List questions from fourier-transform

Published on 15 Apr 2026 - 8:25

1k

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Sine/cosine transforms and even/odd functions

Published on 27 Mar 2026 - 16:20

399

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Digital multiplication by FFT on big fixed precision digit numbers.

Published on 15 Apr 2026 - 4:54

893

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correct answer for Fourier Transform of $\cos(at+b)$

Published on 14 Apr 2026 - 18:16

78

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Proving that $\widehat{g*f}\in L^1(\mathbb{R})$ with $f(t) = \frac{1}{\sqrt{1 + t^4}}$ and $g(t) = e^{-|t|}$

Published on 17 Apr 2026 - 4:35

42

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different result of discrete fourier transform

Published on 13 Apr 2026 - 19:45

160

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Fast DCT code in C

Published on 17 Apr 2026 - 3:51

65

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Verify that convolution with $\exp(-|z|)$ gives a solution of $y''-y=f$

Published on 12 Apr 2026 - 23:46

220

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DFT of signal with mod

Published on 13 Apr 2026 - 17:55

60

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Finding Fourier Transforms

Published on 09 Apr 2026 - 15:25

266

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indefinite integral using Fourier transform

Published on 10 Apr 2026 - 5:48

183

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Solving an PDE with the Fourier Transform

Published on 14 Apr 2026 - 17:17

427

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Proof of Fourier Inversion Theorem in $\mathbb{R}^N$

Published on 13 Apr 2026 - 3:12

33

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Finding outputs of the given inputs by using transform techniques

Published on 14 Apr 2026 - 8:04

4.2k

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Fourier transform of sigmoid function

Published on 09 Apr 2026 - 1:18

List Question

Solve $f'=f$ using fourier transform.

Sine/cosine transforms and even/odd functions

Digital multiplication by FFT on big fixed precision digit numbers.

correct answer for Fourier Transform of $\cos(at+b)$

Proving that $\widehat{g*f}\in L^1(\mathbb{R})$ with $f(t) = \frac{1}{\sqrt{1 + t^4}}$ and $g(t) = e^{-|t|}$

different result of discrete fourier transform

Fast DCT code in C

Verify that convolution with $\exp(-|z|)$ gives a solution of $y''-y=f$

DFT of signal with mod

Finding Fourier Transforms

indefinite integral using Fourier transform

Solving an PDE with the Fourier Transform

Proof of Fourier Inversion Theorem in $\mathbb{R}^N$

Finding outputs of the given inputs by using transform techniques

Fourier transform of sigmoid function

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