Let x1[n] = {-2,1,-3,-5,6,8} with arrow under -2 and x2[n]={1,2,3,4} with arrow under 1.
a) determine circular convolution of 7 between x1[n] and x2[n]
b) verify (a) calculations by computing the DFTs and IDFT.
c) verify (a) using circonv function via matlab.