List questions from fourier-transform

Published on 10 Apr 2026 - 18:04

175

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Bump function with fixed L1 norm on the Fourier side

Published on 13 Apr 2026 - 4:10

7.7k

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fourier transform normalization constant

Published on 10 Apr 2026 - 9:24

252

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Supremum norm of Schwartz function in the terms of its Fourier transform

Published on 12 Apr 2026 - 12:08

66

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How to compute $\int_{-\infty}^{+\infty}(\frac{\sin x}{x})^2(\frac{\sin ax}{ax})^2dx, a>0$?

Published on 26 Aug 2017 - 9:08

1.6k

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Characteristic functions as a Fourier transform

Published on 12 Apr 2026 - 17:04

2.8k

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Simple proof that Fourier transform is an isomorphism between $L^p$ spaces for $p \neq 2$?

Published on 13 Apr 2026 - 18:48

63

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Link of Wave equation to Helmhotz equation

Published on 08 Apr 2026 - 18:47

128

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Help finding Inverse Fourier Transform

Published on 11 Apr 2026 - 4:45

207

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roots of the discrete Fourier transform of a polynomial

Published on 12 Apr 2026 - 19:44

218

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Sample autocorrelation function from multiple realisations of a stochastic processs using the convolution theorem

Published on 12 Apr 2026 - 12:48

2.1k

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Fourier transform of 0.5^n u[n]

Published on 12 Apr 2026 - 12:51

643

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Why is the plot of bump function in two variables asymmetric?

Published on 11 Apr 2026 - 17:51

62

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Supports of partial inverse Fourier transforms of functions

Published on 11 Apr 2026 - 10:05

2.3k

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Fourier transform of cos(x)/x

Published on 11 Apr 2026 - 8:48

List Question

Solving nonhomogenous wave equation using Fourier transform

Bump function with fixed L1 norm on the Fourier side

fourier transform normalization constant

Supremum norm of Schwartz function in the terms of its Fourier transform

How to compute $\int_{-\infty}^{+\infty}(\frac{\sin x}{x})^2(\frac{\sin ax}{ax})^2dx, a>0$?

Characteristic functions as a Fourier transform

Simple proof that Fourier transform is an isomorphism between $L^p$ spaces for $p \neq 2$?

Link of Wave equation to Helmhotz equation

Help finding Inverse Fourier Transform

roots of the discrete Fourier transform of a polynomial

Sample autocorrelation function from multiple realisations of a stochastic processs using the convolution theorem

Fourier transform of 0.5^n u[n]

Why is the plot of bump function in two variables asymmetric?

Supports of partial inverse Fourier transforms of functions

Fourier transform of cos(x)/x

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