List questions from fourier-transform

Published on 17 Jan 2015 - 18:53

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Solve Heat Equation using Fourier Transform (non homogeneous)

Published on 08 Apr 2026 - 6:39

85

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Tempered distributions

Published on 03 Apr 2026 - 7:09

44.3k

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what is the Fourier cosine transform of $e^{-ax}$

Published on 09 Apr 2026 - 9:41

1.3k

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How can I remove correlated noise spikes from 2 signals?

Published on 25 Mar 2026 - 11:33

110

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Calculate Fourier transform of $V(r)=\frac{-g^2}{4\pi|r|}e^{-\mu|r|}$ in Quantum Field Theory

Published on 08 Nov 2015 - 20:01

3.4k

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Closed form for an integral involving the incomplete Gamma function?

Published on 05 Apr 2026 - 20:45

60

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Minimum size hypercube touching a vertex of a rotated hypercube

Published on 02 Jan 2016 - 19:14

2.8k

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Fourier Transform to solve Laplace's equation in cylindrical coordinates

Published on 01 Apr 2026 - 12:41

195

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Conservation law for Benjamin Ono equation

Published on 17 Mar 2026 - 14:01

101

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Sampling and the Discrete Fourier Transform

Published on 26 Mar 2026 - 11:21

7.7k

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Complexity of FFT algorithms (Cooley-Tukey, Bluestein, Prime-factor)

Published on 05 Apr 2026 - 22:10

1.1k

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Is Plancherel's theorem true for tempered distribution?

Published on 04 Apr 2026 - 16:21

15.9k

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What is the Fourier Transform of $f(x) = x^2$?

Published on 27 Mar 2026 - 8:19

10k

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Prove that the DFT Matrix is Unitary

Published on 27 Mar 2026 - 6:46

List Question

Proving that the characteristic function of $f(x)=\frac{1-\cos(x)}{\pi x^2}$ is $\max(1-|t|,0)$

Solve Heat Equation using Fourier Transform (non homogeneous)

Tempered distributions

what is the Fourier cosine transform of $e^{-ax}$

How can I remove correlated noise spikes from 2 signals?

Calculate Fourier transform of $V(r)=\frac{-g^2}{4\pi|r|}e^{-\mu|r|}$ in Quantum Field Theory

Closed form for an integral involving the incomplete Gamma function?

Minimum size hypercube touching a vertex of a rotated hypercube

Fourier Transform to solve Laplace's equation in cylindrical coordinates

Conservation law for Benjamin Ono equation

Sampling and the Discrete Fourier Transform

Complexity of FFT algorithms (Cooley-Tukey, Bluestein, Prime-factor)

Is Plancherel's theorem true for tempered distribution?

What is the Fourier Transform of $f(x) = x^2$?

Prove that the DFT Matrix is Unitary

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