List questions from fourier-series

Published on 15 Apr 2026 - 3:53

772

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Pointwise version of Fejer's theorem (convergence of Cesaro means)

Published on 16 Apr 2026 - 4:24

213

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How to show that the Fourier's series of $f(x)=x$ uniformly converges?

Published on 13 Apr 2026 - 21:10

50

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How to find the Fourier's coefficient $a_n$ of the Fourier's series of $\sin(x)$ on $(0,\pi]$, $0$on $(-\pi,0]$

Published on 14 Apr 2026 - 8:33

69

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Complex coefficient in Fourier series

Published on 09 Apr 2026 - 20:13

69

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Deriving the coefficients during fourier analysis

Published on 10 Apr 2026 - 11:30

66

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Why does this Fourier inner product equal this sum?

Published on 14 Apr 2026 - 15:49

670

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$1 / (2 \pi)$ factor in Fourier transform

Published on 13 Apr 2026 - 20:46

269

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Asymptotic expansion of $f(x)= \sum_{n=1}^\infty \frac{\sin nx}{\sqrt{n}}$ at the origin

Published on 16 Apr 2026 - 6:06

905

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Fourier series of: $[\log(\sin x)]^2$

Published on 14 Apr 2026 - 23:30

692

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convergence of series in inner product space

Published on 13 Apr 2026 - 23:39

80

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Which initial functions can be solved by separation of variables

Published on 31 Mar 2026 - 11:52

492

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Definition of Fourier coefficients in PMA Rudin

Published on 17 Apr 2026 - 7:40

146

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Can an interpretation be given to arbitrary infinite sums of sines, as encountered in path integrals in QFT?

Published on 04 Apr 2026 - 5:42

152

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Fourier sine series

Published on 08 Apr 2026 - 21:17

List Question

Why are the Fourier's coefficient on $0,2\pi$ and $-\pi,\pi$ the same?

Pointwise version of Fejer's theorem (convergence of Cesaro means)

How to show that the Fourier's series of $f(x)=x$ uniformly converges?

How to find the Fourier's coefficient $a_n$ of the Fourier's series of $\sin(x)$ on $(0,\pi]$, $0$on $(-\pi,0]$

Complex coefficient in Fourier series

Deriving the coefficients during fourier analysis

Why does this Fourier inner product equal this sum?

$1 / (2 \pi)$ factor in Fourier transform

Asymptotic expansion of $f(x)= \sum_{n=1}^\infty \frac{\sin nx}{\sqrt{n}}$ at the origin

Fourier series of: $[\log(\sin x)]^2$

convergence of series in inner product space

Which initial functions can be solved by separation of variables

Definition of Fourier coefficients in PMA Rudin

Can an interpretation be given to arbitrary infinite sums of sines, as encountered in path integrals in QFT?

Fourier sine series

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