List questions from fourier-series

163

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When is it appropriate to neglect all terms after the first non-zero term of a Taylor expansion series?

Published on 13 Apr 2026 - 5:29

275

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Sets of Divergence for Fourier Partial Integals

Published on 13 Apr 2026 - 2:45

1.4k

Views

Solving wave equation by fourier method

Published on 11 Apr 2026 - 3:13

1.8k

Views

Solve one dimensional wave equation using fourier transform

Published on 11 Apr 2026 - 20:52

118

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Function Integrable in an improper sense that does not satisfy Riemann's Theorem

Published on 09 Apr 2026 - 20:50

65

Views

Increasing order of fourier coefficients on the boolean cube

Published on 09 Apr 2026 - 5:26

436

Views

$L^{2}$ Approximation Error of Fourier Series of Union of Disjoint Arcs

Published on 13 Apr 2026 - 7:23

1.4k

Views

Replicating Kolmogorov's Counterexample for Fourier Series in Context of Fourier Transforms

Published on 10 Apr 2026 - 13:36

2.2k

Views

Fourier series for $\sec(x)$

Published on 10 Apr 2026 - 18:03

388

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Proving a function is continuous and periodic

Published on 11 Apr 2026 - 22:26

39

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Let $A,B:V\to V$ positive definite operators in complex linear space with inner product $V$, $dimV<\infty$

Published on 09 Apr 2026 - 10:33

174

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What does $\Bbb R/2\pi$ for a set mean?

Published on 12 Apr 2026 - 11:45

81

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Find the fourier series of the function

Published on 27 Jun 2015 - 12:28

1.3k

Views

Prove that the following function is $C^{\infty}$

Published on 11 Apr 2026 - 19:13

57

Views

Prove that the following function is $C^\infty$

Published on 12 Apr 2026 - 7:54

List Question

When is it appropriate to neglect all terms after the first non-zero term of a Taylor expansion series?

Sets of Divergence for Fourier Partial Integals

Solving wave equation by fourier method

Solve one dimensional wave equation using fourier transform

Function Integrable in an improper sense that does not satisfy Riemann's Theorem

Increasing order of fourier coefficients on the boolean cube

$L^{2}$ Approximation Error of Fourier Series of Union of Disjoint Arcs

Replicating Kolmogorov's Counterexample for Fourier Series in Context of Fourier Transforms

Fourier series for $\sec(x)$

Proving a function is continuous and periodic

Let $A,B:V\to V$ positive definite operators in complex linear space with inner product $V$, $dimV<\infty$

What does $\Bbb R/2\pi$ for a set mean?

Find the fourier series of the function

Prove that the following function is $C^{\infty}$

Prove that the following function is $C^\infty$

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