List questions from fourier-series

Published on 14 Apr 2026 - 14:24

88

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Obtaining Fourier Coefficients without calculating them?

Published on 14 Apr 2026 - 16:02

45

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Prove that if $f(x)$ is even and $f(\frac{\pi}{2} + x) = - f(\frac{\pi}{2} - x)$ then it has a Fourier cosine expansion

Published on 17 Apr 2026 - 0:31

84

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Determine a formula for a given 'bn' in a Fourier representation

Published on 17 Apr 2026 - 7:41

27

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Suppose $f_n$ are $\tau$-periodic and converges uniformly to $f$. Is $f$ also $\tau$-periodic?

Published on 15 Apr 2026 - 12:28

1.7k

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Fourier Sine Series for $f(x) = 1 + x$ on the interval $[0,1]$

Published on 11 Apr 2026 - 22:29

155

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Fourier: $f(x) = x$ with $0 \leq x \leq 2\pi$ (Exercise almost solved)

Published on 17 Apr 2026 - 10:35

84

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Can someone explain period finding in either the Discrete or Quantum Fourier Transform (Shor's algorithm)

Published on 13 Apr 2026 - 5:14

273

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Fourier series and linear combination

Published on 11 Apr 2026 - 8:47

63

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Fourier transform for the a complex expression

Published on 09 Apr 2026 - 1:18

97

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Infinity norm inequality

Published on 13 Apr 2026 - 17:16

180

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Fourier coefficients of a square wave

Published on 11 Apr 2026 - 16:23

51

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Is this Fourier Series correct

Published on 15 Apr 2026 - 14:12

493

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Fourier series for $f(x)=e^{3|x|}$

Published on 12 Apr 2026 - 2:06

28

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So I am learning how to do Fourier series expansion

Published on 11 Apr 2026 - 18:22

List Question

Evaluate a sum using the Fourier series

Obtaining Fourier Coefficients without calculating them?

Prove that if $f(x)$ is even and $f(\frac{\pi}{2} + x) = - f(\frac{\pi}{2} - x)$ then it has a Fourier cosine expansion

Determine a formula for a given 'bn' in a Fourier representation

Suppose $f_n$ are $\tau$-periodic and converges uniformly to $f$. Is $f$ also $\tau$-periodic?

Fourier Sine Series for $f(x) = 1 + x$ on the interval $[0,1]$

Fourier: $f(x) = x$ with $0 \leq x \leq 2\pi$ (Exercise almost solved)

Can someone explain period finding in either the Discrete or Quantum Fourier Transform (Shor's algorithm)

Fourier series and linear combination

Fourier transform for the a complex expression

Infinity norm inequality

Fourier coefficients of a square wave

Is this Fourier Series correct

Fourier series for $f(x)=e^{3|x|}$

So I am learning how to do Fourier series expansion

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