List questions from fourier-series

Published on 11 Apr 2026 - 2:59

155

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A PDE problem about $(\partial_x^2 + \partial_t^2)u = 0$ using Fourier series.

Published on 16 Apr 2026 - 21:47

2.2k

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generating a random periodic function with bounded amplitude and bounded fourier coefficients

Published on 12 Apr 2026 - 13:39

1.1k

Views

Further studies on Fourier Series and Integrals.

Published on 10 Apr 2026 - 9:26

531

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Conceptual question about Discrete Fourier Transform

Published on 10 Apr 2026 - 12:09

3.5k

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Fourier Series of $f$ on the given interval

Published on 14 Apr 2026 - 6:48

321

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Uniform boundedness of Fourier series of indicator functions

Published on 15 Apr 2026 - 12:44

70

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Positive functions with negative Fourier tail

Published on 11 Apr 2026 - 16:53

2.4k

Views

Fourier Transform and amplitude of waves

Published on 11 Apr 2026 - 1:33

5.8k

Views

Find Fourier Series of the function $f(x)= \sin x \cos(2x) $

Published on 15 Apr 2026 - 22:01

418

Views

Fourier integral representations using only cosine functions.

Published on 12 Apr 2026 - 8:58

348

Views

Inverse Fourier transform to find out $\hat c_1$

Published on 16 Apr 2026 - 9:08

611

Views

Prove $\left|\sum\limits_{k=2001}^{m}a_{k}\sin{(kx)}\right|\le 1+\pi $ ,$m\ge 2001,x\in R$

Published on 16 Apr 2026 - 5:30

260

Views

Exponential Fourier Series.

Published on 13 Apr 2026 - 17:16

299

Views

Convergence of eigenmodes of a Sturm Liouville operator.

Published on 11 Apr 2026 - 7:00

List Question

calculation wave function

A PDE problem about $(\partial_x^2 + \partial_t^2)u = 0$ using Fourier series.

generating a random periodic function with bounded amplitude and bounded fourier coefficients

Further studies on Fourier Series and Integrals.

Conceptual question about Discrete Fourier Transform

Fourier Series of $f$ on the given interval

Uniform boundedness of Fourier series of indicator functions

Positive functions with negative Fourier tail

Fourier Transform and amplitude of waves

Find Fourier Series of the function $f(x)= \sin x \cos(2x) $

Fourier integral representations using only cosine functions.

Inverse Fourier transform to find out $\hat c_1$

Prove $\left|\sum\limits_{k=2001}^{m}a_{k}\sin{(kx)}\right|\le 1+\pi $ ,$m\ge 2001,x\in R$

Exponential Fourier Series.

Convergence of eigenmodes of a Sturm Liouville operator.

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