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tp2.m
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tp2.m
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clc;clear all;close all;
t=-7:0.01:7;
l=length(t);
%% -----------------------------------------------------------------------------------------------------
% Equations
%%-------------------------------------------------------------------------------------------------------
%% x1(t)
for i=1:l
if t(i)<-3
x1(i)=0;
elseif t(i)<-1
x1(i)=1;
elseif t(i)<0
x1(i)=2;
elseif t(i)<2
x1(i)=2-t(i);
elseif t(i)>2
x1(i)=0;
end
end
%% x2(t)
for i=1:l
if t(i)<-2
x2(i)=0;
else t(i)>-2
x2(i)=1;
end
end
%% X1(t)+X2(t)
% for i=1:l
% xa(i)=x1(i)+x2(i);
% end
xa=x1+x2;
%% X1(t)-X2(t)
xs=x1-x2;
%% X1(t)*1.5
for i=1:l
xm(i)=x1(i)*(3/2);
end
%% X1(t)/2
for i=1:l
xd(i)=x1(i)/2;
end
%% x1(t-2)
s=4;
for i=1:l
% if t(i)<(-5+s)
% x3(i)=0;
if t(i)<(-3+s)
x3(i)=0;
elseif t(i)<(-1+s)
x3(i)=1;
elseif t(i)<(0+s)
x3(i)=2;
elseif t(i)<(2+s)
x3(i)=2-t(i)+s;
elseif t(i)>(2+s)
x3(i)=0;
% elseif t(i)<(7+s)
% x3(i)=0;
end
end
%% x1(2t-1)
% d=2
% s=1;
% for i=1:l
% if t(i)<(-3+s)
% x4(i)=d *0;
% elseif t(i)<(-1+s)
% x4(i)=d*1;
% elseif t(i)<(0+s)
% x4(i)=2*d;
% elseif t(i)<(2+s)
% x4(i)=(2-t(i)*d)+s;
% elseif t(i)>(2+s)
% x4(i)=0*d;
% end
% end
%% ---------------------------------------------------------------------------------------------------------------
% Plots
%%-----------------------------------------------------------------------------------------------
% plot x1(t)
subplot(2,1,1);
plot(t,x1)
xlabel('time--->');
ylabel('Amp--->');
title('X1');
axis([-5.2 5.2 -0.2 2.2]);
grid on;
% plot x2(t)
subplot(2,1,2);
stairs(t,x2)
xlabel('time--->');
ylabel('Amp--->');
title('X2');
axis([-5.2 5.2 -0.2 1.2]);
grid on;
% plot x1(t)+x2(t)
figure
subplot(2,1,1);
plot(t,xa)
xlabel('time--->');
ylabel('Amp--->');
title('X1+X2');
axis([-5.2 5.2 -0.2 3.2]);
grid on;
%plot x1(t)-x2(t)
subplot(2,1,2);
plot(t,xs);
xlabel('time--->');
ylabel('Amp--->');
title('X1-X2');
axis([-5.2 5.2 -2.2 2.2]);
grid on;
%plot x1(t)*1.5
figure
subplot(2,1,1);
plot(t,xm);
xlabel('time--->');
ylabel('Amp--->');
title('X1*1.5');
axis([-5.2 5.2 -0.2 3.2]);
grid on;
%plot x1(t)/2
subplot(2,1,2);
plot(t,xd);
xlabel('time--->');
ylabel('Amp--->');
title('X1/2');
axis([-5.2 5.2 -0.2 1.2]);
grid on;
%plot x1(t-2)
figure
subplot(2,1,1);
plot(t,x3);
xlabel('time--->');
ylabel('Amp--->');
title('Right Shift');
axis([-7.2 7.2 -0.2 2.2]);
grid on;
% %plot x1(2t-1)
% subplot(2,1,2);
% plot(t,x4);
% xlabel('time--->');
% ylabel('Amp--->');
% title('Right Shift');
% axis([-7.2 7.2 -5.2 5.2]);
% grid on;