List questions from fourier-series

Published on 12 Apr 2026 - 17:58

213

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Maximize a sum of sinusoids with comensurable periods

Published on 13 Apr 2026 - 9:10

38

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Extract left- and right-going waves from FFT

Published on 13 Apr 2026 - 23:11

42

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Question regarding pointwise convergence of Fourier series

Published on 15 Apr 2026 - 5:45

213

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Confusion regard Fourier Series formulae

Published on 10 Apr 2026 - 15:33

77

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Pointwise convergence of a sequence of trigonometric polynomials with bounded number of nonzero terms

Published on 14 Apr 2026 - 1:08

312

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Fourier Series doubt

Published on 09 Apr 2026 - 18:46

1.5k

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express $a\sin(\omega t)$ as a fourier series. Is the solution $f(\omega t)=\frac{1}{2\pi}a$?

Published on 16 Apr 2026 - 3:22

80

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Integral computation involving $\sin^2 x$

Published on 15 Apr 2026 - 3:12

716

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Finding Fourier series of $\sin^2 x$ (STILL not clear - read comments)

Published on 17 Apr 2026 - 5:39

152

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Find $\lim_{n\to\infty}\int_{-\pi}^{\pi}f(t)\cos^2(nt) \,dt$

Published on 16 Apr 2026 - 7:04

592

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Fourier Series.

Published on 09 Apr 2026 - 9:28

75

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Convergence of a fourier series of $f(x)=1+\sin \frac {\pi^2}x$

Published on 15 Apr 2026 - 11:37

176

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Discrete fourier transform problem

Published on 11 Apr 2026 - 15:16

581

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Why does the Fourier series of $x$ not seem to give the right value?

Published on 12 Apr 2026 - 13:25

List Question

Fourier Series of $f(x) = 0$ from $(-\pi, 0)$, $x$ from $(0,\pi)$

Maximize a sum of sinusoids with comensurable periods

Extract left- and right-going waves from FFT

Question regarding pointwise convergence of Fourier series

Confusion regard Fourier Series formulae

Pointwise convergence of a sequence of trigonometric polynomials with bounded number of nonzero terms

Fourier Series doubt

express $a\sin(\omega t)$ as a fourier series. Is the solution $f(\omega t)=\frac{1}{2\pi}a$?

Integral computation involving $\sin^2 x$

Finding Fourier series of $\sin^2 x$ (STILL not clear - read comments)

Find $\lim_{n\to\infty}\int_{-\pi}^{\pi}f(t)\cos^2(nt) \,dt$

Fourier Series.

Convergence of a fourier series of $f(x)=1+\sin \frac {\pi^2}x$

Discrete fourier transform problem

Why does the Fourier series of $x$ not seem to give the right value?

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