List questions from fourier-series

Published on 26 Nov 2018 - 10:23

526

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Use orthogonality to proof Parseval's identity for the general Fourier series written as the power spectrum

Published on 26 Nov 2018 - 17:22

125

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Are the period of signal and its fourier coefficient the same?

Published on 28 Nov 2018 - 2:39

2.2k

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Fourier series of Heaviside step function?

Published on 23 Feb 2026 - 4:17

35

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Is it possible to construct a trigonometric series convergent in $(0,1)$ while divergent in $(2,3)$?

Published on 28 Nov 2018 - 23:10

265

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Constants for a solution to the Laplace equation

Published on 29 Nov 2018 - 4:49

77

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Can $\int_{-\pi}^\pi e^{\cos(\theta)}\sin(\sin(\theta))\sin(nx)dx=\frac{\pi}{n!}$ be extened to non-integers?

Published on 26 Mar 2026 - 13:02

62

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Prove fourier coefficients of an odd discrete signal is $a_n = -a_{-n}$

Published on 30 Nov 2018 - 20:00

33

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Find Fourier coefficients of discrete odd signal

Published on 30 Nov 2018 - 20:30

2.4k

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How to calculate 8-point FFT of data by hand

Published on 25 Mar 2026 - 16:01

62

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Find $\|f\|^2$ in two ways

Published on 02 Dec 2018 - 0:16

60

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Fourier series with complex coefficients

Published on 03 Dec 2018 - 17:05

43

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Fourier Analysis: Prove $c_n=a_nb_n$

Published on 03 Dec 2018 - 19:13

76

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Generated space by the harmonic oscillators $e^{iw}$.

Published on 26 Mar 2026 - 6:19

1.3k

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Wave Equation and Fourier Series

Published on 25 Mar 2026 - 10:55

List Question

Does $\cos\left(\frac{2\pi}2\right) = 0$?

Use orthogonality to proof Parseval's identity for the general Fourier series written as the power spectrum

Are the period of signal and its fourier coefficient the same?

Fourier series of Heaviside step function?

Is it possible to construct a trigonometric series convergent in $(0,1)$ while divergent in $(2,3)$?

Constants for a solution to the Laplace equation

Can $\int_{-\pi}^\pi e^{\cos(\theta)}\sin(\sin(\theta))\sin(nx)dx=\frac{\pi}{n!}$ be extened to non-integers?

Prove fourier coefficients of an odd discrete signal is $a_n = -a_{-n}$

Find Fourier coefficients of discrete odd signal

How to calculate 8-point FFT of data by hand

Find $\|f\|^2$ in two ways

Fourier series with complex coefficients

Fourier Analysis: Prove $c_n=a_nb_n$

Generated space by the harmonic oscillators $e^{iw}$.

Wave Equation and Fourier Series

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