log.txt

The number of iteration: 1 

The solution track:
[ 45. 315.]  # The position (central angle) of bottom endpoints for the two straps
[180. 180.]  # The position (central angle) of top endpoints for the two straps
[19.71894809 21.08306359]  # The start angles of the waves for the two straps
[380. 200.]  # The element numbers for the two straps

The gradient track:
[132.0005087571335, 385.52460138310744]  # The derivative (gradient) of bottom endpoint position for the two straps
[87.16703264590797, 61.1570350090542]  # The derivative (gradient) of top endpoint position for the two straps
[218.2860095968499, 317.11770725425595]  # The derivative (gradient) of the start wave angles for the two straps
[208.227451435685, 106.35139749463087]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.96578471, 22.10849653, 26.92602884, 10.11281315]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8951236273849198, 18.069690679875638]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-527.22500083 -395.47098249] # The strap force differences for DL_0 degree for the two straps
[-285.09117078 -387.54259259] # The strap force differences for DL_45 degree for the two straps
[-728.78347468 -186.24766289] # The strap force differences for walk for the two straps
[ 540.5385027  -375.66722074] # The strap force differences for running for the two straps

The cost function track:  6746.166621744314

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 44.83349967 314.51371419]
 [179.89005088 179.92285888]
 [ 19.44361057  20.68306359]
 [379.73734995 199.86585246]]
#####################################################################################################
The number of iteration: 2 

The solution track:
[ 45.         314.51371419]  # The position (central angle) of bottom endpoints for the two straps
[179.89005088 180.        ]  # The position (central angle) of top endpoints for the two straps
[19.44361057 20.68306359]  # The start angles of the waves for the two straps
[380. 200.]  # The element numbers for the two straps

The gradient track:
[107.91687438315694, -145.80312749937093]  # The derivative (gradient) of bottom endpoint position for the two straps
[47.9150830299277, -225.54920235918235]  # The derivative (gradient) of top endpoint position for the two straps
[-31.6737976712584, 120.93816155271361]  # The derivative (gradient) of the start wave angles for the two straps
[128.98784852494464, 174.90219635374433]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.82703515, 21.80804816, 26.92741629, 10.17035225]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8333510908053353, 18.926702681758798]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-502.55236145 -396.99171719] # The strap force differences for DL_0 degree for the two straps
[-267.16570437 -388.7084455 ] # The strap force differences for DL_45 degree for the two straps
[-718.51999826 -148.72725186] # The strap force differences for walk for the two straps
[ 651.63589187 -371.55827859] # The strap force differences for running for the two straps

The cost function track:  7837.716867745193

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 44.64306759 314.99595446]
 [179.73157292 180.74599845]
 [ 19.54837088  20.28306359]
 [379.57337586 199.42151528]]
#####################################################################################################
The number of iteration: 3 

The solution track:
[ 45.         314.99595446]  # The position (central angle) of bottom endpoints for the two straps
[179.73157292 180.74599845]  # The position (central angle) of top endpoints for the two straps
[19.54837088 20.28306359]  # The start angles of the waves for the two straps
[380. 199.]  # The element numbers for the two straps

The gradient track:
[-357.2277771703293, -131.31627209779163]  # The derivative (gradient) of bottom endpoint position for the two straps
[-289.7247116390736, -27.467009427015]  # The derivative (gradient) of top endpoint position for the two straps
[-533.2218851105554, -32.70195467089616]  # The derivative (gradient) of the start wave angles for the two straps
[-521.154339049026, -550.1216761810447]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.88277808, 21.92447083, 26.92658149, 10.15689268]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8492940029992878, 18.261122189849374]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-508.84083684 -396.27205609] # The strap force differences for DL_0 degree for the two straps
[-270.51540922 -387.55470827] # The strap force differences for DL_45 degree for the two straps
[-719.7246819  -102.41366627] # The strap force differences for walk for the two straps
[ 647.49491071 -368.5986389 ] # The strap force differences for running for the two straps

The cost function track:  7800.279018618143

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.26797683 315.09446225]
 [179.94891187 180.76660301]
 [ 19.94837088  20.30759518]
 [380.39094745 199.41267749]]
#####################################################################################################
The number of iteration: 4 

The solution track:
[ 45.26797683 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[179.94891187 180.76660301]  # The position (central angle) of top endpoints for the two straps
[19.94837088 20.30759518]  # The start angles of the waves for the two straps
[380. 199.]  # The element numbers for the two straps

The gradient track:
[150.63082195281459, -1.555355711782795]  # The derivative (gradient) of bottom endpoint position for the two straps
[-80.56047474204115, -88.41243478211072]  # The derivative (gradient) of top endpoint position for the two straps
[-167.94179150944638, -65.1953155572819]  # The derivative (gradient) of the start wave angles for the two straps
[-23.379478465391912, 41.33365205152313]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.02886029, 22.30412249, 26.92884056, 10.08415347]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8895140178500645, 16.926521811280733]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-536.26829837 -396.2275988 ] # The strap force differences for DL_0 degree for the two straps
[-291.90919475 -387.56874177] # The strap force differences for DL_45 degree for the two straps
[-730.12964917 -100.69531493] # The strap force differences for walk for the two straps
[ 506.00685567 -367.24692881] # The strap force differences for running for the two straps

The cost function track:  6420.646197751937

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 44.90920771 315.00370451]
 [180.140789   180.97718177]
 [ 20.34837088  20.46287593]
 [380.05568472 198.90155243]]
#####################################################################################################
The number of iteration: 5 

The solution track:
[ 45. 315.]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.97718177]  # The position (central angle) of top endpoints for the two straps
[20.34837088 20.46287593]  # The start angles of the waves for the two straps
[380. 199.]  # The element numbers for the two straps

The gradient track:
[269.04745910782276, 318.2604003595188]  # The derivative (gradient) of bottom endpoint position for the two straps
[247.74430986541574, 56.33085089712131]  # The derivative (gradient) of top endpoint position for the two straps
[-117.9831778764883, 328.41386698741735]  # The derivative (gradient) of the start wave angles for the two straps
[67.71291687684607, 271.60420471529596]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.26591306, 22.79745824, 26.92560056, 10.00313664]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8061953294594597, 15.36695192989469]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-562.71128587 -396.05042057] # The strap force differences for DL_0 degree for the two straps
[-306.98205587 -387.57219952] # The strap force differences for DL_45 degree for the two straps
[-727.11870859 -127.23132344] # The strap force differences for walk for the two straps
[ 402.86954061 -367.38666821] # The strap force differences for running for the two straps

The cost function track:  5446.79162864993

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 44.67230682 314.61236667]
 [179.69825353 180.90857218]
 [ 20.49207148  20.06287593]
 [379.91752734 198.66919277]]
#####################################################################################################
The number of iteration: 6 

The solution track:
[ 45.         314.61236667]  # The position (central angle) of bottom endpoints for the two straps
[179.69825353 180.90857218]  # The position (central angle) of top endpoints for the two straps
[20.49207148 20.06287593]  # The start angles of the waves for the two straps
[380. 199.]  # The element numbers for the two straps

The gradient track:
[-216.93525705390493, -105.08874272236153]  # The derivative (gradient) of bottom endpoint position for the two straps
[-219.97712131461412, -125.14609416034273]  # The derivative (gradient) of top endpoint position for the two straps
[-84.47701380299804, -156.79573052512842]  # The derivative (gradient) of the start wave angles for the two straps
[29.44080303514056, -157.27752988030625]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.33345964, 22.95035372, 26.92600561, 9.98597495]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8224662957168114, 15.265772427106905]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-571.30111017 -397.36922148] # The strap force differences for DL_0 degree for the two straps
[-312.73852928 -388.53864182] # The strap force differences for DL_45 degree for the two straps
[-728.79250483  -77.68647644] # The strap force differences for walk for the two straps
[ 395.51811106 -368.33622931] # The strap force differences for running for the two straps

The cost function track:  5391.048231483199

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.55342134 314.8804575 ]
 [180.25943494 181.22783111]
 [ 20.70757993  20.46287593]
 [379.92489387 199.40122911]]
#####################################################################################################
The number of iteration: 7 

The solution track:
[ 45.55342134 314.8804575 ]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.22783111]  # The position (central angle) of top endpoints for the two straps
[20.70757993 20.46287593]  # The start angles of the waves for the two straps
[380. 199.]  # The element numbers for the two straps

The gradient track:
[197.71164178627987, 231.16986311820438]  # The derivative (gradient) of bottom endpoint position for the two straps
[272.6588335953529, 249.5652992473715]  # The derivative (gradient) of top endpoint position for the two straps
[77.05720663587545, 306.8687859142665]  # The derivative (gradient) of the start wave angles for the two straps
[535.8426010490093, 295.7353504971652]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.33300898, 23.06298742, 26.93334178, 9.95337303]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.7793301197741105, 14.645945305691516]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-574.08380371 -396.4226128 ] # The strap force differences for DL_0 degree for the two straps
[-319.27529738 -387.96371764] # The strap force differences for DL_45 degree for the two straps
[-729.24394414 -119.12273334] # The strap force differences for walk for the two straps
[ 309.90380762 -367.35720899] # The strap force differences for running for the two straps

The cost function track:  4543.329060053949

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.29570644 314.57913019]
 [179.64459229 180.90252556]
 [ 20.60713673  20.06287593]
 [379.30153522 198.61451231]]
#####################################################################################################
The number of iteration: 8 

The solution track:
[ 45.29570644 314.57913019]  # The position (central angle) of bottom endpoints for the two straps
[179.64459229 180.90252556]  # The position (central angle) of top endpoints for the two straps
[20.60713673 20.06287593]  # The start angles of the waves for the two straps
[379. 199.]  # The element numbers for the two straps

The gradient track:
[65.2012025385111, -197.5480812192527]  # The derivative (gradient) of bottom endpoint position for the two straps
[-13.62215041429954, -29.197964310141288]  # The derivative (gradient) of top endpoint position for the two straps
[-357.12016570367996, -55.10012840642412]  # The derivative (gradient) of the start wave angles for the two straps
[-112.86642787928213, -370.36189482094414]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.33905889, 23.01518839, 26.92814948, 9.97143619]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8519415509901118, 15.064333605478794]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-571.44212759 -397.39685123] # The strap force differences for DL_0 degree for the two straps
[-314.68428195 -388.57930534] # The strap force differences for DL_45 degree for the two straps
[-726.94561466  -84.28319373] # The strap force differences for walk for the two straps
[ 369.94295085 -367.47352052] # The strap force differences for running for the two straps

The cost function track:  5140.819813317245

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.22267646 314.8003981 ]
 [179.65985006 180.93522936]
 [ 21.00713673  20.12459199]
 [379.12641843 199.41483168]]
#####################################################################################################
The number of iteration: 9 

The solution track:
[ 45.22267646 314.8003981 ]  # The position (central angle) of bottom endpoints for the two straps
[179.65985006 180.93522936]  # The position (central angle) of top endpoints for the two straps
[21.00713673 20.12459199]  # The start angles of the waves for the two straps
[379. 199.]  # The element numbers for the two straps

