matlab program for linear convolution matlab code for linear convolution linear convolution using matlab program

matlab program for linear convolution  
%linear convolution
a=input('enter the first sequence');
b=input('enter second sequence');
l1=length(a);
l2=length(b);
a=[a zeros(1,l2-1)];
b=[b zeros(1,l1-1)];
N=l1+l2-1;
for k=1:N
    s=0;
    for i=1:k
        s=s+(a(i)*b(k+1-i));
    end
       c(k)=s;
end
l=length(c);
n=1:1:l;
disp(c);
stem(n,c);
xlabel('time');
ylabel('amplitude');
title('linear convolution');

input
enter the first sequence[2 1 1]
enter second sequence[1 2 4]

output

 tags:matlab program for linear convolution matlab program for convolution matlab code for linear convolution linear convolution using matlab program