Question

Fourier decomposition of functions that have blowups at the origin

score 53 · Answer 1 · 2026-04-15 12:30:25

53

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Fourier decomposition of functions that have blowups at the origin

Published on 15 Apr 2026 - 12:30

score 197 · Answer 2 · 2026-04-09 09:46:32

197

Views

Finding $\sum_{n } \frac{1}{(n+a)^2}$ using Poisson Summation formula

Published on 09 Apr 2026 - 9:46

score 67 · Answer 3 · 2026-04-10 17:00:16

67

Views

How to procedurally generate deterministic, easily differentiable terrain?

Published on 10 Apr 2026 - 17:00

score 163 · Answer 4 · 2026-04-15 08:47:42

163

Views

Proving a set is dense in $L^1(\mathbb{R})$.

Published on 15 Apr 2026 - 8:47

score 40 · Answer 5 · 2026-04-09 23:00:52

40

Views

How to transform between different indexing of DFT

Published on 09 Apr 2026 - 23:00

score 92 · Answer 6 · 2026-04-10 21:54:37

92

Views

Fourier Transform Second Derivative $\cos$

Published on 10 Apr 2026 - 21:54

score 39 · Answer 7 · 2026-04-10 06:25:12

39

Views

How to invert the following operators with frequency and position based multipliers?

Published on 10 Apr 2026 - 6:25

score 69 · Answer 8 · 2026-03-25 17:39:30

69

Views

Asymptotic behavior of a Fourier integral

Published on 25 Mar 2026 - 17:39

score 176 · Answer 9 · 2026-04-14 21:05:06

176

Views

Proving that $\sum_{n=1}^{\infty} \frac{\sin(nx)}{n^\alpha}$ is not the Fourier Series of a Riemann Integrable function

Published on 14 Apr 2026 - 21:05

score 21 · Answer 10 · 2026-04-16 15:10:11

21

Views

Finding the Fourier dimension of an interval $[a, b]$, i.e. finding a compactly supported measure $m$ on$[a,b]$ such that $|\hat{m}(x)|\leq|x|^{-s/2}$

Published on 16 Apr 2026 - 15:10

score 41 · Answer 11 · 2026-04-12 03:41:00

41

Views

Computing a limit involving the integral of a piecewise continuous function and a positive summation kernel

Published on 12 Apr 2026 - 3:41

score 64 · Answer 12 · 2026-04-12 15:55:48

64

Views

Proof of Gibbs's phenomenon (general case)

Published on 12 Apr 2026 - 15:55

score 71 · Answer 13 · 2026-04-14 08:19:02

71

Views

Convergence in $L^2(\mathbb{R})$ to interchange integral and limit.

Published on 14 Apr 2026 - 8:19

score 57 · Answer 14 · 2026-04-14 19:17:16

57

Views

Calculating dot product of fourier amplitude spectra through quadratic form in signal space?

Published on 14 Apr 2026 - 19:17

score 70 · Answer 15 · 2026-04-13 14:27:25

70

Views

A question on the Riemann-Lebesgue Leamma

Published on 13 Apr 2026 - 14:27

List Question

Fourier decomposition of functions that have blowups at the origin

Finding $\sum_{n } \frac{1}{(n+a)^2}$ using Poisson Summation formula

How to procedurally generate deterministic, easily differentiable terrain?

Proving a set is dense in $L^1(\mathbb{R})$.

How to transform between different indexing of DFT

Fourier Transform Second Derivative $\cos$

How to invert the following operators with frequency and position based multipliers?

Asymptotic behavior of a Fourier integral

Proving that $\sum_{n=1}^{\infty} \frac{\sin(nx)}{n^\alpha}$ is not the Fourier Series of a Riemann Integrable function

Finding the Fourier dimension of an interval $[a, b]$, i.e. finding a compactly supported measure $m$ on$[a,b]$ such that $|\hat{m}(x)|\leq|x|^{-s/2}$

Computing a limit involving the integral of a piecewise continuous function and a positive summation kernel

Proof of Gibbs's phenomenon (general case)

Convergence in $L^2(\mathbb{R})$ to interchange integral and limit.

Calculating dot product of fourier amplitude spectra through quadratic form in signal space?

A question on the Riemann-Lebesgue Leamma

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