Question

How to do the 3D fourier transformation of the following equation?

score 124 · Answer 1 · 2026-04-13 02:04:46

124

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How to do the 3D fourier transformation of the following equation?

Published on 13 Apr 2026 - 2:04

score 81 · Answer 2 · 2026-04-12 20:26:26

81

Views

Green's function of $\vec\nabla\otimes\vec\nabla$

Published on 12 Apr 2026 - 20:26

score 57 · Answer 3 · 2026-04-10 17:34:24

57

Views

Differential equation problem with (I think) Fourier transform

Published on 10 Apr 2026 - 17:34

score 500 · Answer 4 · 2026-04-17 12:00:41

500

Views

Exercise 4.10 in Stein's Complex Analysis

Published on 17 Apr 2026 - 12:00

score 156 · Answer 5 · 2026-04-09 08:06:20

156

Views

Fourier inversion formula on locally compact abelian groups.

Published on 09 Apr 2026 - 8:06

score 63 · Answer 6 · 2026-04-08 18:25:16

63

Views

How to apply the Fourier sine transform on this equation?

Published on 08 Apr 2026 - 18:25

score 41 · Answer 7 · 2026-04-11 20:06:57

41

Views

Deriving an equality involving Fourier transform

Published on 11 Apr 2026 - 20:06

score 45 · Answer 8 · 2026-04-15 07:02:34

45

Views

When do integer dilations form a linearly independent set (or a basis)?

Published on 15 Apr 2026 - 7:02

score 194 · Answer 9 · 2026-04-10 11:53:17

194

Views

Fourier transform of $2\pi$-periodic function

Published on 10 Apr 2026 - 11:53

score 147 · Answer 10 · 2026-04-14 00:56:29

147

Views

Why is $\hat f(\xi)/\xi\in L^1(\mathbb R)$ when $f\in L^1$ is odd,$\hat f'(0)$ exists, and $\hat f(\xi)$ always has the same sign as $\xi$?

Published on 14 Apr 2026 - 0:56

score 54 · Answer 11 · 2026-04-14 05:14:55

54

Views

An apparent counterexample of the derivative proprety of Fourier transform

Published on 14 Apr 2026 - 5:14

score 38 · Answer 12 · 2026-04-12 09:18:27

38

Views

Fourier Transformation and Reverse FT of the delta function

Published on 12 Apr 2026 - 9:18

score 23 · Answer 13 · 2026-04-14 15:51:28

23

Views

Definition of Fourier Transform on $\frac{2\pi}{L}\mathbb{Z}^{d}$

Published on 14 Apr 2026 - 15:51

score 157 · Answer 14 · 2026-04-08 18:12:29

157

Views

Fourier transform of the sinc function using the duality theorem

Published on 08 Apr 2026 - 18:12

score 37 · Answer 15 · 2026-03-26 08:04:32

37

Views

Is there a relationship between the retrieved spectrum width with the ratio between actual spectrum width and resolution?

Published on 26 Mar 2026 - 8:04

List Question

How to do the 3D fourier transformation of the following equation?

Green's function of $\vec\nabla\otimes\vec\nabla$

Differential equation problem with (I think) Fourier transform

Exercise 4.10 in Stein's Complex Analysis

Fourier inversion formula on locally compact abelian groups.

How to apply the Fourier sine transform on this equation?

Deriving an equality involving Fourier transform

When do integer dilations form a linearly independent set (or a basis)?

Fourier transform of $2\pi$-periodic function

Why is $\hat f(\xi)/\xi\in L^1(\mathbb R)$ when $f\in L^1$ is odd,$\hat f'(0)$ exists, and $\hat f(\xi)$ always has the same sign as $\xi$?

An apparent counterexample of the derivative proprety of Fourier transform

Fourier Transformation and Reverse FT of the delta function

Definition of Fourier Transform on $\frac{2\pi}{L}\mathbb{Z}^{d}$

Fourier transform of the sinc function using the duality theorem

Is there a relationship between the retrieved spectrum width with the ratio between actual spectrum width and resolution?

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