Question

Inverse Fourier Transform when the function is not surely integrable

score 46 · Answer 1 · 2026-04-08 19:05:17

46

Views

Inverse Fourier Transform when the function is not surely integrable

Published on 08 Apr 2026 - 19:05

score 54 · Answer 2 · 2026-04-10 16:52:15

54

Views

Convergence of distributions and Principal Value

Published on 10 Apr 2026 - 16:52

score 31 · Answer 3 · 2026-04-11 23:31:16

31

Views

Given a DFT $\hat{u}$, how to approximate the Fourier coefficient $\hat{u^2}$

Published on 11 Apr 2026 - 23:31

score 69 · Answer 4 · 2026-04-15 06:12:29

69

Views

$f$ and $\hat f$ are integrable, right-hand limit and left-hand limit exist, then two limits equal.

Published on 15 Apr 2026 - 6:12

score 84 · Answer 5 · 2026-04-15 06:52:02

84

Views

Difference between $L^2[0,2\pi]$ and $L^2(S^1)$

Published on 15 Apr 2026 - 6:52

score 65 · Answer 6 · 2026-04-12 00:02:31

65

Views

A Problem regarding the Mean Value Property of functions .

Published on 12 Apr 2026 - 0:02

score 203 · Answer 7 · 2026-04-16 13:53:35

203

Views

On the conditions of convergence in the generalized Riemann-Lebesgue lemma

Published on 16 Apr 2026 - 13:53

score 44 · Answer 8 · 2026-04-11 09:13:53

44

Views

Discrete-Time Fourier Transform of a non-absolutely-summable sequence

Published on 11 Apr 2026 - 9:13

score 50 · Answer 9 · 2026-04-11 23:43:32

50

Views

Convolution, Gaussianity and Polynomial Phase

Published on 11 Apr 2026 - 23:43

score 108 · Answer 10 · 2026-04-10 13:54:21

108

Views

Is an integrable function that is $\pi$-periodic and 1-periodic necessarily constant?

Published on 10 Apr 2026 - 13:54

score 169 · Answer 11 · 2026-04-15 05:37:37

169

Views

Determine the real Fourier series for $f(t) = t^2$ with $t \in [0, 1[$ which converges as quickly as possible

Published on 15 Apr 2026 - 5:37

score 181 · Answer 12 · 2026-04-16 05:08:22

181

Views

How do I prove that $\sum_{n=-\infty}^{\infty} \text{sinc}(n-a)\text{sinc}(n-b) = \operatorname{sinc}(b-a)$?

Published on 16 Apr 2026 - 5:08

score 30 · Answer 13 · 2026-04-13 13:11:26

30

Views

Equivalent trigonometric series solution to the Helmholtz equation

Published on 13 Apr 2026 - 13:11

score 128 · Answer 14 · 2026-04-12 21:35:28

128

Views

Fourier series of indicator function of an interval $[a,b]$ is convergent.

Published on 12 Apr 2026 - 21:35

score 30 · Answer 15 · 2026-04-15 08:56:52

30

Views

Very basic question : A sequence $\{a_n\}\in \ell^2$ determines a function $f\in L^2[-\pi,\pi]$ with Fourier coefficients $a_n$

Published on 15 Apr 2026 - 8:56

List Question

Inverse Fourier Transform when the function is not surely integrable

Convergence of distributions and Principal Value

Given a DFT $\hat{u}$, how to approximate the Fourier coefficient $\hat{u^2}$

$f$ and $\hat f$ are integrable, right-hand limit and left-hand limit exist, then two limits equal.

Difference between $L^2[0,2\pi]$ and $L^2(S^1)$

A Problem regarding the Mean Value Property of functions .

On the conditions of convergence in the generalized Riemann-Lebesgue lemma

Discrete-Time Fourier Transform of a non-absolutely-summable sequence

Convolution, Gaussianity and Polynomial Phase

Is an integrable function that is $\pi$-periodic and 1-periodic necessarily constant?

Determine the real Fourier series for $f(t) = t^2$ with $t \in [0, 1[$ which converges as quickly as possible

How do I prove that $\sum_{n=-\infty}^{\infty} \text{sinc}(n-a)\text{sinc}(n-b) = \operatorname{sinc}(b-a)$?

Equivalent trigonometric series solution to the Helmholtz equation

Fourier series of indicator function of an interval $[a,b]$ is convergent.

Very basic question : A sequence $\{a_n\}\in \ell^2$ determines a function $f\in L^2[-\pi,\pi]$ with Fourier coefficients $a_n$

Trending Questions

Popular # Hahtags

Popular Questions