% Convolve cosine with step clear [x,n] = cosseq(0,-5,25,.5); h = stepseq(0,-5,25); subplot(2,1,1),stem(n,x) xlabel('n') ylabel('x[n]') subplot(2,1,2),stem(n,h) xlabel('n') ylabel('h[n]') offset = 5; pause convdemo