The gradient track:
[266.46149299949684, 18.655106761657407]  # The derivative (gradient) of bottom endpoint position for the two straps
[45.439094832679984, 98.42957521231347]  # The derivative (gradient) of top endpoint position for the two straps
[-68.77505764877787, 29.553784572945005]  # The derivative (gradient) of the start wave angles for the two straps
[-8.24907721841737, -275.5504660489132]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.52169274, 23.45061061, 26.92580724, 9.90416656]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9083044829209255, 14.141759529176735]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-591.67608306 -397.05320113] # The strap force differences for DL_0 degree for the two straps
[-331.47108839 -388.32071315] # The strap force differences for DL_45 degree for the two straps
[-727.19110335  -80.27986616] # The strap force differences for walk for the two straps
[ 277.61980164 -367.31287922] # The strap force differences for running for the two straps

The cost function track:  4266.784651769009

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 43.67291989 314.69189884]
 [179.39557347 180.36275685]
 [ 21.40713673  19.95270535]
 [379.04797714 200.6026186 ]]
#####################################################################################################
The number of iteration: 10 

The solution track:
[ 45.         314.69189884]  # The position (central angle) of bottom endpoints for the two straps
[179.39557347 180.36275685]  # The position (central angle) of top endpoints for the two straps
[21.40713673 19.95270535]  # The start angles of the waves for the two straps
[379. 201.]  # The element numbers for the two straps

The gradient track:
[-235.36663900752592, 56.312783020472125]  # The derivative (gradient) of bottom endpoint position for the two straps
[-59.940715540979454, 15.423266475864693]  # The derivative (gradient) of top endpoint position for the two straps
[-295.1190975341924, 71.44919136827411]  # The derivative (gradient) of the start wave angles for the two straps
[-358.0037180072486, -284.39614548204736]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.71359575, 23.89023429, 26.91749948, 9.84172495]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.8319617483433236, 13.737725402706037]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-610.79921066 -401.00053333] # The strap force differences for DL_0 degree for the two straps
[-351.12006495 -392.10742543] # The strap force differences for DL_45 degree for the two straps
[-725.80996656  -70.100222  ] # The strap force differences for walk for the two straps
[ 208.93330329 -371.35329667] # The strap force differences for running for the two straps

The cost function track:  3630.612953247918

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.31901241 314.61557334]
 [179.47681622 180.34185238]
 [ 21.80713673  19.85586418]
 [379.48523287 201.38546627]]
#####################################################################################################
The number of iteration: 11 

The solution track:
[ 45.31901241 314.61557334]  # The position (central angle) of bottom endpoints for the two straps
[179.47681622 180.34185238]  # The position (central angle) of top endpoints for the two straps
[21.8        19.85586418]  # The start angles of the waves for the two straps
[379. 201.]  # The element numbers for the two straps

The gradient track:
[-212.74577292331196, 172.31988419658046]  # The derivative (gradient) of bottom endpoint position for the two straps
[-425.7123455021915, 155.98470929951327]  # The derivative (gradient) of top endpoint position for the two straps
[-332.6334243662177, 158.3184614976135]  # The derivative (gradient) of the start wave angles for the two straps
[-301.0370201898231, 133.96407701713179]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.81103588, 24.20594173, 26.91501623, 9.78920901]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0365463082630573, 13.014459358228741]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-620.89235209 -401.29639115] # The strap force differences for DL_0 degree for the two straps
[-369.85922872 -392.34945656] # The strap force differences for DL_45 degree for the two straps
[-735.51190394  -55.81420451] # The strap force differences for walk for the two straps
[ 133.93669078 -371.93549262] # The strap force differences for running for the two straps

The cost function track:  2913.593099893529

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.57484452 314.40835438]
 [179.98874595 180.15427687]
 [ 22.2         19.66548228]
 [379.36200453 200.83890485]]
#####################################################################################################
The number of iteration: 12 

The solution track:
[ 45.57484452 314.40835438]  # The position (central angle) of bottom endpoints for the two straps
[179.98874595 180.15427687]  # The position (central angle) of top endpoints for the two straps
[21.8        19.66548228]  # The start angles of the waves for the two straps
[379. 201.]  # The element numbers for the two straps

The gradient track:
[153.70951497082024, 190.50008598424483]  # The derivative (gradient) of bottom endpoint position for the two straps
[448.2932128581683, 175.07742003516069]  # The derivative (gradient) of top endpoint position for the two straps
[17.437236452264187, 6.7044491710116745]  # The derivative (gradient) of the start wave angles for the two straps
[257.390724539247, 200.94106472841213]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.77342965, 24.16789897, 26.9198599, 9.79390293]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9500255080989464, 12.638967034698313]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-626.98740647 -401.78442091] # The strap force differences for DL_0 degree for the two straps
[-377.5001969  -392.66760684] # The strap force differences for DL_45 degree for the two straps
[-734.95425157  -34.53138884] # The strap force differences for walk for the two straps
[  86.08935739 -370.64213557] # The strap force differences for running for the two straps

The cost function track:  2428.530184615207

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 44.88909015 313.55846381]
 [177.98874595 179.37319246]
 [ 21.72220611  19.63557128]
 [377.85168583 200.10352841]]
#####################################################################################################
The number of iteration: 13 

The solution track:
[ 45.         313.55846381]  # The position (central angle) of bottom endpoints for the two straps
[177.98874595 180.        ]  # The position (central angle) of top endpoints for the two straps
[21.72220611 19.63557128]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-145.79775880245143, -7.507076494333887]  # The derivative (gradient) of bottom endpoint position for the two straps
[-223.32771895370843, 30.557606442541328]  # The derivative (gradient) of top endpoint position for the two straps
[-310.1997194962587, -31.949283668574935]  # The derivative (gradient) of the start wave angles for the two straps
[-371.9572734061694, 17.01161958866578]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.83975349, 24.17748237, 26.90910833, 9.80249109]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.130403627907497, 12.641867593014878]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-622.64122433 -395.56619217] # The strap force differences for DL_0 degree for the two straps
[-366.60867284 -386.54257544] # The strap force differences for DL_45 degree for the two straps
[-725.49913992  -29.87206813] # The strap force differences for walk for the two straps
[ 193.00040784 -366.06898699] # The strap force differences for running for the two straps

The cost function track:  3503.952454319202

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.18800502 313.56814413]
 [178.27672521 179.96059622]
 [ 22.12220611  19.67676962]
 [378.47963586 199.97806366]]
#####################################################################################################
The number of iteration: 14 

The solution track:
[ 45.18800502 313.56814413]  # The position (central angle) of bottom endpoints for the two straps
[178.27672521 180.        ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.67676962]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-428.39557028575655, -230.63871749960344]  # The derivative (gradient) of bottom endpoint position for the two straps
[-216.9720451571875, -142.44784383081424]  # The derivative (gradient) of top endpoint position for the two straps
[-509.50741981242345, -16.32377030954649]  # The derivative (gradient) of the start wave angles for the two straps
[60.78648211276504, -3.6526861084139455]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.8394958, 24.21970337, 26.9103101, 9.79328065]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9567871154576227, 12.710921336378727]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-622.79564998 -395.45765552] # The strap force differences for DL_0 degree for the two straps
[-369.69886173 -386.48551937] # The strap force differences for DL_45 degree for the two straps
[-725.34142696  -33.50479193] # The strap force differences for walk for the two straps
[ 149.23649029 -366.60861481] # The strap force differences for running for the two straps

The cost function track:  3069.607744124769

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.52432638 313.74921212]
 [178.44706389 180.11183181]
 [ 22.2         19.68958495]
 [377.95227824 200.00286762]]
#####################################################################################################
The number of iteration: 15 

The solution track:
[ 45.52432638 313.74921212]  # The position (central angle) of bottom endpoints for the two straps
[178.44706389 180.11183181]  # The position (central angle) of top endpoints for the two straps
[21.8        19.68958495]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-8.534175690446318, -72.37201005884162]  # The derivative (gradient) of bottom endpoint position for the two straps
[16.02566804512071, 133.39450169768315]  # The derivative (gradient) of top endpoint position for the two straps
[-389.11077536123184, 145.09685724414976]  # The derivative (gradient) of the start wave angles for the two straps
[210.46432106814746, 146.9879652049476]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.79357466, 24.15975347, 26.91612222, 9.7973564]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.049654196862532, 13.045762148833838]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-619.61577806 -395.35607656] # The strap force differences for DL_0 degree for the two straps
[-367.7996419  -386.36751676] # The strap force differences for DL_45 degree for the two straps
[-725.68306769  -36.22388708] # The strap force differences for walk for the two straps
[ 136.16547115 -370.62445429] # The strap force differences for running for the two straps

The cost function track:  2930.7497064255203

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.53309938 313.82360945]
 [178.43058974 179.97470428]
 [ 22.2         19.54042758]
 [377.78364586 199.84889859]]
#####################################################################################################
The number of iteration: 16 

The solution track:
[ 45.53309938 313.82360945]  # The position (central angle) of bottom endpoints for the two straps
[178.43058974 180.        ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.54042758]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-153.99045946074966, -57.31291791134208]  # The derivative (gradient) of bottom endpoint position for the two straps
[-337.38387794231403, 24.417343212041487]  # The derivative (gradient) of top endpoint position for the two straps
[-642.5898677693503, 27.44493001648152]  # The derivative (gradient) of the start wave angles for the two straps
[-117.70776847874686, 15.264026491973254]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.79255825, 24.15942349, 26.91621546, 9.79979781]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9925771927441221, 12.333293910401732]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-619.6078281 -395.525856 ] # The strap force differences for DL_0 degree for the two straps
[-367.84565682 -386.37703907] # The strap force differences for DL_45 degree for the two straps
[-725.85414269  -23.29781663] # The strap force differences for walk for the two straps
[ 163.58727264 -365.90810669] # The strap force differences for running for the two straps

The cost function track:  3204.08911846275

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.62895552 313.85928566]
 [178.6406048  179.98480067]
 [ 22.2         19.52334363]
 [378.07327085 199.99049843]]
#####################################################################################################
The number of iteration: 17 

The solution track:
[ 45.62895552 313.85928566]  # The position (central angle) of bottom endpoints for the two straps
[178.6406048 180.       ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.52334363]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-12.305778817292094, -86.45154876327933]  # The derivative (gradient) of bottom endpoint position for the two straps
[-291.071974628755, -8.223187244854898]  # The derivative (gradient) of top endpoint position for the two straps
[-428.3277422127969, -8.52545710681079]  # The derivative (gradient) of the start wave angles for the two straps
[88.70806909490466, -30.644020015202614]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.77871558, 24.14495248, 26.91858574, 9.80086186]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9601133042040583, 12.783359667820035]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-618.35210908 -395.53051591] # The strap force differences for DL_0 degree for the two straps
[-367.19046601 -386.35979431] # The strap force differences for DL_45 degree for the two straps
[-725.55138821  -21.20447851] # The strap force differences for walk for the two straps
[ 135.52573186 -364.97787279] # The strap force differences for running for the two straps

