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//EXAMPLE 2.33 ,stability of finite impulse response.
//h[i]=impulse response of LTI system.
clear;
clc;
n= -5:1/100:5;
a= input('value of a');
N1=input('lower limit');
N2=input('upper limit');
for i=1:length(a)
if (n(i)<N1 & n(i)>N2)
h(i)=0;
else
h(i)=a^n(i);
S=sum(h);
end
end
if(S<%inf)
disp('BIBO stable system'); //as long as N1,N2!=%inf
else
disp('BIBO unstable system');
end
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