List questions from fast-fourier-transform

Published on 11 Mar 2022 - 0:25

97

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Consistency in definition of Fast Fourier Transform

Published on 22 Mar 2022 - 19:32

92

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FFT energy calculation by frequency

Published on 31 Mar 2022 - 12:06

221

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Fast Multiplication of matrix and vector

Published on 25 Mar 2026 - 11:10

116

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Fourier transform of $|t|^{-n}$

Published on 19 Apr 2022 - 10:26

71

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Why does Fourier transform gives the correct amplitudes?

Published on 24 Apr 2022 - 16:28

61

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Fourier transform of $f(x)=\frac{1}{1+|x|^n}$ and $f(t)=\frac{1}{\left(1+|x|\right)^n}$ where $n>0$

Published on 25 Apr 2022 - 5:11

107

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Finding the second derivative using DFT

Published on 28 Apr 2022 - 9:27

127

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FFT ELI5 - I mostly get it, but not quite - is my understanding of frames/windows off?

Published on 30 Apr 2022 - 17:49

160

Views

How can the Cooley-Tukey algorithm for multiplying polynomials be implemented without approximations?

Published on 01 May 2022 - 16:01

346

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FFT stride pattern formula

Published on 03 May 2022 - 8:02

107

Views

Propagating error through a Fast Fourier transform

Published on 26 Mar 2026 - 17:29

164

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How to compute the Fourier transform of a zero-centered Gaussian pulse over a specified range, say $[0,1]$?

Published on 17 May 2022 - 11:58

301

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Relationship between a vector and its discrete fourier transform

Published on 18 May 2022 - 21:21

332

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Discrete Fourier Transform, even and odd components

Published on 25 May 2022 - 15:27

List Question

Constraining input to an inverse Fourier transform to give real-only output

Consistency in definition of Fast Fourier Transform

FFT energy calculation by frequency

Fast Multiplication of matrix and vector

Fourier transform of $|t|^{-n}$

Why does Fourier transform gives the correct amplitudes?

Fourier transform of $f(x)=\frac{1}{1+|x|^n}$ and $f(t)=\frac{1}{\left(1+|x|\right)^n}$ where $n>0$

Finding the second derivative using DFT

FFT ELI5 - I mostly get it, but not quite - is my understanding of frames/windows off?

How can the Cooley-Tukey algorithm for multiplying polynomials be implemented without approximations?

FFT stride pattern formula

Propagating error through a Fast Fourier transform

How to compute the Fourier transform of a zero-centered Gaussian pulse over a specified range, say $[0,1]$?

Relationship between a vector and its discrete fourier transform

Discrete Fourier Transform, even and odd components

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