The cost function track:  1407.7044596016772

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.64044745 313.94001968]
 [178.91242653 180.00767934]
 [ 22.2         19.53130525]
 [377.9171587  200.02861736]]
#####################################################################################################
The number of iteration: 17 

The solution track:
[ 45.62895552 313.85928566]  # The position (central angle) of bottom endpoints for the two straps
[178.6406048 180.       ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.52334363]  # The start angles of the waves for the two straps
[378. 200.]  # The element numbers for the two straps

The gradient track:
[-12.305778817292094, -86.45154876327933]  # The derivative (gradient) of bottom endpoint position for the two straps
[-291.071974628755, -8.223187244854898]  # The derivative (gradient) of top endpoint position for the two straps
[-428.3277422127969, -8.52545710681079]  # The derivative (gradient) of the start wave angles for the two straps
[88.70806909490466, -30.644020015202614]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.77871558, 24.14495248, 26.91858574, 9.80086186]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9601133042040583, 12.783359667820035]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-618.35210908 -395.53051591] # The strap force differences for DL_0 degree for the two straps
[-367.19046601 -386.35979431] # The strap force differences for DL_45 degree for the two straps
[-725.55138821  -21.20447851] # The strap force differences for walk for the two straps
[ 135.52573186 -364.97787279] # The strap force differences for running for the two straps

The cost function track:  1407.7044596016772

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 45.91364166 315.85928566]
 [180.6406048  180.05650278]
 [ 22.2         19.53130525]
 [376.         200.69089589]]
#####################################################################################################
The number of iteration: 18 

The solution track:
[ 45.91364166 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.05650278]  # The position (central angle) of top endpoints for the two straps
[21.8        19.53130525]  # The start angles of the waves for the two straps
[376. 201.]  # The element numbers for the two straps

The gradient track:
[243.2887231362031, 204.68076650926287]  # The derivative (gradient) of bottom endpoint position for the two straps
[333.52526191796187, 136.57510022316262]  # The derivative (gradient) of top endpoint position for the two straps
[285.7893894551321, 11.263300804376854]  # The derivative (gradient) of the start wave angles for the two straps
[217.11348529715383, 76.14463373001342]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.73893218, 24.12541147, 26.92205842, 9.79957361]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.883325832261022, 12.843454908863531]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-609.33719638 -401.40322524] # The strap force differences for DL_0 degree for the two straps
[-361.37216255 -392.09238496] # The strap force differences for DL_45 degree for the two straps
[-729.78280218  -30.77919983] # The strap force differences for walk for the two straps
[  77.00209947 -368.10314135] # The strap force differences for running for the two straps

The cost function track:  822.3821190857911

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 43.91364166 313.31738386]
 [178.         179.23752373]
 [ 21.4         19.51554077]
 [374.         200.29857297]]
#####################################################################################################
The number of iteration: 17 

The solution track:
[ 45.62895552 313.85928566]  # The position (central angle) of bottom endpoints for the two straps
[178.6406048 180.       ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.52334363]  # The start angles of the waves for the two straps
[380. 200.]  # The element numbers for the two straps

The gradient track:
[13.581428954208604, 11.537322293863326]  # The derivative (gradient) of bottom endpoint position for the two straps
[13.435956647218063, -0.12307661561635541]  # The derivative (gradient) of top endpoint position for the two straps
[10.213345550751683, 1.2095715465991361]  # The derivative (gradient) of the start wave angles for the two straps
[61.378173366547344, 15.695944209979643]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.77001507, 24.13202782, 26.92010629, 9.80160481]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9303153186381874, 12.712032354045459]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-621.91406486 -395.53051215] # The strap force differences for DL_0 degree for the two straps
[-370.56099364 -386.35434949] # The strap force differences for DL_45 degree for the two straps
[-729.48125668  -21.88704352] # The strap force differences for walk for the two straps
[ 110.88930949 -364.69420747] # The strap force differences for running for the two straps

The cost function track:  1079.3154156538712

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 43.62895552 312.16030062]
 [176.6406048  180.01832048]
 [ 21.4         19.47597143]
 [378.         199.48854965]]
#####################################################################################################
The number of iteration: 18 

The solution track:
[ 45.         312.16030062]  # The position (central angle) of bottom endpoints for the two straps
[176.6406048  180.01832048]  # The position (central angle) of top endpoints for the two straps
[21.4        19.47597143]  # The start angles of the waves for the two straps
[378. 199.]  # The element numbers for the two straps

The gradient track:
[-40.122792401401966, -9.387471532807012]  # The derivative (gradient) of bottom endpoint position for the two straps
[-27.58072678096164, 3.64421052144462]  # The derivative (gradient) of top endpoint position for the two straps
[-17.115192207260407, 4.084724232314102]  # The derivative (gradient) of the start wave angles for the two straps
[-17.512291720006033, 7.651979376784766]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.73534767, 23.85353456, 26.91425015, 9.85783698]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.078889152262628, 14.55479721554225]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-615.04612913 -395.39102639] # The strap force differences for DL_0 degree for the two straps
[-351.33571055 -386.33180748] # The strap force differences for DL_45 degree for the two straps
[-728.21721533   -4.37172597] # The strap force differences for walk for the two straps
[ 250.54415236 -365.69557834] # The strap force differences for running for the two straps

The cost function track:  1208.0920101595975

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 47.         312.62823772]
 [178.6406048  179.75406273]
 [ 21.8         19.38050714]
 [380.         198.12610188]]
#####################################################################################################
The number of iteration: 19 

The solution track:
[ 47.         312.62823772]  # The position (central angle) of bottom endpoints for the two straps
[178.6406048 180.       ]  # The position (central angle) of top endpoints for the two straps
[21.8        19.38050714]  # The start angles of the waves for the two straps
[380. 198.]  # The element numbers for the two straps

The gradient track:
[-39.87023437023822, -4.026275445102556]  # The derivative (gradient) of bottom endpoint position for the two straps
[-35.53115961421099, -11.269955645875598]  # The derivative (gradient) of top endpoint position for the two straps
[-32.14015310315631, 1.465454828864722]  # The derivative (gradient) of the start wave angles for the two straps
[-40.71645506680102, 1.5444989585055282]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.57506535, 23.87807064, 26.94231697, 9.82399671]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.1212475804907092, 12.214995160226406]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-609.15840838 -393.14240179] # The strap force differences for DL_0 degree for the two straps
[-364.17252009 -384.0016187 ] # The strap force differences for DL_45 degree for the two straps
[-732.7543706    -2.68757974] # The strap force differences for walk for the two straps
[ 131.91550809 -364.42295843] # The strap force differences for running for the two straps

The cost function track:  1081.6103264210321

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 49.         312.83020671]
 [180.6406048  180.63437027]
 [ 22.2         19.36226884]
 [382.         197.92413392]]
#####################################################################################################
The number of iteration: 20 

The solution track:
[ 49.         312.83020671]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.63437027]  # The position (central angle) of top endpoints for the two straps
[21.8        19.36226884]  # The start angles of the waves for the two straps
[382. 198.]  # The element numbers for the two straps

The gradient track:
[-14.685898878826379, -15.928926012917486]  # The derivative (gradient) of bottom endpoint position for the two straps
[-17.306164820761637, 1.1112076441136196]  # The derivative (gradient) of top endpoint position for the two straps
[-38.768354726759526, -16.957583142105477]  # The derivative (gradient) of the start wave angles for the two straps
[-13.710479944835583, 4.128891285329587]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.244689, 23.50900784, 26.97634653, 9.85036128]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.1051794155320596, 12.789596283328743]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-587.60734659 -393.61241238] # The strap force differences for DL_0 degree for the two straps
[-358.07299124 -384.35989815] # The strap force differences for DL_45 degree for the two straps
[-740.26294969    6.36687403] # The strap force differences for walk for the two straps
[  61.72440124 -363.31300189] # The strap force differences for running for the two straps

The cost function track:  989.6876214062792

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 50.84392832 314.83020671]
 [182.         180.50595272]
 [ 22.2         19.53723198]
 [384.         197.39770288]]
#####################################################################################################
The number of iteration: 21 

The solution track:
[ 50.84392832 314.83020671]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.50595272]  # The position (central angle) of top endpoints for the two straps
[21.8        19.53723198]  # The start angles of the waves for the two straps
[384. 197.]  # The element numbers for the two straps

The gradient track:
[22.306509345875156, -1.1506013797649075]  # The derivative (gradient) of bottom endpoint position for the two straps
[-1.2173786911080242, -1.5711188188989809]  # The derivative (gradient) of top endpoint position for the two straps
[18.791231158143887, -0.5853073701620133]  # The derivative (gradient) of the start wave angles for the two straps
[27.2313568280332, -0.7969782782585071]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.92136441, 23.13820456, 27.00640465, 9.875946]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0123123583240456, 12.895677079778624]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-557.90881418 -389.09833683] # The strap force differences for DL_0 degree for the two straps
[-344.94844689 -379.8674582 ] # The strap force differences for DL_45 degree for the two straps
[-749.05189251  -21.14905757] # The strap force differences for walk for the two straps
[  -3.70299475 -361.68442076] # The strap force differences for running for the two straps

The cost function track:  893.1603172081027

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 48.84392832 314.93336954]
 [181.54969653 182.50595272]
 [ 21.4         19.54969114]
 [382.         197.05853386]]
#####################################################################################################
The number of iteration: 22 

The solution track:
[ 48.84392832 314.93336954]  # The position (central angle) of bottom endpoints for the two straps
[180.         182.50595272]  # The position (central angle) of top endpoints for the two straps
[21.4        19.54969114]  # The start angles of the waves for the two straps
[382. 197.]  # The element numbers for the two straps

The gradient track:
[-31.37460816052362, 2.314707648018384]  # The derivative (gradient) of bottom endpoint position for the two straps
[-12.847185026082116, 20.157873355364927]  # The derivative (gradient) of top endpoint position for the two straps
[-21.286259069807215, 19.840484649768996]  # The derivative (gradient) of the start wave angles for the two straps
[-2.1229753709219494, 20.63975123560749]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[38.0838118, 23.11691731, 26.97906435, 9.90855636]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9992193448864931, 13.498553937131561]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-569.37835513 -390.93827443] # The strap force differences for DL_0 degree for the two straps
[-340.2306762  -381.52897944] # The strap force differences for DL_45 degree for the two straps
[-740.99302101  -12.30576694] # The strap force differences for walk for the two straps
[ 143.86337422 -357.26328945] # The strap force differences for running for the two straps

The cost function track:  1043.3810410162812

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 50.84392832 314.78581662]
 [181.27465679 180.50595272]
 [ 21.8         19.17685936]
 [382.20571715 195.        ]]
#####################################################################################################
The number of iteration: 23 

The solution track:
[ 50.84392832 314.78581662]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.50595272]  # The position (central angle) of top endpoints for the two straps
[21.8        19.17685936]  # The start angles of the waves for the two straps
[382. 195.]  # The element numbers for the two straps

