Describe the inverse FFT algorithm, which computes the inverse DFT in O(n log n) time. That is,

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Describe the inverse FFT algorithm, which computes the inverse DFT in O(n log n) time. That is, show how to reverse the roles of a and y and change the assignments so that, for each output index, we have 

n-1 2jw-り j=1

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Algorithm Design And Applications

ISBN: 9781118335918

1st Edition

Authors: Michael T. Goodrich, Roberto Tamassia

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