List questions from fast-fourier-transform

Published on 10 Jul 2016 - 22:33

196

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FFT butterfly diagram

Published on 10 Jul 2016 - 23:13

223

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Chossing a prime for fft of size $2^n$

Published on 11 Jul 2016 - 4:31

1k

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Compute Fourier coefficients of spline fit to data

Published on 25 Mar 2026 - 14:47

88

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Analysis of a linear increase in standard divination. What might cause a linear increase in floating point error?

Published on 29 Jul 2016 - 22:11

208

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Why do we need real numbers for fast convolution on rational numbers?

Published on 03 Aug 2016 - 17:59

357

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How to compute $p(x)=\prod_{k=0}^{n-1}(x-z_k)$ using the FFT with complexity of O(nlog^2 n)?

Published on 09 Aug 2016 - 19:04

690

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Find the fourier series representation of a function

Published on 15 Aug 2016 - 14:28

372

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Omitting twiddle factors in Cooley–Tukey FFT algorithm

Published on 24 Aug 2016 - 21:01

1k

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Fourier Series: Music from a Piano vs Keyboard

Published on 25 Mar 2026 - 11:13

10.2k

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How does FFT work?

Published on 05 Sep 2016 - 8:32

1.6k

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NTT for fast multiplication of polynomials over a finite field, and the connection to polynomial evaluation

Published on 14 Sep 2016 - 16:05

919

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Why, traditionally, does FFT use complex numbers as a wrapper for magnitude and phase?

Published on 28 Sep 2016 - 8:47

174

Views

Period-based Fast Fourier transform

Published on 30 Sep 2016 - 17:55

50

Views

Does the fast Fourier transform have equivalents in other transforms?

Published on 25 Mar 2026 - 13:54

List Question

How to evaluate chirp transform in O(nlgn) time?

FFT butterfly diagram

Chossing a prime for fft of size $2^n$

Compute Fourier coefficients of spline fit to data

Analysis of a linear increase in standard divination. What might cause a linear increase in floating point error?

Why do we need real numbers for fast convolution on rational numbers?

How to compute $p(x)=\prod_{k=0}^{n-1}(x-z_k)$ using the FFT with complexity of O(nlog^2 n)?

Find the fourier series representation of a function

Omitting twiddle factors in Cooley–Tukey FFT algorithm

Fourier Series: Music from a Piano vs Keyboard

How does FFT work?

NTT for fast multiplication of polynomials over a finite field, and the connection to polynomial evaluation

Why, traditionally, does FFT use complex numbers as a wrapper for magnitude and phase?

Period-based Fast Fourier transform

Does the fast Fourier transform have equivalents in other transforms?

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