Question

Consider the following discrete systems; (the Bolded number is the n=0 in the sequence). (Using Convolution)

X1[n] = [ 1 2 3 0 3 2 1];

X2[n] = [1 0 1 -1 1 0 1 0]

X3[n] = [2 1 3 2 1]

Find the following convolutions

1. [X1(n) + X2(n)] * X3(n)
2. [X1(n) * X2(n)] * X3(n)

Answer 1