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Coefficient of Fourier cosine & value of full series

score 457 · Answer 1 · 2015-02-16 16:24:16

457

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Coefficient of Fourier cosine & value of full series

Published on 16 Feb 2015 - 16:24

score 3.4k · Answer 2 · 2015-02-17 00:08:43

3.4k

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Find the Fourier Series of $e^x$

Published on 17 Feb 2015 - 0:08

score 2.3k · Answer 3 · 2015-02-17 21:51:31

2.3k

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Fundamental Fourier Series Question about a0 and am

Published on 17 Feb 2015 - 21:51

score 121 · Answer 4 · 2015-02-17 23:53:13

121

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sum of geometric series $\sum_{j=-N}^N e^{i \cdot j \cdot ξ \cdot λ}=\sin(N+{1\over 2}) \cdot (ξ \cdotλ)\over \sin({ξ \cdot λ \over 2})$

Published on 17 Feb 2015 - 23:53

score 317 · Answer 5 · 2015-02-18 04:30:39

317

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The product of trig polynomials is a a trig polynomial

Published on 18 Feb 2015 - 4:30

score 80 · Answer 6 · 2015-02-18 11:12:22

80

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Taylor series of $r:x \mapsto \begin{cases} e^{-{1\over x}}, & \text{if $x>0$} \\ 0, & \text{if $x \le 0$}\end{cases}$ at $0$

Published on 18 Feb 2015 - 11:12

score 775 · Answer 7 · 2026-04-11 17:50:28

775

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Finding Fourier series coefficients numerically

Published on 11 Apr 2026 - 17:50

score 243 · Answer 8 · 2026-04-11 06:06:35

243

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What's amiss in this Fourier convergence analysis?

Published on 11 Apr 2026 - 6:06

score 890 · Answer 9 · 2026-04-11 16:48:28

890

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how to find out how many Fourier coefficients there are (which are not zeros)

Published on 11 Apr 2026 - 16:48

score 1.6k · Answer 10 · 2026-03-25 22:04:16

1.6k

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Fourier Series of $\frac{\sin(x)}{x}$

Published on 25 Mar 2026 - 22:04

score 8.8k · Answer 11 · 2026-03-28 05:38:52

8.8k

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Why does a fourier series have a 1/2 in front of the a_0 coefficient

Published on 28 Mar 2026 - 5:38

score 60 · Answer 12 · 2026-04-06 01:07:54

60

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Possible existence of weight function $\rho (t)$

Published on 06 Apr 2026 - 1:07

score 4.8k · Answer 13 · 2015-02-24 07:36:13

4.8k

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Computing the Fourier series of $f = \cos{2x}$?

Published on 24 Feb 2015 - 7:36

score 158 · Answer 14 · 2015-02-24 13:28:28

158

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Convergence of $\frac{4}{\pi}\sum_{m=1}^{\infty}\frac{2m-1}{4m^2-4m-3}\sin[ (2m-1)x]$

Published on 24 Feb 2015 - 13:28

score 55 · Answer 15 · 2015-02-24 14:14:41

55

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Evaluate $\int_{-\pi}^{\pi} te^{-int} dt $

Published on 24 Feb 2015 - 14:14

List Question

Coefficient of Fourier cosine & value of full series

Find the Fourier Series of $e^x$

Fundamental Fourier Series Question about a0 and am

sum of geometric series $\sum_{j=-N}^N e^{i \cdot j \cdot ξ \cdot λ}=\sin(N+{1\over 2}) \cdot (ξ \cdotλ)\over \sin({ξ \cdot λ \over 2})$

The product of trig polynomials is a a trig polynomial

Taylor series of $r:x \mapsto \begin{cases} e^{-{1\over x}}, & \text{if $x>0$} \\ 0, & \text{if $x \le 0$}\end{cases}$ at $0$

Finding Fourier series coefficients numerically

What's amiss in this Fourier convergence analysis?

how to find out how many Fourier coefficients there are (which are not zeros)

Fourier Series of $\frac{\sin(x)}{x}$

Why does a fourier series have a 1/2 in front of the a_0 coefficient

Possible existence of weight function $\rho (t)$

Computing the Fourier series of $f = \cos{2x}$?

Convergence of $\frac{4}{\pi}\sum_{m=1}^{\infty}\frac{2m-1}{4m^2-4m-3}\sin[ (2m-1)x]$

Evaluate $\int_{-\pi}^{\pi} te^{-int} dt $

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