//Example 2_19 <c>
//compute the Convolution of x[n] and Unit Impulse response h[n]
clear;
close;
clc;
Max_Limit=10;
for n=1:Max_Limit
Alpha=0.5;
h=Alpha^(n)*ones(1,Max_Limit);
N1=0:Max_Limit-1;
x(n)=(Alpha^(n-1))*1;
end
N2=0:Max_Limit-1;
y=convol(x,h);
N=0:2*Max_Limit-2;
figure
a=gca();
plot2d3('gnn',N2,x) 
xtitle('Input Response Fig 2.5.(a)','n','x[n]');
a.thickness=2;
figure
a=gca();
plot2d3('gnn',N(1:Max_Limit),y(1:Max_Limit),5) 
xtitle('Output Response Fig 2.7','n','y[n]');
a.thickness=2;