List questions from fourier-series

102

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Find the Fourier Series for $f(x)=$ { $1$ from $-\frac{\pi}{2} < x < \frac{\pi}{2}$ , $-1$ from $\frac{\pi}{2} < x < \frac{3\pi}{2}$ }

Published on 13 Apr 2026 - 17:24

992

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Fourier Series of periodic square wave centered at zero using complex exponentials

Published on 11 Apr 2026 - 3:15

3.3k

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Find a continuous solution to dy/dx + y = f(x)

Published on 16 Apr 2026 - 22:50

36

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Derivation of Fourier Series of a Real Signal

Published on 14 Apr 2026 - 11:31

275

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Evaluate an infinite sum using Fourier series

Published on 16 Apr 2026 - 18:53

27

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$f\in C^{0}[-L,L]$ with period $2L$ and $\sum n(|a_{n}|+|b_{n}|)<\infty$

Published on 17 Apr 2026 - 9:53

340

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Computing infinite sum using Parseval's theorem

Published on 14 Apr 2026 - 17:20

1.9k

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Show that integral of even $\times$ odd = 0, even $\times$ even is not necessarily zero

Published on 18 Apr 2026 - 22:37

77

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Convolution with Cotangent function

Published on 12 Apr 2026 - 10:11

45

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Unknown identities used in Fourier series

Published on 12 Apr 2026 - 6:39

9k

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Euler's formula in a Fourier series

Published on 18 Apr 2026 - 22:31

2.3k

Views

Fourier series coefficients without integrals

Published on 10 Apr 2026 - 5:16

77

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Fit a fourier expansion to some data

Published on 08 Apr 2026 - 20:09

28

Views

Discrepancy between Fourier Coefficents Formula (a_0)

Published on 09 Apr 2026 - 7:53

90

Views

Definite integration, little bit tough with integration by parts.

Published on 05 May 2026 - 4:12

List Question

Find the Fourier Series for $f(x)=$ { $1$ from $-\frac{\pi}{2} < x < \frac{\pi}{2}$ , $-1$ from $\frac{\pi}{2} < x < \frac{3\pi}{2}$ }

Fourier Series of periodic square wave centered at zero using complex exponentials

Find a continuous solution to dy/dx + y = f(x)

Derivation of Fourier Series of a Real Signal

Evaluate an infinite sum using Fourier series

$f\in C^{0}[-L,L]$ with period $2L$ and $\sum n(|a_{n}|+|b_{n}|)<\infty$

Computing infinite sum using Parseval's theorem

Show that integral of even $\times$ odd = 0, even $\times$ even is not necessarily zero

Convolution with Cotangent function

Unknown identities used in Fourier series

Euler's formula in a Fourier series

Fourier series coefficients without integrals

Fit a fourier expansion to some data

Discrepancy between Fourier Coefficents Formula (a_0)

Definite integration, little bit tough with integration by parts.

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