Question

Proving that the function set $\{ (2/l)^{1/2}\sin(n-\frac{1}{2})(\pi x/l) \}_1^{\infty}$ is an orthonormal set

score 1.5k · Answer 1 · 2026-03-26 09:42:15

1.5k

Views

Proving that the function set $\{ (2/l)^{1/2}\sin(n-\frac{1}{2})(\pi x/l) \}_1^{\infty}$ is an orthonormal set

Published on 26 Mar 2026 - 9:42

score 56 · Answer 2 · 2026-04-03 10:55:50

56

Views

Apply the Fourier Transform to $A\cdot e^{-a|k - k_0|}$

Published on 03 Apr 2026 - 10:55

score 918 · Answer 3 · 2026-03-25 20:14:14

918

Views

An issue of applying Fubini's theorem in Fourier transform on Schwartz space.

Published on 25 Mar 2026 - 20:14

score 408 · Answer 4 · 2026-03-28 06:22:59

408

Views

Holomorphic Schwartz-space-valued function

Published on 28 Mar 2026 - 6:22

score 3.3k · Answer 5 · 2014-04-27 16:22:42

3.3k

Views

Multiply a circulant matrix by a vector with FFT.

Published on 27 Apr 2014 - 16:22

score 183 · Answer 6 · 2026-03-26 17:35:11

183

Views

Fourier Transform: why do all segments generate the same magnitude response?!

Published on 26 Mar 2026 - 17:35

score 45 · Answer 7 · 2014-04-28 23:34:56

45

Views

How do I tackle this integral: $\int_{-\infty}^\infty k\cdot |Ae^{-a|k-k_0|}|^2dk$? Is my solution correct?

Published on 28 Apr 2014 - 23:34

score 57.6k · Answer 8 · 2014-04-29 01:21:55

57.6k

Views

How to calculate the Fourier Transform of a constant?

Published on 29 Apr 2014 - 1:21

score 492 · Answer 9 · 2014-04-29 04:46:25

492

Views

Integrate $\int_{-\infty}^{\infty}\exp\left(-\frac{\pi^2t(2x+1)^2}{2c^2}\right)\cos\left(\frac{(2x+1)\pi y}{c}\right)\exp(-2\pi i kx)dx$

Published on 29 Apr 2014 - 4:46

score 678 · Answer 10 · 2014-04-29 10:33:47

678

Views

Trigonometric identity involving sum of "Dirichlet kernel like" fractions

Published on 29 Apr 2014 - 10:33

score 620 · Answer 11 · 2026-03-29 22:28:31

620

Views

abs(x)cos(x) in Fourier space

Published on 29 Mar 2026 - 22:28

score 396 · Answer 12 · 2026-03-31 16:26:42

396

Views

Fourier Transform on compact groups

Published on 31 Mar 2026 - 16:26

score 76 · Answer 13 · 2026-03-30 16:10:02

76

Views

pointwise limit of uniformly bounded sequence in $A(\mathbb T)$ is again in $A(\mathbb T)$?

Published on 30 Mar 2026 - 16:10

score 135 · Answer 14 · 2026-03-25 09:24:32

135

Views

Most computationally efficient way to find convolution of a matrix kernel with impulse response?

Published on 25 Mar 2026 - 9:24

score 779 · Answer 15 · 2026-03-26 11:05:06

779

Views

Good family of kernels in $\mathbb{R}^n$

Published on 26 Mar 2026 - 11:05

List Question

Proving that the function set $\{ (2/l)^{1/2}\sin(n-\frac{1}{2})(\pi x/l) \}_1^{\infty}$ is an orthonormal set

Apply the Fourier Transform to $A\cdot e^{-a|k - k_0|}$

An issue of applying Fubini's theorem in Fourier transform on Schwartz space.

Holomorphic Schwartz-space-valued function

Multiply a circulant matrix by a vector with FFT.

Fourier Transform: why do all segments generate the same magnitude response?!

How do I tackle this integral: $\int_{-\infty}^\infty k\cdot |Ae^{-a|k-k_0|}|^2dk$? Is my solution correct?

How to calculate the Fourier Transform of a constant?

Integrate $\int_{-\infty}^{\infty}\exp\left(-\frac{\pi^2t(2x+1)^2}{2c^2}\right)\cos\left(\frac{(2x+1)\pi y}{c}\right)\exp(-2\pi i kx)dx$

Trigonometric identity involving sum of "Dirichlet kernel like" fractions

abs(x)cos(x) in Fourier space

Fourier Transform on compact groups

pointwise limit of uniformly bounded sequence in $A(\mathbb T)$ is again in $A(\mathbb T)$?

Most computationally efficient way to find convolution of a matrix kernel with impulse response?

Good family of kernels in $\mathbb{R}^n$

Trending Questions

Popular # Hahtags

Popular Questions