Question

Are topologies induced by following families of seminorms same?

score 131 · Answer 1 · 2018-12-26 04:51:07

131

Views

Are topologies induced by following families of seminorms same?

Published on 26 Dec 2018 - 4:51

score 99 · Answer 2 · 2026-03-25 23:51:48

99

Views

Calculating a periodic signal (way of solving this)?

Published on 25 Mar 2026 - 23:51

score 35 · Answer 3 · 2018-12-28 03:44:45

35

Views

interpreting sound curves as sinogramms

Published on 28 Dec 2018 - 3:44

score 415 · Answer 4 · 2026-03-25 01:33:04

415

Views

Fourier Transform of Exponentially Decaying Function Cannot Have Compact Support

Published on 25 Mar 2026 - 1:33

score 453 · Answer 5 · 2026-03-25 17:20:04

453

Views

For a Schwartz function $f$, if $\int_{\mathbb{R}} f(x) x^n dx = 0$ for all nonnegative integers $n$, is $f$ identically 0?

Published on 25 Mar 2026 - 17:20

score 1k · Answer 6 · 2018-12-31 17:09:17

1k

Views

$f(x)=\sum_0^\infty\frac{\sin(2n +1) x}{2n+1}$ is the Fourier expansion of $(-1)^m\frac{\pi}{4}$ for $x\in (m\pi,(m+1)\pi),m\in \mathbb Z$.

Published on 31 Dec 2018 - 17:09

score 262 · Answer 7 · 2026-03-28 04:01:54

262

Views

2$\pi$-peridodic and continuous function with non summable Fourier coeffficients

Published on 28 Mar 2026 - 4:01

score 321 · Answer 8 · 2026-02-24 00:43:00

321

Views

What is the Fourier transform of the 2 dimensional airy function?

Published on 24 Feb 2026 - 0:43

score 90 · Answer 9 · 2026-03-27 04:59:35

90

Views

Fourier Expansion of a function on $\mathbb A_k/k$

Published on 27 Mar 2026 - 4:59

score 365 · Answer 10 · 2026-03-28 03:55:34

365

Views

The orthonormal basis $f_n(x) = e^{2\pi i nx}$ for $L^2(\mathbb R/\mathbb Z)$ defining Fourier series

Published on 28 Mar 2026 - 3:55

score 55 · Answer 11 · 2026-03-25 07:40:47

55

Views

Discrete Fourier transform of sampled sin function nothing like continuous?

Published on 25 Mar 2026 - 7:40

score 55 · Answer 12 · 2019-01-02 11:25:29

55

Views

How to prove that $\left|\sum_{k=0}^{n-1}\sin(2k+1)x\right|$ is bounded

Published on 02 Jan 2019 - 11:25

score 31 · Answer 13 · 2019-01-03 11:41:46

31

Views

Value of an integral depending on a function and its cosine transform

Published on 03 Jan 2019 - 11:41

score 1.3k · Answer 14 · 2026-02-23 01:20:01

1.3k

Views

Statement of Parseval's theorem for Fourier Transform

Published on 23 Feb 2026 - 1:20

score 101 · Answer 15 · 2026-03-26 22:26:09

101

Views

Show that $g_1(\mu_1,\sigma_1)\ast g_2(\mu_2,\sigma_2)=g\left(\mu_1+\mu_2,\sqrt{\sigma_1^2+\sigma_2^2}\right)$

Published on 26 Mar 2026 - 22:26

List Question

Are topologies induced by following families of seminorms same?

Calculating a periodic signal (way of solving this)?

interpreting sound curves as sinogramms

Fourier Transform of Exponentially Decaying Function Cannot Have Compact Support

For a Schwartz function $f$, if $\int_{\mathbb{R}} f(x) x^n dx = 0$ for all nonnegative integers $n$, is $f$ identically 0?

$f(x)=\sum_0^\infty\frac{\sin(2n +1) x}{2n+1}$ is the Fourier expansion of $(-1)^m\frac{\pi}{4}$ for $x\in (m\pi,(m+1)\pi),m\in \mathbb Z$.

2$\pi$-peridodic and continuous function with non summable Fourier coeffficients

What is the Fourier transform of the 2 dimensional airy function?

Fourier Expansion of a function on $\mathbb A_k/k$

The orthonormal basis $f_n(x) = e^{2\pi i nx}$ for $L^2(\mathbb R/\mathbb Z)$ defining Fourier series

Discrete Fourier transform of sampled sin function nothing like continuous?

How to prove that $\left|\sum_{k=0}^{n-1}\sin(2k+1)x\right|$ is bounded

Value of an integral depending on a function and its cosine transform

Statement of Parseval's theorem for Fourier Transform

Show that $g_1(\mu_1,\sigma_1)\ast g_2(\mu_2,\sigma_2)=g\left(\mu_1+\mu_2,\sqrt{\sigma_1^2+\sigma_2^2}\right)$

Trending Questions

Popular # Hahtags

Popular Questions