//Example 3.21 //Program to Compute Linear Convolution of following sequences //x[n]=[1,2,-1,2,3,-2,-3,-1,1,1,2,-1] //h[n]=[1,2] clear; clc ; close ; x=[1,2,-1,2,3,-2,-3,-1,1,1,2,-1]; h=[1,2]; // Linear Convolution Computation y=convol (x,h); //Display Sequence y[n] in command window disp(y,"y[n]=");