List questions from fourier-analysis

Published on 25 Mar 2026 - 21:45

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1D FFT on rotated image column by column

Published on 16 Apr 2026 - 4:19

86

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What is $\lim_{n \to \infty} n^3 a_n$?

Published on 13 Apr 2026 - 18:25

215

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Bessel equation of half-order (asymptotic)

Published on 15 Apr 2026 - 4:19

7.3k

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Fourier analysis notation - Sh and Ch

Published on 13 Apr 2026 - 7:22

1.4k

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Fourier transform is real if $f$

Published on 14 Apr 2026 - 20:23

63

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Finding the eigenvalues and eigenfunction (tricky)

Published on 11 Apr 2026 - 2:54

72

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In what sense is the Schwarz class of functions a "class"?

Published on 12 Apr 2026 - 13:14

265

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What if the Fourier series of a periodic function also has periodic coefficients $a_k$

Published on 15 Apr 2026 - 14:32

225

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An equality about Fourier transform

Published on 13 Apr 2026 - 8:23

34

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Cropping off the Taylor Series

Published on 14 Apr 2026 - 19:39

33k

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Dirac Delta function inverse Fourier transform

Published on 14 Apr 2026 - 10:28

231

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Dirac Delta function inverse Fourier transform

Published on 13 Apr 2026 - 19:47

165

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When is it appropriate to neglect all terms after the first non-zero term of a Taylor expansion series?

Published on 16 Apr 2026 - 16:42

1.9k

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Fourier transform of cosine with square root

Published on 10 Apr 2026 - 16:03

List Question

A Hölder continuous function whose Fourier coefficients do not decay very fast

1D FFT on rotated image column by column

What is $\lim_{n \to \infty} n^3 a_n$?

Bessel equation of half-order (asymptotic)

Fourier analysis notation - Sh and Ch

Fourier transform is real if $f$

Finding the eigenvalues and eigenfunction (tricky)

In what sense is the Schwarz class of functions a "class"?

What if the Fourier series of a periodic function also has periodic coefficients $a_k$

An equality about Fourier transform

Cropping off the Taylor Series

Dirac Delta function inverse Fourier transform

Dirac Delta function inverse Fourier transform

When is it appropriate to neglect all terms after the first non-zero term of a Taylor expansion series?

Fourier transform of cosine with square root

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