List questions from fourier-transform

Published on 01 Apr 2026 - 4:17

42

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Is there a broader definition of the convolution operation?

Published on 25 Mar 2026 - 12:16

207

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Showing that $\int_{-\infty}^{\infty}\frac{x^2}{(x^2+a^2)(x^2+b^2)}dx=\frac{\pi}{a+b}$ via Fourier Transform

Published on 14 Apr 2020 - 23:33

31

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3D Integral with complex variable, similar to 3D Fourier transformation in shape

Published on 30 Mar 2026 - 5:25

65

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Determine function $f(x)$

Published on 15 Apr 2020 - 18:30

4.1k

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Fourier transform of the 2D Coulomb potential

Published on 14 Apr 2020 - 23:23

1.2k

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Express function as Fourier series expansion

Published on 16 Apr 2020 - 11:58

33

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Can someone explain why do we can split this integral with abs in exponent, by limiting the interval border?

Published on 16 Apr 2020 - 16:40

50

Views

How is it that the Fourier Transform is able to obtain the composite frequency of functions AND make differential equations easier to solve?

Published on 16 Apr 2020 - 22:53

617

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Computing the Fourier transform of a complex-valued function

Published on 17 Apr 2020 - 11:08

58

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Stochastic process simulation, periodogram implementation, MATLAB, frequecy range

Published on 25 Mar 2026 - 15:45

31

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Seeming discrepancy between two Fourier transforms

Published on 28 Mar 2026 - 0:46

242

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even Schwartz function produces radial Schwartz function

Published on 26 Mar 2026 - 5:56

101

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Extension of Fourier transform to $L^1$

Published on 18 Apr 2020 - 14:47

504

Views

Fourier transform of measure on $\mathbb{T}$

Published on 19 Apr 2020 - 1:41

List Question

Comparing the frequency scaling between two Fourier transforms

Is there a broader definition of the convolution operation?

Showing that $\int_{-\infty}^{\infty}\frac{x^2}{(x^2+a^2)(x^2+b^2)}dx=\frac{\pi}{a+b}$ via Fourier Transform

3D Integral with complex variable, similar to 3D Fourier transformation in shape

Determine function $f(x)$

Fourier transform of the 2D Coulomb potential

Express function as Fourier series expansion

Can someone explain why do we can split this integral with abs in exponent, by limiting the interval border?

How is it that the Fourier Transform is able to obtain the composite frequency of functions AND make differential equations easier to solve?

Computing the Fourier transform of a complex-valued function

Stochastic process simulation, periodogram implementation, MATLAB, frequecy range

Seeming discrepancy between two Fourier transforms

even Schwartz function produces radial Schwartz function

Extension of Fourier transform to $L^1$

Fourier transform of measure on $\mathbb{T}$

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