List questions from fourier-analysis

55

Views

Intuition on a technical lemma to prove every multiply periodic function is a quotient of theta functions

Published on 09 Jun 2018 - 17:01

140

Views

Characterizing uniform probability on a finite group

Published on 27 Mar 2026 - 4:12

873

Views

Complex Fourier Series of $f(x)=x$ Query

Published on 26 Mar 2026 - 14:34

63

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Find the Fourier Series of $f(x)=1-6x^2+4x^3$

Published on 26 Mar 2026 - 14:35

154

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Eigensystem of a linear interpolation operator. How to explain / interpret?

Published on 25 Mar 2026 - 15:59

209

Views

Discussion on a beautiful function, $\sin(nx) / \sin x$

Published on 10 Jun 2018 - 17:13

177

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Fourier series /fourier transform proof

Published on 26 Mar 2026 - 17:52

47

Views

How about the Fourier transformation of $G(\theta,t)=1+2\sum_{n=1}^{\infty}e^{-n^2t}\cos n\theta$?

Published on 29 Mar 2026 - 15:16

459

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Calculation of $ \int\limits_{-\pi}^\pi \cos^4(x)dx$ using Fourier series of $\cos^2(x)$

Published on 26 Mar 2026 - 14:35

41

Views

get the n knowing Fourier coefficients

Published on 26 Mar 2026 - 16:23

575

Views

Multidimensional Fourier Transform of a Partial Differential Equation

Published on 25 Mar 2026 - 6:27

89

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Fourier transform via residues

Published on 26 Mar 2026 - 14:17

438

Views

Structure of tempered distribution

Published on 27 Mar 2026 - 2:14

164

Views

Auto-correlation function, an inverse problem

Published on 25 Mar 2026 - 1:13

14

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Variability of DFT coefficient with length

Published on 13 Jun 2018 - 21:20

List Question

Intuition on a technical lemma to prove every multiply periodic function is a quotient of theta functions

Characterizing uniform probability on a finite group

Complex Fourier Series of $f(x)=x$ Query

Find the Fourier Series of $f(x)=1-6x^2+4x^3$

Eigensystem of a linear interpolation operator. How to explain / interpret?

Discussion on a beautiful function, $\sin(nx) / \sin x$

Fourier series /fourier transform proof

How about the Fourier transformation of $G(\theta,t)=1+2\sum_{n=1}^{\infty}e^{-n^2t}\cos n\theta$?

Calculation of $ \int\limits_{-\pi}^\pi \cos^4(x)dx$ using Fourier series of $\cos^2(x)$

get the n knowing Fourier coefficients

Multidimensional Fourier Transform of a Partial Differential Equation

Fourier transform via residues

Structure of tempered distribution

Auto-correlation function, an inverse problem

Variability of DFT coefficient with length

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