Answer to Question #163597 in MatLAB for Neha

Question

 Use your program to find the 200-point DFT of the following sequences:

(i) x(n) = 2cos(2πn/10) + cos(2πn/5)

(ii) x(n) = n

Plot the magnitude response of these sequences. The horizontal axis must be scaled appropriately to represent the interval (0, π). Also Comment on the validity of your results.

Answer 1

The answer to your question is provided in the image: