Gentleman; Morven and Gordon Sande radix-4 algorithm (Discrete Fourier Transform Discrete Fourier Transform)

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Time Complexity

$O(n \log n)$

Space Complexity

$O(n)$? words

(Computes and keeps track of DFTs for recursive subcases)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word/Real RAM

Year

1966

Reference

http://cis.rit.edu/class/simg716/FFT_Fun_Profit.pdf

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