The gradient track:
[-8.054171367878212, -1.319461598962448]  # The derivative (gradient) of bottom endpoint position for the two straps
[-9.479262204776433, 3.376005995321293]  # The derivative (gradient) of top endpoint position for the two straps
[6.169113638933709, -20.10831597972981]  # The derivative (gradient) of the start wave angles for the two straps
[14.311674979594045, 1.4385256280877456]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.93136453, 23.15353341, 27.00380367, 9.87945273]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0830779083602762, 11.255638064875107]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-554.24093515 -386.01966038] # The strap force differences for DL_0 degree for the two straps
[-341.56889062 -376.47330391] # The strap force differences for DL_45 degree for the two straps
[-744.98153479   12.95346516] # The strap force differences for walk for the two straps
[  11.85926153 -351.52008616] # The strap force differences for running for the two straps

The cost function track:  917.4022582085327

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 52.84392832 315.11346338]
 [182.         179.79365973]
 [ 21.67728234  19.57685936]
 [380.         194.79897173]]
#####################################################################################################
The number of iteration: 24 

The solution track:
[ 52.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180. 180.]  # The position (central angle) of top endpoints for the two straps
[21.67728234 19.57685936]  # The start angles of the waves for the two straps
[380. 195.]  # The element numbers for the two straps

The gradient track:
[-22.171644325575812, 3.2005767339894646]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.5061972004518793, -14.202640827108212]  # The derivative (gradient) of top endpoint position for the two straps
[-12.507151105063144, -1.632148642480729]  # The derivative (gradient) of the start wave angles for the two straps
[-16.289812986682023, 2.282278151997275]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.50050102, 22.62934733, 27.03375035, 9.91785548]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9989841100990917, 11.881272481300238]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-516.08780459 -389.25828324] # The strap force differences for DL_0 degree for the two straps
[-326.42161737 -380.16050718] # The strap force differences for DL_45 degree for the two straps
[-736.71402746  -36.33820933] # The strap force differences for walk for the two straps
[  19.53966325 -358.62659233] # The strap force differences for running for the two straps

The cost function track:  873.4937021958864

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 54.84392832 314.71129099]
 [180.07128212 182.        ]
 [ 22.07728234  19.62905825]
 [382.         194.71979075]]
#####################################################################################################
The number of iteration: 25 

The solution track:
[ 54.84392832 314.71129099]  # The position (central angle) of bottom endpoints for the two straps
[180. 182.]  # The position (central angle) of top endpoints for the two straps
[21.8        19.62905825]  # The start angles of the waves for the two straps
[382. 195.]  # The element numbers for the two straps

The gradient track:
[-8.762790410394928, -1.3007255364121875]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.1467319235780451, -0.07413738413492865]  # The derivative (gradient) of top endpoint position for the two straps
[7.071524249226172, -0.2092182459873584]  # The derivative (gradient) of the start wave angles for the two straps
[-1.1666499048741343, -1.3663785853514128]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[37.15627863, 22.35763058, 27.06958789, 9.92988209]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9219253234134701, 12.464497302706896]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-499.49343647 -386.50889023] # The strap force differences for DL_0 degree for the two straps
[-328.86665681 -377.33380899] # The strap force differences for DL_45 degree for the two straps
[-745.49463968  -20.13456785] # The strap force differences for walk for the two straps
[ -72.58513455 -353.92643177] # The strap force differences for running for the two straps

The cost function track:  829.2267002361205

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 56.84392832 315.00816572]
 [178.         183.01051472]
 [ 21.4         19.64089266]
 [383.7076525  197.        ]]
#####################################################################################################
The number of iteration: 26 

The solution track:
[ 56.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[178.         183.01051472]  # The position (central angle) of top endpoints for the two straps
[21.4        19.64089266]  # The start angles of the waves for the two straps
[384. 197.]  # The element numbers for the two straps

The gradient track:
[-6.810773863718282, -0.5649109241418273]  # The derivative (gradient) of bottom endpoint position for the two straps
[-1.0355036791492012, 0.8661713143173984]  # The derivative (gradient) of top endpoint position for the two straps
[7.158274485804668, -0.46234108768703663]  # The derivative (gradient) of the start wave angles for the two straps
[-0.7826322378547275, 0.2346502460429747]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[36.43717675, 21.43725428, 27.1345852, 10.03689237]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9779053481321416, 13.869254168521616]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-450.91133046 -391.15410977] # The strap force differences for DL_0 degree for the two straps
[-303.97096883 -381.72655217] # The strap force differences for DL_45 degree for the two straps
[-748.15118495  -23.63553106] # The strap force differences for walk for the two straps
[  -0.48519849 -357.80348211] # The strap force differences for running for the two straps

The cost function track:  763.5088317466538

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 58.84392832 315.16588744]
 [180.         181.33756786]
 [ 21.          19.666728  ]
 [386.         196.4003563 ]]
#####################################################################################################
The number of iteration: 27 

The solution track:
[ 58.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.33756786]  # The position (central angle) of top endpoints for the two straps
[21.       19.666728]  # The start angles of the waves for the two straps
[386. 196.]  # The element numbers for the two straps

The gradient track:
[-10.825130599659133, -0.5763330861565237]  # The derivative (gradient) of bottom endpoint position for the two straps
[4.107927056501012, -0.8296130980008911]  # The derivative (gradient) of top endpoint position for the two straps
[7.573409970848388, -0.39181045232919587]  # The derivative (gradient) of the start wave angles for the two straps
[25.334103832244864, -0.930963249081401]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[35.55926352, 20.58145462, 27.23003968, 10.10838089]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9851984612998737, 14.81766759834312]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-398.56491409 -387.46752383] # The strap force differences for DL_0 degree for the two straps
[-277.46751863 -378.21028871] # The strap force differences for DL_45 degree for the two straps
[-753.55219474  -34.62305629] # The strap force differences for walk for the two straps
[  -9.22638398 -360.53302806] # The strap force differences for running for the two straps

The cost function track:  693.392309799643

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 60.84392832 315.10648058]
 [178.         181.74147625]
 [ 20.6         19.687422  ]
 [384.         196.07349486]]
#####################################################################################################
The number of iteration: 28 

The solution track:
[ 60.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[178.         181.74147625]  # The position (central angle) of top endpoints for the two straps
[20.6      19.687422]  # The start angles of the waves for the two straps
[384. 196.]  # The element numbers for the two straps

The gradient track:
[-52.00275798093958, -6.043750444461125]  # The derivative (gradient) of bottom endpoint position for the two straps
[-44.5331581616457, 0.6104892235454145]  # The derivative (gradient) of top endpoint position for the two straps
[-31.856545083482843, -4.164245423584362]  # The derivative (gradient) of the start wave angles for the two straps
[-19.217876803348418, 2.2916393524351406]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[34.62824715, 19.70148775, 27.35006213, 10.18343852]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9302616777183548, 15.554565208500161]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-362.35625073 -387.81468423] # The strap force differences for DL_0 degree for the two straps
[-261.14029701 -378.500194  ] # The strap force differences for DL_45 degree for the two straps
[-747.53891965  -34.65585037] # The strap force differences for walk for the two straps
[  78.76620483 -355.7934108 ] # The strap force differences for running for the two straps

The cost function track:  710.5106526114436

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 62.84392832 315.23243961]
 [180.         181.71405896]
 [ 21.          19.73970947]
 [386.         195.76150962]]
#####################################################################################################
The number of iteration: 29 

The solution track:
[ 62.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.71405896]  # The position (central angle) of top endpoints for the two straps
[21.         19.73970947]  # The start angles of the waves for the two straps
[386. 196.]  # The element numbers for the two straps

The gradient track:
[-6.69562503374334, -0.7401975266581076]  # The derivative (gradient) of bottom endpoint position for the two straps
[-2.100946284842962, 0.6741181656916524]  # The derivative (gradient) of top endpoint position for the two straps
[2.8597064610170264, -0.7018735360675237]  # The derivative (gradient) of the start wave angles for the two straps
[0.6866218866206282, 0.26630663743412697]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[34.34925812, 19.80863189, 27.39108118, 10.13386722]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9836441082120526, 14.756951490401102]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-359.52040908 -387.6645959 ] # The strap force differences for DL_0 degree for the two straps
[-270.25449956 -378.46626198] # The strap force differences for DL_45 degree for the two straps
[-748.73370881  -44.27383588] # The strap force differences for walk for the two straps
[-106.4002925 -355.3792191] # The strap force differences for running for the two straps

The cost function track:  619.6888104086132

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 64.84392832 315.22109886]
 [182.         181.07233083]
 [ 20.6         19.83788368]
 [384.         195.22429901]]
#####################################################################################################
The number of iteration: 30 

The solution track:
[ 64.84392832 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.07233083]  # The position (central angle) of top endpoints for the two straps
[20.6        19.83788368]  # The start angles of the waves for the two straps
[384. 195.]  # The element numbers for the two straps

The gradient track:
[-7.600390301844186, 1.3624441386347144]  # The derivative (gradient) of bottom endpoint position for the two straps
[-1.4889602313049863, 0.31950669653747354]  # The derivative (gradient) of top endpoint position for the two straps
[2.3011726510052313, 0.9395614882558903]  # The derivative (gradient) of the start wave angles for the two straps
[-2.9525137570701645, 1.4225990308408427]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[33.22020017, 18.98362956, 27.53355067, 10.18223921]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[0.9676070545725761, 16.087673002082557]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-313.46495629 -389.69832252] # The strap force differences for DL_0 degree for the two straps
[-242.3560908  -380.67717841] # The strap force differences for DL_45 degree for the two straps
[-739.03055779  -45.00250752] # The strap force differences for walk for the two straps
[ -58.18286124 -359.21208686] # The strap force differences for running for the two straps

The cost function track:  573.857116586655

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 66.84392832 314.64148048]
 [182.         180.64316329]
 [ 20.2         19.67456495]
 [386.         194.03634723]]
#####################################################################################################
The number of iteration: 31 

The solution track:
[ 66.84392832 314.64148048]  # The position (central angle) of bottom endpoints for the two straps
[180.         180.64316329]  # The position (central angle) of top endpoints for the two straps
[20.2        19.67456495]  # The start angles of the waves for the two straps
[386. 194.]  # The element numbers for the two straps

The gradient track:
[-8.666996462932957, -0.009664516395901046]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.7999076067071655, -0.34228873100119017]  # The derivative (gradient) of top endpoint position for the two straps
[3.651282698197292, 0.9198662465186089]  # The derivative (gradient) of the start wave angles for the two straps
[-0.11425802963265141, 1.2824152282333898]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[31.97165427, 18.15076119, 27.68494438, 10.21538151]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0101055563557932, 19.094516859947074]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-287.16971252 -383.17268286] # The strap force differences for DL_0 degree for the two straps
[-232.61206361 -374.05870196] # The strap force differences for DL_45 degree for the two straps
[-745.08886842  -36.00639028] # The strap force differences for walk for the two straps
[ -51.64994266 -359.11725058] # The strap force differences for running for the two straps

