1-D convolution function In MATLAB

 Instead of solving by MATLAB built in function conv make your own 1-D convolution function

Source code:

 

x=input('INPUT THE SIGNAL of x[n] in the form [x,x,x,x,x,x]:');

h=input('INPUT THE SIGNAL of h[n]\ in the form [x,x,x,x,x,x]:');

m=length(x);

n=length(h);

X=[x,zeros(1,n)];

H=[h,zeros(1,m)];

for i=1:n+m-1

Y(i)=0;

for j=1:m

if(i-j+1>0)

Y(i)=Y(i)+X(j)*H(i-j+1);

else

end

end

end

 subplot(3,1,1)

stem(X)

xlabel('Time');

ylabel('Amplitude');

title('x[n]');

 subplot(3,1,2)

stem(H)

xlabel('Time');

ylabel('Amplitude');

title('h[n]');

subplot(3,1,3)

stem(Y);

ylabel('Amplitude');

xlabel('Time');

title('output Y[n] [1-D Convolution Function]');

Result: