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//Scilab Code for Example 7.23 of Signals and systems by
//P.Ramakrishna Rao
//Convolution of two signals
clc;
clear;
clear x y n;
for n=0:10;
x(n+1)=(0.5)^n*u(n-2);
end
c = gca();
c.y_location = "origin";
c.x_location = "origin";
n=0:10;
plot2d3(n,x,-4);
title('x(n)')
xlabel('n')
for n=0:10;
y(n+1)=u(n);
end
figure(1);
n=0:10;
c = gca();
c.y_location = "origin";
c.x_location = "origin";
plot2d3(n,y,-4);
title('y(k)')
xlabel('k')
z=conv(x,y);
figure(2);
n=0:20;
c = gca();
c.y_location = "origin";
c.x_location = "origin";
plot2d3(n,z,-4);
title('Convoluted signal z(t)')
xlabel('t')
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