The cost function track:  524.8932086763028

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 68.84392832 314.64371067]
 [182.         181.49898396]
 [ 19.8         19.57379311]
 [386.17819194 192.        ]]
#####################################################################################################
The number of iteration: 32 

The solution track:
[ 68.84392832 314.64371067]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.49898396]  # The position (central angle) of top endpoints for the two straps
[19.8        19.57379311]  # The start angles of the waves for the two straps
[386. 192.]  # The element numbers for the two straps

The gradient track:
[-8.26219016135417, 0.08937428131736169]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.9766122174975749, -0.07209257242652711]  # The derivative (gradient) of top endpoint position for the two straps
[5.31847538049243, 0.5942730846849145]  # The derivative (gradient) of the start wave angles for the two straps
[-0.18237547899747142, -1.0816471761697244]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[30.66707843, 17.35323884, 27.82951949, 10.23343303]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0138655552129898, 20.485911492294438]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-250.39237764 -380.27366634] # The strap force differences for DL_0 degree for the two straps
[-210.65662989 -371.05276963] # The strap force differences for DL_45 degree for the two straps
[-737.51944032  -20.09597065] # The strap force differences for walk for the two straps
[ -34.93151757 -349.13590814] # The strap force differences for running for the two straps

The cost function track:  471.9832315175075

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 70.84392832 314.62207614]
 [182.         181.64662203]
 [ 19.4         19.52909811]
 [386.33721806 194.        ]]
#####################################################################################################
The number of iteration: 33 

The solution track:
[ 70.84392832 314.62207614]  # The position (central angle) of bottom endpoints for the two straps
[180.         181.64662203]  # The position (central angle) of top endpoints for the two straps
[19.4        19.52909811]  # The start angles of the waves for the two straps
[386. 194.]  # The element numbers for the two straps

The gradient track:
[-8.501138440083935, 0.054454822343586784]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.07783082094204019, -0.21872124736557907]  # The derivative (gradient) of top endpoint position for the two straps
[5.159183645991618, -0.520779143401569]  # The derivative (gradient) of the start wave angles for the two straps
[-0.20790503290038487, 0.0686722929739858]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[29.33422315, 16.57955532, 27.96357367, 10.23694962]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.058052194470751, 20.927041485827072]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-226.59363392 -384.502871  ] # The strap force differences for DL_0 degree for the two straps
[-200.06765257 -375.12769437] # The strap force differences for DL_45 degree for the two straps
[-738.42122401  -17.37341064] # The strap force differences for walk for the two straps
[ -57.93139156 -351.18702889] # The strap force differences for running for the two straps

The cost function track:  417.0677981502978

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 72.84392832 314.60926496]
 [179.28831038 183.64662203]
 [ 19.          19.56947497]
 [388.         193.33938787]]
#####################################################################################################
The number of iteration: 34 

The solution track:
[ 72.84392832 314.60926496]  # The position (central angle) of bottom endpoints for the two straps
[179.28831038 183.64662203]  # The position (central angle) of top endpoints for the two straps
[19.         19.56947497]  # The start angles of the waves for the two straps
[388. 193.]  # The element numbers for the two straps

The gradient track:
[-9.328404337733673, -0.05101396663400237]  # The derivative (gradient) of bottom endpoint position for the two straps
[-1.7880899179871221, 0.098959618426818]  # The derivative (gradient) of top endpoint position for the two straps
[4.009698927020963, -0.7026600945137034]  # The derivative (gradient) of the start wave angles for the two straps
[-0.9976216332486274, -0.37954957702243064]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[27.99734064, 15.80417363, 28.08374271, 10.22918309]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.0673675736047112, 23.82631662042305]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-199.97425937 -384.37267429] # The strap force differences for DL_0 degree for the two straps
[-184.5474966  -374.92123817] # The strap force differences for DL_45 degree for the two straps
[-734.36583677   -9.7496011 ] # The strap force differences for walk for the two straps
[ -26.5473831 -343.5537025] # The strap force differences for running for the two straps

The cost function track:  364.39882406402785

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['Penetration stretch', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 74.84392832 314.6202023 ]
 [181.28831038 183.53593451]
 [ 18.6         19.63957102]
 [390.         193.76090887]]
#####################################################################################################
The number of iteration: 35 

The solution track:
[ 74.84392832 314.6202023 ]  # The position (central angle) of bottom endpoints for the two straps
[180.         183.53593451]  # The position (central angle) of top endpoints for the two straps
[18.6        19.63957102]  # The start angles of the waves for the two straps
[390. 194.]  # The element numbers for the two straps

The gradient track:
[1.8595188319316094, 41.737224034201006]  # The derivative (gradient) of bottom endpoint position for the two straps
[-12.030790114444244, -8.770166115723327]  # The derivative (gradient) of top endpoint position for the two straps
[-6.330851660437588, 3.094528453850444]  # The derivative (gradient) of the start wave angles for the two straps
[-10.623231457681698, -8.221223164177388]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[26.61877547, 15.06604432, 28.18171198, 10.2065303]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.15850960301534, 26.765281336831123]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-172.83017248 -386.08245802] # The strap force differences for DL_0 degree for the two straps
[-167.66035486 -376.68700065] # The strap force differences for DL_45 degree for the two straps
[-737.33221442  -17.72657068] # The strap force differences for walk for the two straps
[   8.78016001 -342.74968362] # The strap force differences for running for the two straps

The cost function track:  318.97978953755717

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['Penetration stretch', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 74.7548223  312.6202023 ]
 [182.         184.99388798]
 [ 19.          19.4440505 ]
 [392.         195.54778199]]
#####################################################################################################
The number of iteration: 36 

The solution track:
[ 74.7548223 312.6202023]  # The position (central angle) of bottom endpoints for the two straps
[180.         184.99388798]  # The position (central angle) of top endpoints for the two straps
[19.        19.4440505]  # The start angles of the waves for the two straps
[392. 196.]  # The element numbers for the two straps

The gradient track:
[-6.246693827518584, -9.511982059908405]  # The derivative (gradient) of bottom endpoint position for the two straps
[1.556464611356887, -3.8720182947014337]  # The derivative (gradient) of top endpoint position for the two straps
[6.316788616601343, -14.427045351189179]  # The derivative (gradient) of the start wave angles for the two straps
[1.871887668389661, 1.3866239225387744]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[27.15190391, 15.49026558, 28.13513658, 10.20204491]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.2752589358414181, 20.41804437003617]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-195.09232462 -388.95281039] # The strap force differences for DL_0 degree for the two straps
[-187.65631959 -379.36821523] # The strap force differences for DL_45 degree for the two straps
[-743.79679982   37.64952148] # The strap force differences for walk for the two straps
[-107.6854773  -354.18995893] # The strap force differences for running for the two straps

The cost function track:  363.9411506740403

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration slack', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 76.06825914 314.6202023 ]
 [179.19604481 186.99388798]
 [ 18.82486258  19.8440505 ]
 [390.         194.51847528]]
#####################################################################################################
The number of iteration: 37 

The solution track:
[ 76.06825914 314.6202023 ]  # The position (central angle) of bottom endpoints for the two straps
[179.19604481 186.99388798]  # The position (central angle) of top endpoints for the two straps
[18.82486258 19.8440505 ]  # The start angles of the waves for the two straps
[390. 195.]  # The element numbers for the two straps

The gradient track:
[-8.056991240349703, 0.09349021899947729]  # The derivative (gradient) of bottom endpoint position for the two straps
[1.442191925213649, 1.5114143628007923]  # The derivative (gradient) of top endpoint position for the two straps
[4.313985328713727, 0.6859413783235482]  # The derivative (gradient) of the start wave angles for the two straps
[-0.10801099183953511, 3.1985689779148174]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[26.402632, 15.1025792, 28.18447633, 10.1847342]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.2546881796835068, 21.483830633069164]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-172.30890037 -386.01573375] # The strap force differences for DL_0 degree for the two straps
[-170.47672139 -376.56721306] # The strap force differences for DL_45 degree for the two straps
[-727.24270623  -15.31963898] # The strap force differences for walk for the two straps
[ -55.55232546 -351.28825293] # The strap force differences for running for the two straps

The cost function track:  296.19901001275264

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 78.06825914 314.59699507]
 [177.28764435 184.99388798]
 [ 18.42486258  19.78044886]
 [390.06753707 193.        ]]
#####################################################################################################
The number of iteration: 38 

The solution track:
[ 78.06825914 314.59699507]  # The position (central angle) of bottom endpoints for the two straps
[177.28764435 184.99388798]  # The position (central angle) of top endpoints for the two straps
[18.42486258 19.78044886]  # The start angles of the waves for the two straps
[390. 193.]  # The element numbers for the two straps

The gradient track:
[1.001551924005696, -0.1499902278573586]  # The derivative (gradient) of bottom endpoint position for the two straps
[-5.723695469878464, -1.5663586024409142]  # The derivative (gradient) of top endpoint position for the two straps
[-18.23074655220279, -0.48762887511287545]  # The derivative (gradient) of the start wave angles for the two straps
[-5.0749473613775535, -0.33913057571822947]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[25.07907211, 14.36857418, 28.25773274, 10.15745031]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.3597145702556594, 25.00495467734598]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-147.02287339 -385.19355739] # The strap force differences for DL_0 degree for the two straps
[-154.41842829 -375.94676035] # The strap force differences for DL_45 degree for the two straps
[-717.8460584   -19.89894152] # The strap force differences for walk for the two straps
[  32.31919067 -346.30667963] # The strap force differences for running for the two straps

The cost function track:  277.7558164304523

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration stretch', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 76.06825914 314.8965107 ]
 [179.28764435 185.54121221]
 [ 18.82486258  19.7911479 ]
 [392.         193.1336489 ]]
#####################################################################################################
The number of iteration: 39 

The solution track:
[ 76.06825914 314.8965107 ]  # The position (central angle) of bottom endpoints for the two straps
[179.28764435 185.54121221]  # The position (central angle) of top endpoints for the two straps
[18.82486258 19.7911479 ]  # The start angles of the waves for the two straps
[392. 193.]  # The element numbers for the two straps

The gradient track:
[-9.334632227993893, -0.23229404826975042]  # The derivative (gradient) of bottom endpoint position for the two straps
[-1.7750929188733267, 0.062458659363983315]  # The derivative (gradient) of top endpoint position for the two straps
[4.528331135549934, 0.6447369743260651]  # The derivative (gradient) of the start wave angles for the two straps
[-0.23903347725843105, -0.3218303469647026]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[26.38760328, 15.09242142, 28.1846221, 10.18195844]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.2438715666984803, 22.94754258802629]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-175.25448196 -385.40518846] # The strap force differences for DL_0 degree for the two straps
[-173.69536286 -376.0738429 ] # The strap force differences for DL_45 degree for the two straps
[-732.82382784  -21.4829015 ] # The strap force differences for walk for the two straps
[ -55.37357935 -346.89121577] # The strap force differences for running for the two straps

