List questions from fourier-analysis

Published on 12 Apr 2026 - 21:03

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Can someone verify this Fourier series calculation?

Published on 11 Apr 2026 - 3:20

205

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dealing with a function $f$ that is a radial distribution.

Published on 12 Apr 2026 - 22:55

432

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Behavior of $I(n) = \int_{-\pi}^{\pi}\int_{-\pi}^{\pi}e^{ i n (x+y)}\,\frac{2\sin^2(x)\sin^2(y)}{2k -\cos(x)-\cos( y)}\,\mathrm{d}x\,\mathrm{d}y$

Published on 18 Feb 2020 - 17:11

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Prerequisites for Stein and Shakarchi Fourier Analysis

Published on 13 Apr 2026 - 7:56

64

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Minimizing $\int_{-\pi}^{\pi} |x^2 - A|^2dx$ using Fourier Series theory

Published on 13 Apr 2026 - 5:39

272

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Applying Fourier Inversion Formula.

Published on 13 Apr 2026 - 8:00

523

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Discrete Fourier Transform and Discrete Laplacian

Published on 19 Feb 2020 - 3:32

318

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Why do Fourier coefficients decay slower for unsmooth functions?

Published on 12 Apr 2026 - 14:28

2.2k

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What does spectrum of sin(t) looks like in real life?

Published on 13 Apr 2026 - 7:16

44

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Uniform convergence for the convolution of a low pass filter and a bounded variation function

Published on 01 Apr 2026 - 4:42

106

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Compute the Fourier transform of a function

Published on 10 Apr 2026 - 18:43

57

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Sobolev norm on Lawson's Spin Geometry book

Published on 11 Apr 2026 - 23:31

140

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About density of range of Fourier transform in $C_0$

Published on 12 Apr 2026 - 20:52

25

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Digital low pass filter using limited number of coefficent

Published on 27 Mar 2026 - 19:53

List Question

Expressing area under polar curve as Fourier coefficients

Can someone verify this Fourier series calculation?

dealing with a function $f$ that is a radial distribution.

Behavior of $I(n) = \int_{-\pi}^{\pi}\int_{-\pi}^{\pi}e^{ i n (x+y)}\,\frac{2\sin^2(x)\sin^2(y)}{2k -\cos(x)-\cos( y)}\,\mathrm{d}x\,\mathrm{d}y$

Prerequisites for Stein and Shakarchi Fourier Analysis

Minimizing $\int_{-\pi}^{\pi} |x^2 - A|^2dx$ using Fourier Series theory

Applying Fourier Inversion Formula.

Discrete Fourier Transform and Discrete Laplacian

Why do Fourier coefficients decay slower for unsmooth functions?

What does spectrum of sin(t) looks like in real life?

Uniform convergence for the convolution of a low pass filter and a bounded variation function

Compute the Fourier transform of a function

Sobolev norm on Lawson's Spin Geometry book

About density of range of Fourier transform in $C_0$

Digital low pass filter using limited number of coefficent

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