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A comment on Understanding The Fourier Transform.

Re:Understanding The Fourier Transform by yread on Monday December 03, 2012 @12:21AM (#4864087)
I got an idea how and why dft works from prof.Wilf(RIP) http://www.math.upenn.edu/~wilf/AlgoComp.pdf see from page 50 on. He approaches it from the algebraical side
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