The cost function track:  297.02557005472477

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 78.06825914 314.94628107]
 [181.28764435 185.47083994]
 [ 18.42486258  19.73419651]
 [393.48546263 195.        ]]
#####################################################################################################
The number of iteration: 40 

The solution track:
[ 78.06825914 314.94628107]  # The position (central angle) of bottom endpoints for the two straps
[180.         185.47083994]  # The position (central angle) of top endpoints for the two straps
[18.42486258 19.73419651]  # The start angles of the waves for the two straps
[393. 195.]  # The element numbers for the two straps

The gradient track:
[-10.47055922963068, -1.0510252474963409]  # The derivative (gradient) of bottom endpoint position for the two straps
[-2.870851002871632, -0.24927227372268135]  # The derivative (gradient) of top endpoint position for the two straps
[-20.977504807822044, -1.588225275843854]  # The derivative (gradient) of the start wave angles for the two straps
[-0.8782606094566745, -0.10162816487593318]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[24.99577762, 14.38244905, 28.25182341, 10.15233753]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.3859803792096947, 24.252459186207055]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-158.59576647 -389.41661984] # The strap force differences for DL_0 degree for the two straps
[-165.90439812 -379.95838332] # The strap force differences for DL_45 degree for the two straps
[-729.44246371  -13.56400588] # The strap force differences for walk for the two straps
[  23.72281438 -349.36311966] # The strap force differences for running for the two straps

The cost function track:  265.06813636400466

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration stretch', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 79.06825914 315.04666017]
 [181.         185.55766865]
 [ 18.62486258  19.74933868]
 [394.         195.11571527]]
#####################################################################################################
The number of iteration: 41 

The solution track:
[ 79.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         185.55766865]  # The position (central angle) of top endpoints for the two straps
[18.62486258 19.74933868]  # The start angles of the waves for the two straps
[394. 195.]  # The element numbers for the two straps

The gradient track:
[-10.74147372464796, 0.21542440224948223]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.2498165003699171, -0.49114365207742594]  # The derivative (gradient) of top endpoint position for the two straps
[3.9639212369856978, -0.40533220147972315]  # The derivative (gradient) of the start wave angles for the two straps
[-1.0234589386968764, -0.41078998334265293]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[24.81198497, 14.4362908, 28.24417688, 10.13219426]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.2986991459549957, 20.83685007971573]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-158.90482909 -389.41261302] # The strap force differences for DL_0 degree for the two straps
[-168.83755782 -379.99983875] # The strap force differences for DL_45 degree for the two straps
[-731.25641463  -15.85072366] # The strap force differences for walk for the two straps
[ -14.39709249 -354.26641107] # The strap force differences for running for the two straps

The cost function track:  230.31693299567075

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 80.06825914 314.97994461]
 [179.49135757 186.55766865]
 [ 18.42486258  19.76978975]
 [395.         195.40137417]]
#####################################################################################################
The number of iteration: 42 

The solution track:
[ 80.06825914 314.97994461]  # The position (central angle) of bottom endpoints for the two straps
[179.49135757 186.55766865]  # The position (central angle) of top endpoints for the two straps
[18.42486258 19.76978975]  # The start angles of the waves for the two straps
[395. 195.]  # The element numbers for the two straps

The gradient track:
[-7.728470423897363, -0.7305327622966615]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.6697816463898505, 0.5439376183517766]  # The derivative (gradient) of top endpoint position for the two straps
[-21.349842059378545, -0.12785084002877056]  # The derivative (gradient) of the start wave angles for the two straps
[-0.9493120434987077, 0.9262506124089498]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[24.12288236, 14.07607302, 28.26834408, 10.11574072]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.3635261592002694, 22.39947090766286]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-142.21076679 -385.42137813] # The strap force differences for DL_0 degree for the two straps
[-156.31440928 -375.96571468] # The strap force differences for DL_45 degree for the two straps
[-719.22501559   -4.90472572] # The strap force differences for walk for the two straps
[  25.56490125 -348.2823357 ] # The strap force differences for running for the two straps

The cost function track:  229.26607508156633

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 81.06825914 315.0744695 ]
 [180.49135757 185.74555679]
 [ 18.62486258  19.77098743]
 [396.         194.02429278]]
#####################################################################################################
The number of iteration: 43 

The solution track:
[ 81.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         185.74555679]  # The position (central angle) of top endpoints for the two straps
[18.62486258 19.77098743]  # The start angles of the waves for the two straps
[396. 194.]  # The element numbers for the two straps

The gradient track:
[-7.482878107719813, 0.6573778824080421]  # The derivative (gradient) of bottom endpoint position for the two straps
[1.2010956762909757, 0.5070264890054546]  # The derivative (gradient) of top endpoint position for the two straps
[3.9896261343243964, 4.303984242512541]  # The derivative (gradient) of the start wave angles for the two straps
[0.8603658220717421, -0.013317010552384545]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[23.927075, 14.1397832, 28.25562955, 10.09365669]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.3830904998862643, 17.847585793722477]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-141.64574873 -387.54690694] # The strap force differences for DL_0 degree for the two straps
[-158.21967568 -378.2469575 ] # The strap force differences for DL_45 degree for the two straps
[-716.53887593  -22.57268729] # The strap force differences for walk for the two straps
[ -13.12123843 -351.31338036] # The strap force differences for running for the two straps

The cost function track:  191.14075129360867

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 82.06825914 314.91214906]
 [179.         185.32342015]
 [ 18.43947036  19.57098743]
 [395.         194.01547831]]
#####################################################################################################
The number of iteration: 44 

The solution track:
[ 82.06825914 314.91214906]  # The position (central angle) of bottom endpoints for the two straps
[179.         185.32342015]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.57098743]  # The start angles of the waves for the two straps
[395. 194.]  # The element numbers for the two straps

The gradient track:
[4.958380671097814, -1.3840609256578489]  # The derivative (gradient) of bottom endpoint position for the two straps
[13.995426340723697, 4.646135152356237]  # The derivative (gradient) of top endpoint position for the two straps
[-2.687801211695273, -1.6181221859292236]  # The derivative (gradient) of the start wave angles for the two straps
[9.972789342419702, 3.0851124905381653]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[23.27158737, 13.80365572, 28.27217917, 10.07912838]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.376817194459626, 18.27130217015737]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-133.80155761 -387.69311661] # The strap force differences for DL_0 degree for the two straps
[-153.98023399 -378.23165237] # The strap force differences for DL_45 degree for the two straps
[-713.16665421    2.26175641] # The strap force differences for walk for the two straps
[  24.88945635 -353.20768953] # The strap force differences for running for the two straps

The cost function track:  191.8244142936618

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 81.06825914 315.19128473]
 [178.         184.9914449 ]
 [ 18.63947036  19.69139233]
 [394.         193.69064698]]
#####################################################################################################
The number of iteration: 45 

The solution track:
[ 81.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[178.        184.9914449]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.69139233]  # The start angles of the waves for the two straps
[394. 194.]  # The element numbers for the two straps

The gradient track:
[-8.107193221267494, -0.5779861979900431]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.31161707975996933, 1.9138110981777743]  # The derivative (gradient) of top endpoint position for the two straps
[5.409551502843556, -0.6756222367915541]  # The derivative (gradient) of the start wave angles for the two straps
[3.5792032651350496, -0.29876066474844265]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[24.00211993, 14.14326288, 28.2604083, 10.09874921]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.4602164306544745, 16.712135569145648]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-141.43788374 -387.00246581] # The strap force differences for DL_0 degree for the two straps
[-158.16964501 -377.67281225] # The strap force differences for DL_45 degree for the two straps
[-714.68421983  -22.76319688] # The strap force differences for walk for the two straps
[   0.56219882 -350.53258668] # The strap force differences for running for the two straps

The cost function track:  193.70146794648923

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 82.06825914 315.07129301]
 [177.83717459 183.9914449 ]
 [ 18.43947036  19.71637119]
 [393.         194.08347128]]
#####################################################################################################
The number of iteration: 46 

The solution track:
[ 82.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[177.83717459 183.9914449 ]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.71637119]  # The start angles of the waves for the two straps
[393. 194.]  # The element numbers for the two straps

The gradient track:
[-9.423361645596117, -0.7330140898698119]  # The derivative (gradient) of bottom endpoint position for the two straps
[4.223264149669262, -0.5876794540284322]  # The derivative (gradient) of top endpoint position for the two straps
[-8.747864320407189, -1.0813281766339173]  # The derivative (gradient) of the start wave angles for the two straps
[8.001732144226906, -0.6646899352975311]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[23.30873908, 13.80035435, 28.27456909, 10.08023769]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.378554200052747, 20.04278600957269]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-132.0553258  -385.97311245] # The strap force differences for DL_0 degree for the two straps
[-152.52767216 -376.77624494] # The strap force differences for DL_45 degree for the two straps
[-713.69914868  -21.71732023] # The strap force differences for walk for the two straps
[  33.12845955 -352.37141745] # The strap force differences for running for the two straps

The cost function track:  201.0781020433153

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 83.06825914 315.0777869 ]
 [176.83717459 184.1305978 ]
 [ 18.63947036  19.7410933 ]
 [392.         194.08306826]]
#####################################################################################################
The number of iteration: 47 

The solution track:
[ 83.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[176.83717459 184.1305978 ]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.7410933 ]  # The start angles of the waves for the two straps
[392. 194.]  # The element numbers for the two straps

The gradient track:
[-10.15231799199887, -0.1801024881097817]  # The derivative (gradient) of bottom endpoint position for the two straps
[-3.504880608023768, -0.3487227059646614]  # The derivative (gradient) of top endpoint position for the two straps
[1.7629840046614333, 0.344014820836378]  # The derivative (gradient) of the start wave angles for the two straps
[-3.8126269251931717, -0.44164191240071204]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[23.15724967, 13.86325198, 28.2638211, 10.06360497]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.4505452769504243, 15.75160883369957]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-130.16225609 -386.05014691] # The strap force differences for DL_0 degree for the two straps
[-153.22634055 -376.91634919] # The strap force differences for DL_45 degree for the two straps
[-710.75027823  -20.93676122] # The strap force differences for walk for the two straps
[   2.85445352 -351.52036145] # The strap force differences for running for the two straps

The cost function track:  160.3638441015766

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 84.06825914 315.01774004]
 [177.83717459 184.23009412]
 [ 18.43947036  19.70206687]
 [393.         194.11583665]]
#####################################################################################################
The number of iteration: 48 

The solution track:
[ 84.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[177.83717459 184.23009412]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.70206687]  # The start angles of the waves for the two straps
[393. 194.]  # The element numbers for the two straps

The gradient track:
[-11.421473930107908, -0.6731928034384396]  # The derivative (gradient) of bottom endpoint position for the two straps
[-4.29421357724209, -0.28294566813863753]  # The derivative (gradient) of top endpoint position for the two straps
[-22.03704516783864, 0.13448461029503278]  # The derivative (gradient) of the start wave angles for the two straps
[-3.289722219537964, -0.9633214318155296]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[22.41760439, 13.52658452, 28.26478294, 10.04051605]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.5613449660769074, 16.12017692752483]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-122.91830109 -386.23839697] # The strap force differences for DL_0 degree for the two straps
[-149.07165081 -377.07969239] # The strap force differences for DL_45 degree for the two straps
[-702.21466113  -20.63444079] # The strap force differences for walk for the two straps
[  38.94643733 -352.21983635] # The strap force differences for running for the two straps

