List questions from fourier-analysis

Published on 25 Mar 2026 - 11:09

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Convolution theorem with distributions

Published on 27 Mar 2026 - 10:55

1.1k

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Fourier transform of some tempered distributions

Published on 24 Mar 2026 - 23:44

30

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$\left( \partial^2_{xy} + \partial^2_{xz} + \partial^2_{yz} \right)u(x,y,z) = \delta(x,y,z)$

Published on 25 Mar 2026 - 6:04

182

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Comparing analytical Fourier transform with FFTs

Published on 25 Mar 2026 - 7:31

84

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Proving $\frac{π^2}8=\sum\limits_{n=1}^\infty\frac1{(2n - 1)^2}$ using Fourier series

Published on 25 Mar 2026 - 14:26

202

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Trigonometric functions separates the points

Published on 25 Mar 2026 - 15:54

275

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Taking the derivative of the limit representation of the Heaviside function

Published on 25 Mar 2026 - 1:37

3.3k

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Find the Fourier transform of the absolute value of a function, given its Fourier transform

Published on 25 Mar 2026 - 9:27

137

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Positivity of Fourier transform of a perturbed Gaussian

Published on 25 Mar 2026 - 11:04

367

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Fourier series for $a_k$

Published on 25 Mar 2026 - 11:10

552

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Plancherel for tempered distributions, and when does equality as tempered distributions imply equality as functions.

Published on 25 Mar 2026 - 3:01

1.3k

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Fourier Transform of a Gaussian Function in the Complex Domain - is it trivial?

Published on 25 Mar 2026 - 9:26

25

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Can any Fourier series be interpreted as a (non-)linear regression model

Published on 25 Mar 2026 - 12:49

101

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How do I show this fourier series relationship?

Published on 12 Mar 2018 - 17:38

List Question

Evaluating Fourier Series

Convolution theorem with distributions

Fourier transform of some tempered distributions

$\left( \partial^2_{xy} + \partial^2_{xz} + \partial^2_{yz} \right)u(x,y,z) = \delta(x,y,z)$

Comparing analytical Fourier transform with FFTs

Proving $\frac{π^2}8=\sum\limits_{n=1}^\infty\frac1{(2n - 1)^2}$ using Fourier series

Trigonometric functions separates the points

Taking the derivative of the limit representation of the Heaviside function

Find the Fourier transform of the absolute value of a function, given its Fourier transform

Positivity of Fourier transform of a perturbed Gaussian

Fourier series for $a_k$

Plancherel for tempered distributions, and when does equality as tempered distributions imply equality as functions.

Fourier Transform of a Gaussian Function in the Complex Domain - is it trivial?

Can any Fourier series be interpreted as a (non-)linear regression model

How do I show this fourier series relationship?

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