List questions from fourier-series

Published on 12 Apr 2026 - 6:35

397

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Fourier coefficients and series for $x\sin(x)$

Published on 13 Apr 2026 - 5:23

196

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A uniform bound on a family of complex integrals

Published on 14 Apr 2026 - 11:49

234

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Fourier tricks for $f(x)=\sin(x)+x\cos(x)$

Published on 13 Apr 2026 - 15:10

567

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Fourier series derivatives and convergence

Published on 17 Apr 2026 - 18:18

73

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Is the Fourier series independent from the basis used in its calculation?

Published on 12 Apr 2026 - 14:26

47

Views

Fourier series with odd coefficients

Published on 09 Apr 2026 - 14:33

208

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For the Fourier transform, when simplifying an integral's bounds by ignoring where half of it equals 0, why don't we divide by two?

Published on 26 Apr 2026 - 3:45

247

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Must a continuous function with finitely many strict extrema on a closed interval have bounded variation? And Pointwise convergence of Fourier series

Published on 12 Apr 2026 - 3:47

1.3k

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Formula for Fourier series for rectangular pulse train?

Published on 11 Apr 2026 - 2:58

125

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Effective estimation for sums of Fourier coefficients

Published on 09 Apr 2026 - 4:38

493

Views

The Double Basel Problem

Published on 12 Apr 2026 - 20:53

80

Views

The Double Basel Problem Revisited

Published on 12 Apr 2026 - 20:53

357

Views

Non-negativity of the Fourier series

Published on 09 Apr 2026 - 10:40

1.2k

Views

Dirichlet integral integrates to $\pi$

Published on 10 Apr 2026 - 16:05

List Question

how to get coefficient in a Fourier series in an ODE

Fourier coefficients and series for $x\sin(x)$

A uniform bound on a family of complex integrals

Fourier tricks for $f(x)=\sin(x)+x\cos(x)$

Fourier series derivatives and convergence

Is the Fourier series independent from the basis used in its calculation?

Fourier series with odd coefficients

For the Fourier transform, when simplifying an integral's bounds by ignoring where half of it equals 0, why don't we divide by two?

Must a continuous function with finitely many strict extrema on a closed interval have bounded variation? And Pointwise convergence of Fourier series

Formula for Fourier series for rectangular pulse train?

Effective estimation for sums of Fourier coefficients

The Double Basel Problem

The Double Basel Problem Revisited

Non-negativity of the Fourier series

Dirichlet integral integrates to $\pi$

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