Generating 4x4 matrix and show that generated matrix is orthogonal

1. Write a MATLAB program to generate a 4X4 DFT matrix

(a) Through the MATLAB program show that the generated DFT matrix is orthogonal

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer