# Given a sequence x(n) for , where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = -1 . Compute its DFT X(k

Given a sequence x(n) for , where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = -1 . Compute its DFT X(k) and obtain its inverse. Use hand computation and verify with MATLAB.