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//Example 2_1
//Find the convolution of two continous time signal
clc;
t=-8:1/100:8;
for i=1:length(t)
x(i)=exp(-t(i)^2);
h(i)=3*t(i)^2;
end
y=convol(x,h);
figure
plot2d(t,h);
title('Impulse responce');
figure
plot2d(t,x);
title('Input signal');
figure
t2=-16:1/100:16
plot2d(t2,y);
title('Output signal');
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