The cost function track:  166.61973921225433

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 85.06825914 315.05894097]
 [178.83717459 184.2959841 ]
 [ 18.63947036  19.70084634]
 [394.         194.29282759]]
#####################################################################################################
The number of iteration: 49 

The solution track:
[ 85.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[178.83717459 184.2959841 ]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.70084634]  # The start angles of the waves for the two straps
[394. 194.]  # The element numbers for the two straps

The gradient track:
[-9.718605871078807, 0.4881339338471804]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.5307839614541479, -0.781790445345095]  # The derivative (gradient) of top endpoint position for the two straps
[4.876500374117441, -0.5003110068463883]  # The derivative (gradient) of the start wave angles for the two straps
[-0.8189382387612341, 0.3124907211469292]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[22.21090028, 13.60605218, 28.24079268, 10.02055424]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.5569092135641769, 13.477630612750916]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-121.4742087  -386.30525381] # The strap force differences for DL_0 degree for the two straps
[-150.24158536 -377.19190534] # The strap force differences for DL_45 degree for the two straps
[-701.43211908  -19.88131679] # The strap force differences for walk for the two straps
[  -8.17750179 -352.85008267] # The strap force differences for running for the two straps

The cost function track:  116.56145130631512

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 86.06825914 314.94977326]
 [179.51610839 185.2959841 ]
 [ 18.43947036  19.72136561]
 [395.         193.61841967]]
#####################################################################################################
The number of iteration: 50 

The solution track:
[ 86.06825914 314.94977326]  # The position (central angle) of bottom endpoints for the two straps
[179.51610839 185.2959841 ]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.72136561]  # The start angles of the waves for the two straps
[395. 194.]  # The element numbers for the two straps

The gradient track:
[-10.938657795029485, 0.6418920014754121]  # The derivative (gradient) of bottom endpoint position for the two straps
[-2.0318456426696088, 0.432421363862062]  # The derivative (gradient) of top endpoint position for the two straps
[-14.60492390437122, -0.21511746334779502]  # The derivative (gradient) of the start wave angles for the two straps
[-3.9424656571415824, -0.2623442039462702]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[21.47262237, 13.26976326, 28.22725064, 9.99558826]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.5863257130472879, 13.279278531732116]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-115.18260278 -387.27683806] # The strap force differences for DL_0 degree for the two straps
[-146.41517584 -378.13827755] # The strap force differences for DL_45 degree for the two straps
[-687.70874051  -19.92733893] # The strap force differences for walk for the two straps
[  29.9851031 -351.5640253] # The strap force differences for running for the two straps

The cost function track:  116.11822451028416

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 87.06825914 314.8910922 ]
 [180.51610839 185.08316215]
 [ 18.63947036  19.72431143]
 [396.         194.06654318]]
#####################################################################################################
The number of iteration: 51 

The solution track:
[ 87.06825914 314.8910922 ]  # The position (central angle) of bottom endpoints for the two straps
[180.         185.08316215]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.72431143]  # The start angles of the waves for the two straps
[396. 194.]  # The element numbers for the two straps

The gradient track:
[-10.657207263457693, -0.7268965235505647]  # The derivative (gradient) of bottom endpoint position for the two straps
[-2.3992794843701546, 0.015343382160082797]  # The derivative (gradient) of top endpoint position for the two straps
[4.017772822114949, -0.8654295427866998]  # The derivative (gradient) of the start wave angles for the two straps
[-1.4707785248608616, -0.395967937387411]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[21.27776585, 13.34976964, 28.19629406, 9.97694539]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.6482633087540293, 12.685774882866362]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[-114.3674779  -387.12080442] # The strap force differences for DL_0 degree for the two straps
[-148.26830469 -378.06368353] # The strap force differences for DL_45 degree for the two straps
[-688.67968775  -16.98904157] # The strap force differences for walk for the two straps
[ -23.02282025 -353.09610176] # The strap force differences for running for the two straps

The cost function track:  77.62243804162046

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 88.06825914 314.95929923]
 [181.         185.07676715]
 [ 18.43947036  19.76739149]
 [397.         194.26922336]]
#####################################################################################################
The number of iteration: 52 

The solution track:
[ 88.06825914 314.95929923]  # The position (central angle) of bottom endpoints for the two straps
[180.         185.07676715]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.76739149]  # The start angles of the waves for the two straps
[397. 194.]  # The element numbers for the two straps

The gradient track:
[-9.309613618616567, 0.200967620031534]  # The derivative (gradient) of bottom endpoint position for the two straps
[-5.319910134291689, 1.0511741815787161]  # The derivative (gradient) of top endpoint position for the two straps
[-14.508511626326708, 0.12544816164805184]  # The derivative (gradient) of the start wave angles for the two straps
[-6.9890592924601975, 0.7355868638009753]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[20.54481686, 13.00833832, 28.17323822, 9.94902725]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.5781914833278161, 12.596989878285353]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -98.3060456  -386.94632524] # The strap force differences for DL_0 degree for the two straps
[-134.20157846 -377.96056553] # The strap force differences for DL_45 degree for the two straps
[-663.757428   -28.5300628] # The strap force differences for walk for the two straps
[  32.76028916 -352.26410582] # The strap force differences for running for the two straps

The cost function track:  80.18296178544952

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 89.06825914 314.93771213]
 [181.         184.87917468]
 [ 18.63947036  19.76566219]
 [398.         193.89475166]]
#####################################################################################################
The number of iteration: 53 

The solution track:
[ 89.06825914 314.93771213]  # The position (central angle) of bottom endpoints for the two straps
[180.         184.87917468]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.76566219]  # The start angles of the waves for the two straps
[398. 194.]  # The element numbers for the two straps

The gradient track:
[-5.926087014818883, -0.47677300943255574]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.5268901406088986, 0.2175035697174792]  # The derivative (gradient) of top endpoint position for the two straps
[5.593422954603611, 0.16890033479272404]  # The derivative (gradient) of the start wave angles for the two straps
[0.09910810362120515, -0.1661950802787402]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[20.50328558, 13.17294114, 28.1409213, 9.93159935]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.721731359096439, 10.972858106397128]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -97.79796542 -386.77981509] # The strap force differences for DL_0 degree for the two straps
[-136.51501197 -377.86563053] # The strap force differences for DL_45 degree for the two straps
[-660.88634917  -24.8782229 ] # The strap force differences for walk for the two straps
[ -15.42843781 -353.36553696] # The strap force differences for running for the two straps

The cost function track:  44.24929824549356

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 90.06825914 315.01816539]
 [179.         184.46636838]
 [ 18.43947036  19.75962294]
 [397.40366403 195.        ]]
#####################################################################################################
The number of iteration: 54 

The solution track:
[ 90.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[179.         184.46636838]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.75962294]  # The start angles of the waves for the two straps
[397. 195.]  # The element numbers for the two straps

The gradient track:
[-6.568838446391517, -0.3910974470466613]  # The derivative (gradient) of bottom endpoint position for the two straps
[-2.779997962815024, -0.051207591452907764]  # The derivative (gradient) of top endpoint position for the two straps
[-20.60458389537068, -0.5053859069401554]  # The derivative (gradient) of the start wave angles for the two straps
[-0.7636175779378362, -0.11376142871976214]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.94944238, 12.9547189, 28.11277558, 9.90395269]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.8576336764366372, 14.031139175063814]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -90.89194444 -388.32398343] # The strap force differences for DL_0 degree for the two straps
[-131.27298294 -379.42369097] # The strap force differences for DL_45 degree for the two straps
[-642.65429902  -24.78505517] # The strap force differences for walk for the two straps
[  24.39008061 -354.42425523] # The strap force differences for running for the two straps

The cost function track:  51.14829584083872

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 91.06825914 315.0595383 ]
 [180.         184.48478839]
 [ 18.63947036  19.76452851]
 [398.         195.14897696]]
#####################################################################################################
The number of iteration: 55 

The solution track:
[ 91.06825914 315.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         184.48478839]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.76452851]  # The start angles of the waves for the two straps
[398. 195.]  # The element numbers for the two straps

The gradient track:
[-0.12555712554278387, 0.27261007550315597]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.26585732099546533, 0.18722221039479336]  # The derivative (gradient) of top endpoint position for the two straps
[2.611518594883698, -0.00019231895727145343]  # The derivative (gradient) of the start wave angles for the two straps
[0.30668205644472124, 0.4500260256996462]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.91885862, 13.2222294, 28.07351422, 9.88656828]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.881066521401906, 10.917059998777749]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -88.97939849 -388.33036263] # The strap force differences for DL_0 degree for the two straps
[-132.44663567 -379.49377423] # The strap force differences for DL_45 degree for the two straps
[-630.46182445  -29.18334867] # The strap force differences for walk for the two straps
[ -27.7142656  -354.33382145] # The strap force differences for running for the two straps

The cost function track:  23.646985140179655

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 91.52883319 314.        ]
 [181.         183.78056776]
 [ 18.43947036  19.76454323]
 [397.31852373 194.        ]]
#####################################################################################################
The number of iteration: 56 

The solution track:
[ 91.52883319 314.        ]  # The position (central angle) of bottom endpoints for the two straps
[180.         183.78056776]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.76454323]  # The start angles of the waves for the two straps
[397. 194.]  # The element numbers for the two straps

The gradient track:
[-6.632361631693051, -0.03781430304540123]  # The derivative (gradient) of bottom endpoint position for the two straps
[-6.7282237212905756, 0.33002900870731366]  # The derivative (gradient) of top endpoint position for the two straps
[-16.679262059644, 0.5542215936437955]  # The derivative (gradient) of the start wave angles for the two straps
[-3.9621387545248226, 1.1734973096817427]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.52312241, 13.01636092, 28.05463009, 9.86855962]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.970215477968081, 10.734986445679079]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -83.40961345 -386.63402987] # The strap force differences for DL_0 degree for the two straps
[-127.04690707 -378.02328055] # The strap force differences for DL_45 degree for the two straps
[-595.89631355  -29.86850901] # The strap force differences for walk for the two straps
[  16.33990711 -354.40626646] # The strap force differences for running for the two straps

The cost function track:  39.47823143989028

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['Penetration stretch', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 92.52883319 314.00570148]
 [181.         183.73151633]
 [ 18.63947036  19.7578976 ]
 [398.         193.70382226]]
#####################################################################################################
The number of iteration: 57 

The solution track:
[ 92.52883319 314.00570148]  # The position (central angle) of bottom endpoints for the two straps
[180.         183.73151633]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.7578976 ]  # The start angles of the waves for the two straps
[398. 194.]  # The element numbers for the two straps

