Number of Points in FFT

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How many points are in FFT?

N Points

Fast Fourier Transform (FFT) is an algorithm used to compute the discrete Fourier transform and its inverse. FFT points are denoted by the letter N in the formula 2N^2 to 2NlgN, where lg is the base-2 logarithm. Discrete Fourier transforms can be quickly calculated for N that is equal to 2, 3, 4, 5, 7, 8, 11, 13, and 16 using the Winograd transform algorithm.

 

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