Question

Derivation of Fourier's inversion theorem from Fourier series

score 41 · Answer 1 · 2019-06-23 15:01:59

41

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Derivation of Fourier's inversion theorem from Fourier series

Published on 23 Jun 2019 - 15:01

score 209 · Answer 2 · 2019-06-24 03:16:12

209

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Calculating Fourier Coefficients By Excel

Published on 24 Jun 2019 - 3:16

score 53 · Answer 3 · 2019-06-24 23:12:31

53

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Evaluating a series of Gaussians and Sines

Published on 24 Jun 2019 - 23:12

score 522 · Answer 4 · 2019-06-27 16:33:57

522

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Fourier coefficients are exponentially bounded for a real analytic, periodic function

Published on 27 Jun 2019 - 16:33

score 454 · Answer 5 · 2026-03-29 08:44:22

454

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How to find fundamental frequency of two signals?

Published on 29 Mar 2026 - 8:44

score 38 · Answer 6 · 2026-03-26 12:35:08

38

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Boundary of a Function from Bessel's Inequality

Published on 26 Mar 2026 - 12:35

score 654 · Answer 7 · 2019-07-01 08:25:59

654

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$f$ is continuous on the circle, and its Fourier series is absolutely convergent. Then its Fourier series converges uniformly to $f$.

Published on 01 Jul 2019 - 8:25

score 672 · Answer 8 · 2019-07-01 18:34:40

672

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Proof of Parseval´s Theorem

Published on 01 Jul 2019 - 18:34

score 96 · Answer 9 · 2019-07-02 11:09:15

96

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Unwanted curvature in fourier series

Published on 02 Jul 2019 - 11:09

score 59 · Answer 10 · 2019-07-04 17:32:21

59

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Find the sum of the infinite series given

Published on 04 Jul 2019 - 17:32

score 406 · Answer 11 · 2019-07-04 19:57:53

406

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If $f$ is a continuous function on $\Bbb R$ with period 2$\pi$ then $f$ can be approximated by a trigonometric polynomial

Published on 04 Jul 2019 - 19:57

score 153 · Answer 12 · 2019-07-06 14:29:35

153

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How can I write the fourier series for this piecewise defined function?

Published on 06 Jul 2019 - 14:29

score 71 · Answer 13 · 2019-07-06 17:20:23

71

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finding point of convergence for Fourier sine series

Published on 06 Jul 2019 - 17:20

score 63 · Answer 14 · 2026-03-25 03:04:17

63

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Show that if $|\hat{f}(n)|\le\frac{C}{|n|^{1+\alpha}}(n\ne0),\alpha\in(0,1)$ and $f\in C(T)$

Published on 25 Mar 2026 - 3:04

score 84 · Answer 15 · 2026-03-25 11:06:31

84

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Why does WolframAlpha omit the $n=4$ and $n=8$ term in this Fourier series?

Published on 25 Mar 2026 - 11:06

List Question

Derivation of Fourier's inversion theorem from Fourier series

Calculating Fourier Coefficients By Excel

Evaluating a series of Gaussians and Sines

Fourier coefficients are exponentially bounded for a real analytic, periodic function

How to find fundamental frequency of two signals?

Boundary of a Function from Bessel's Inequality

$f$ is continuous on the circle, and its Fourier series is absolutely convergent. Then its Fourier series converges uniformly to $f$.

Proof of Parseval´s Theorem

Unwanted curvature in fourier series

Find the sum of the infinite series given

If $f$ is a continuous function on $\Bbb R$ with period 2$\pi$ then $f$ can be approximated by a trigonometric polynomial

How can I write the fourier series for this piecewise defined function?

finding point of convergence for Fourier sine series

Show that if $|\hat{f}(n)|\le\frac{C}{|n|^{1+\alpha}}(n\ne0),\alpha\in(0,1)$ and $f\in C(T)$

Why does WolframAlpha omit the $n=4$ and $n=8$ term in this Fourier series?

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