The gradient track:
[0.018735530907886044, 0.2797778947176468]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.510525633101242, 0.20628152598545668]  # The derivative (gradient) of top endpoint position for the two straps
[0.034180072820390706, -0.03085067596246205]  # The derivative (gradient) of the start wave angles for the two straps
[-0.22404240087311322, 0.6550024991384511]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.4977748, 13.26694484, 28.01775757, 9.85252137]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[2.0561201381931746, 10.707877395519505]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -82.46705068 -386.59664934] # The strap force differences for DL_0 degree for the two straps
[-129.34604328 -378.04403109] # The strap force differences for DL_45 degree for the two straps
[-595.53584074  -29.81214406] # The strap force differences for walk for the two straps
[ -36.35155334 -353.95396254] # The strap force differences for running for the two straps

The cost function track:  23.181772333712676

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 92.46186746 313.00570148]
 [179.         183.32745919]
 [ 18.43947036  19.93841609]
 [398.34204816 193.        ]]
#####################################################################################################
The number of iteration: 58 

The solution track:
[ 92.46186746 313.00570148]  # The position (central angle) of bottom endpoints for the two straps
[179.         183.32745919]  # The position (central angle) of top endpoints for the two straps
[18.43947036 19.93841609]  # The start angles of the waves for the two straps
[398. 193.]  # The element numbers for the two straps

The gradient track:
[-7.15252032357288, 1.0562139646515902]  # The derivative (gradient) of bottom endpoint position for the two straps
[-5.71895312227938, -0.027113318004651887]  # The derivative (gradient) of top endpoint position for the two straps
[-11.866435534600818, -0.0003052297989256658]  # The derivative (gradient) of the start wave angles for the two straps
[3.1987248331193143, 0.5949513876763035]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.24319705, 13.01843761, 28.01892708, 9.84441296]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[2.078230410507211, 12.821782540642324]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -70.7223203  -384.76164538] # The strap force differences for DL_0 degree for the two straps
[-116.49432936 -376.56240385] # The strap force differences for DL_45 degree for the two straps
[-566.85022662  -47.1666622 ] # The strap force differences for walk for the two straps
[   9.92789661 -355.31400914] # The strap force differences for running for the two straps

The cost function track:  34.98110661025295

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 93.46186746 312.8580313 ]
 [180.         183.33220015]
 [ 18.63947036  19.93842123]
 [397.         192.81400357]]
#####################################################################################################
The number of iteration: 59 

The solution track:
[ 93.46186746 312.8580313 ]  # The position (central angle) of bottom endpoints for the two straps
[180.         183.33220015]  # The position (central angle) of top endpoints for the two straps
[18.63947036 19.93842123]  # The start angles of the waves for the two straps
[397. 193.]  # The element numbers for the two straps

The gradient track:
[0.32374805599349443, 0.5675873542720744]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.17576927775022, 1.673603385153168]  # The derivative (gradient) of top endpoint position for the two straps
[0.00916736018061215, 0.6718341937582153]  # The derivative (gradient) of the start wave angles for the two straps
[0.006999926093602227, 0.1788972061109355]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.24212077, 13.30838517, 27.97964589, 9.82914979]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[2.119616767759204, 10.267315650213744]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -76.65050119 -384.9097593 ] # The strap force differences for DL_0 degree for the two straps
[-125.63176692 -376.79268034] # The strap force differences for DL_45 degree for the two straps
[-566.73731611  -45.81033307] # The strap force differences for walk for the two straps
[ -36.99656598 -355.62489197] # The strap force differences for running for the two straps

The cost function track:  22.52905318797295

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 92.8914741  311.8580313 ]
 [179.89497555 182.33220015]
 [ 18.6367413   19.73842123]
 [396.9608718  192.        ]]
#####################################################################################################
The number of iteration: 60 

The solution track:
[ 92.8914741 311.8580313]  # The position (central angle) of bottom endpoints for the two straps
[179.89497555 182.33220015]  # The position (central angle) of top endpoints for the two straps
[18.6367413  19.73842123]  # The start angles of the waves for the two straps
[397. 192.]  # The element numbers for the two straps

The gradient track:
[0.16947040301407768, -0.32621972975836044]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.2338629587754788, -0.3454189983858136]  # The derivative (gradient) of top endpoint position for the two straps
[0.35492984803095595, -0.5633519947037549]  # The derivative (gradient) of the start wave angles for the two straps
[0.2987394777971417, -0.13778432785560213]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.40144918, 13.28216652, 28.00372217, 9.84376558]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[2.0261712946579613, 10.773015928722513]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -79.27892461 -383.3930574 ] # The strap force differences for DL_0 degree for the two straps
[-127.13405278 -375.28689111] # The strap force differences for DL_45 degree for the two straps
[-588.57978318  -21.80182496] # The strap force differences for walk for the two straps
[ -35.75660618 -354.48348809] # The strap force differences for running for the two straps

The cost function track:  23.090636403380476

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 92.37197639 312.8580313 ]
 [180.57201694 183.33220015]
 [ 18.51073488  19.93842123]
 [396.         192.46121902]]
#####################################################################################################
The number of iteration: 61 

The solution track:
[ 92.37197639 312.8580313 ]  # The position (central angle) of bottom endpoints for the two straps
[180.         183.33220015]  # The position (central angle) of top endpoints for the two straps
[18.51073488 19.93842123]  # The start angles of the waves for the two straps
[396. 192.]  # The element numbers for the two straps

The gradient track:
[0.535023500865023, 0.7735226841896576]  # The derivative (gradient) of bottom endpoint position for the two straps
[1.2920405202646492, 0.848080401882644]  # The derivative (gradient) of top endpoint position for the two straps
[0.824362386782326, 1.374027107830166]  # The derivative (gradient) of the start wave angles for the two straps
[0.8100009573652684, 0.7655530333399092]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.38755025, 13.13219936, 28.02298203, 9.85008918]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.9506208677139536, 9.884945139988622]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -78.76913506 -382.91549527] # The strap force differences for DL_0 degree for the two straps
[-124.58838506 -374.77413247] # The strap force differences for DL_45 degree for the two straps
[-587.16213773  -41.70692676] # The strap force differences for walk for the two straps
[  -3.7811816  -354.06660523] # The strap force differences for running for the two straps

The cost function track:  22.103116257702574

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 91.68030502 311.8580313 ]
 [179.         182.67581175]
 [ 18.39074272  19.73842123]
 [395.         191.05487392]]
#####################################################################################################
The number of iteration: 62 

The solution track:
[ 91.68030502 311.8580313 ]  # The position (central angle) of bottom endpoints for the two straps
[179.         182.67581175]  # The position (central angle) of top endpoints for the two straps
[18.39074272 19.73842123]  # The start angles of the waves for the two straps
[395. 191.]  # The element numbers for the two straps

The gradient track:
[1.9737156787705104, -0.07134302462247888]  # The derivative (gradient) of bottom endpoint position for the two straps
[0.3624340163819042, 0.9037292472723593]  # The derivative (gradient) of top endpoint position for the two straps
[-17.495254029011882, 0.2137826818245756]  # The derivative (gradient) of the start wave angles for the two straps
[3.7231670564226746, 0.5189987845356043]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[19.43450711, 12.96200952, 28.05316604, 9.86468039]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[2.0294430415099516, 13.184876799423838]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -80.10326814 -381.72438142] # The strap force differences for DL_0 degree for the two straps
[-124.09196481 -373.55563758] # The strap force differences for DL_45 degree for the two straps
[-591.19631132  -18.92180778] # The strap force differences for walk for the two straps
[  18.65423607 -353.15056244] # The strap force differences for running for the two straps

The cost function track:  44.16306302516387

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 90.68030502 311.89417786]
 [178.5989573  181.67581175]
 [ 18.59074272  19.73597734]
 [394.         190.86060287]]
#####################################################################################################
The number of iteration: 63 

The solution track:
[ 90.68030502 311.89417786]  # The position (central angle) of bottom endpoints for the two straps
[178.5989573  181.67581175]  # The position (central angle) of top endpoints for the two straps
[18.59074272 19.73597734]  # The start angles of the waves for the two straps
[394. 191.]  # The element numbers for the two straps

The gradient track:
[0.4979881081856341, 0.37561605629927897]  # The derivative (gradient) of bottom endpoint position for the two straps
[-0.1531271463022783, -0.43401472625625104]  # The derivative (gradient) of top endpoint position for the two straps
[5.9758548253354675, 0.45678010096850485]  # The derivative (gradient) of the start wave angles for the two straps
[0.15576030898741422, 0.25567745086348737]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[20.00882889, 13.15866051, 28.0951512, 9.89673769]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.9248613222001734, 10.670836100330968]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -85.26948507 -380.73980135] # The strap force differences for DL_0 degree for the two straps
[-128.0012754  -372.59702048] # The strap force differences for DL_45 degree for the two straps
[-627.14357622  -26.0658332 ] # The strap force differences for walk for the two straps
[  -8.46527445 -352.98281117] # The strap force differences for running for the two straps

The cost function track:  23.807681912531148

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 89.68030502 311.13991074]
 [178.95177286 182.67581175]
 [ 18.39074272  19.72068982]
 [393.39079372 190.        ]]
#####################################################################################################
The number of iteration: 64 

The solution track:
[ 89.68030502 311.13991074]  # The position (central angle) of bottom endpoints for the two straps
[178.95177286 182.67581175]  # The position (central angle) of top endpoints for the two straps
[18.39074272 19.72068982]  # The start angles of the waves for the two straps
[393. 190.]  # The element numbers for the two straps

The gradient track:
[-7.228507586544609, -0.5837618326552274]  # The derivative (gradient) of bottom endpoint position for the two straps
[2.0849973221479985, -0.8638886537942625]  # The derivative (gradient) of top endpoint position for the two straps
[-15.844802283798245, 0.10924525572262667]  # The derivative (gradient) of the start wave angles for the two straps
[-3.826923010317543, -0.7953872663686141]  # The derivative (gradient) of the element numbers for the two straps

The simulation results track:
[20.04032413, 12.92045667, 28.128612, 9.91334744]  # The subtalar angles for DL 0 degree and 45 degree, and ankle angles for DL 0 degree and 45 degree
[1.8263072206431035, 12.39314388299836]  # The muscle demand differences between models with and without AFO for walk and running
# The strap force differences (max real-time strap forces - fatigue strap forces) for the two straps for DL_0 dgree, DL_45 degree, walk and running
[ -85.66685464 -375.64314933] # The strap force differences for DL_0 degree for the two straps
[-125.37285851 -367.48475346] # The strap force differences for DL_45 degree for the two straps
[-638.02170117   -9.59863716] # The strap force differences for walk for the two straps
[  32.56968203 -348.54616778] # The strap force differences for running for the two straps

The cost function track:  59.27242246812517

The strap penetration status: 
 [['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration'], ['No Penetration', 'No Penetration']]
The updated solution (solution - gradient * step_size) track: 
 [[ 90.68030502 311.22066902]
 [177.95177286 183.09014737]
 [ 18.59074272  19.71931088]
 [394.         190.20783989]]
#####################################################################################################