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//Example 2.14:Convolution Integral
clear;
close;
clc;
t =-5:1/100:5;
for i=1:length(t)
if t(i)<0 then
h1(i)=0;
h2(i)=0;
else
h1(i)=exp(-2.*t(i));
h2(i)=2*exp(-t(i));
end
end
h=convol(h1,h2);
figure
a=gca();
a.x_location="origin";
plot2d(t,h1)
xtitle('Impulse Response exp(-2*t)','t','h1(t)');
a.children.children.thickness = 3;
a.children.children.foreground= 2;
figure
a=gca();
plot2d(t,h2)
xtitle('Impulse Response 2*exp(-t)','t','h2(t)');
a.children.children.thickness = 3;
a.children.children.foreground= 2;
figure
a=gca();
t1=-10:1/100:10;
a.y_location="origin";
plot2d(t1,h)
xtitle('Impulse Response of the overall system =h1(t)*h2(t)','t','h(t)');
a.children.children.thickness = 3;
a.children.children.foreground= 2;
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