List questions from fourier-analysis

Published on 27 Mar 2026 - 7:17

90

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Integral for $\frac{x}{x^2+1}cosx$

Published on 18 Oct 2014 - 14:53

529

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Strange thing about Weak Maximum\Minimum Principle?

Published on 27 Mar 2026 - 15:59

410

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A Direct Proof of Representation Theorem for Positive Harmonic Functions in the Half Plane?

Published on 28 Mar 2026 - 6:40

1.2k

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Writing a function in terms of the rect and delta functions.

Published on 27 Mar 2026 - 7:13

33

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Prove that $\hat{f}(n)={\frac{2}{\pi(1-4n^2)}}$, given that $f(x)=|sin(\pi x)|$

Published on 19 Oct 2014 - 9:17

48

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Solve this integral with transformations

Published on 19 Oct 2014 - 10:26

73

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Setting up my Fourier series for $B_n$

Published on 02 Apr 2026 - 18:47

1.5k

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sinc in 2d: how to interprete this in spatial domain?

Published on 25 Mar 2026 - 17:43

39

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Simplification of a large sum obtained from the 1-D wave equation

Published on 20 Oct 2014 - 0:37

121

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Mellin transform on $\mathbb{Z}[\omega]$

Published on 07 Apr 2026 - 19:16

31

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An integral converges- Analysis Fourier

Published on 07 Apr 2026 - 23:03

112

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Help solving $\frac{\partial^3u}{\partial x^3}=\frac{\partial u}{\partial t}$ using Fourier transforms

Published on 20 Oct 2014 - 14:03

339

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Fourier Transform solution of $\frac{\partial u}{\partial t} = \frac{\partial^2 u}{\partial x^2} - u$

Published on 21 Oct 2014 - 3:20

47

Views

Find inverse Laplace transform of $H(s)=\frac8{s^4+4}$

Published on 31 Mar 2026 - 3:39

List Question

Is it always the case that lower frequencies contribute the most in a Fourier series?

Integral for $\frac{x}{x^2+1}cosx$

Strange thing about Weak Maximum\Minimum Principle?

A Direct Proof of Representation Theorem for Positive Harmonic Functions in the Half Plane?

Writing a function in terms of the rect and delta functions.

Prove that $\hat{f}(n)={\frac{2}{\pi(1-4n^2)}}$, given that $f(x)=|sin(\pi x)|$

Solve this integral with transformations

Setting up my Fourier series for $B_n$

sinc in 2d: how to interprete this in spatial domain?

Simplification of a large sum obtained from the 1-D wave equation

Mellin transform on $\mathbb{Z}[\omega]$

An integral converges- Analysis Fourier

Help solving $\frac{\partial^3u}{\partial x^3}=\frac{\partial u}{\partial t}$ using Fourier transforms

Fourier Transform solution of $\frac{\partial u}{\partial t} = \frac{\partial^2 u}{\partial x^2} - u$

Find inverse Laplace transform of $H(s)=\frac8{s^4+4}$

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