Question

Linear independent set of function applied to water waves.

score 211 · Answer 1 · 2026-04-23 21:49:15

211

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Linear independent set of function applied to water waves.

Published on 23 Apr 2026 - 21:49

score 695 · Answer 2 · 2026-04-13 11:10:35

695

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Why does a function need to be bounded in order to have a Fourier series?

Published on 13 Apr 2026 - 11:10

score 80 · Answer 3 · 2026-04-12 03:34:15

80

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Fourier Tranform of piece wise function

Published on 12 Apr 2026 - 3:34

score 30 · Answer 4 · 2026-03-26 06:32:41

30

Views

Show that $ \sum_{\mathbb{Z}/N\mathbb{Z}} f(n) g(n+r)h(n+2r) = \sum_{a \in \mathbb{Z}/N\mathbb{Z}} \hat{f}(a)\hat{g}(-2a)\hat{h}(a)$

Published on 26 Mar 2026 - 6:32

score 634 · Answer 5 · 2026-04-17 15:05:20

634

Views

Evaluate the sum $\sum_{k=1}^\infty \big(\frac{1}{36k^2-1}+\frac{2}{(36k^2-1)^2}\big)$

Published on 17 Apr 2026 - 15:05

score 194 · Answer 6 · 2026-04-09 13:35:45

194

Views

Rudin's Real & Complex - Q9.11 (Fourier)

Published on 09 Apr 2026 - 13:35

score 70 · Answer 7 · 2026-04-14 18:32:36

70

Views

How to calculate the Fourier series of $\sin x-4\sin 3x+7$

Published on 14 Apr 2026 - 18:32

score 607 · Answer 8 · 2026-04-10 08:12:20

607

Views

Differentiability of Fourier Series

Published on 10 Apr 2026 - 8:12

score 95 · Answer 9 · 2026-04-10 02:39:56

95

Views

Finding the zero-state output

Published on 10 Apr 2026 - 2:39

score 34 · Answer 10 · 2026-04-14 02:16:09

34

Views

Algebra to Series Simplification

Published on 14 Apr 2026 - 2:16

score 814 · Answer 11 · 2026-04-10 20:04:48

814

Views

Intuition behind orthogonal sin functions

Published on 10 Apr 2026 - 20:04

score 323 · Answer 12 · 2026-04-16 22:55:06

323

Views

Show that there is $C_1,C_2$ s.t. $C_1\log(N)\leq\|D_N\|_{L^1(\mathbb S^1)}\leq C_2\log(N)$ where $D_N$ is the dirichelet kernel.

Published on 16 Apr 2026 - 22:55

score 2.2k · Answer 13 · 2026-04-15 21:15:13

2.2k

Views

Finding the Fourier series coefficients of $ \sin(4 \pi t) $

Published on 15 Apr 2026 - 21:15

score 6.1k · Answer 14 · 2026-04-14 07:05:06

6.1k

Views

Fourier cosine series for $\cos x$

Published on 14 Apr 2026 - 7:05

score 1.2k · Answer 15 · 2026-04-14 00:51:04

1.2k

Views

Convergence of the Fourier series of a continuously differentiable function

Published on 14 Apr 2026 - 0:51

List Question

Linear independent set of function applied to water waves.

Why does a function need to be bounded in order to have a Fourier series?

Fourier Tranform of piece wise function

Show that $ \sum_{\mathbb{Z}/N\mathbb{Z}} f(n) g(n+r)h(n+2r) = \sum_{a \in \mathbb{Z}/N\mathbb{Z}} \hat{f}(a)\hat{g}(-2a)\hat{h}(a)$

Evaluate the sum $\sum_{k=1}^\infty \big(\frac{1}{36k^2-1}+\frac{2}{(36k^2-1)^2}\big)$

Rudin's Real & Complex - Q9.11 (Fourier)

How to calculate the Fourier series of $\sin x-4\sin 3x+7$

Differentiability of Fourier Series

Finding the zero-state output

Algebra to Series Simplification

Intuition behind orthogonal sin functions

Show that there is $C_1,C_2$ s.t. $C_1\log(N)\leq\|D_N\|_{L^1(\mathbb S^1)}\leq C_2\log(N)$ where $D_N$ is the dirichelet kernel.

Finding the Fourier series coefficients of $ \sin(4 \pi t) $

Fourier cosine series for $\cos x$

Convergence of the Fourier series of a continuously differentiable function

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