Question

Moving an integral to the inside of a sum

score 42 · Answer 1 · 2026-04-12 13:50:24

42

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Moving an integral to the inside of a sum

Published on 12 Apr 2026 - 13:50

score 189 · Answer 2 · 2026-04-12 06:23:34

189

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Moving an integral to the inside of a sum

Published on 12 Apr 2026 - 6:23

score 18 · Answer 3 · 2026-04-16 07:59:00

18

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Why is this step being taken when calculating a fourier series for $e^t$

Published on 16 Apr 2026 - 7:59

score 162 · Answer 4 · 2026-04-14 11:25:29

162

Views

Series of integer part using fractionnal part fourrier series

Published on 14 Apr 2026 - 11:25

score 54 · Answer 5 · 2026-04-15 12:53:46

54

Views

What implications does $\sum_{n=1}^\infty |a_n|^\beta<\infty, \ 0<\beta<1$ have for $\sum_{n=1}^\infty|a_n|$?

Published on 15 Apr 2026 - 12:53

score 146 · Answer 6 · 2026-04-14 13:08:04

146

Views

Show that the Fourier series for $f$ doesn't converge uniformly on $[-\pi,\pi]$.

Published on 14 Apr 2026 - 13:08

score 136 · Answer 7 · 2026-04-12 04:42:42

136

Views

What is the Jacobi-Anger expansion of the $k$'th functional iterate of the sine function?

Published on 12 Apr 2026 - 4:42

score 560 · Answer 8 · 2026-04-14 18:24:59

560

Views

Proving the Fourier equation: $\frac{1}{2} L - x = \frac{L}{\pi}\sum^\infty_{n=1}\frac{1}{n} \sin\frac{2n\pi x}{L}$

Published on 14 Apr 2026 - 18:24

score 92 · Answer 9 · 2026-04-08 17:24:10

92

Views

PDE variables separation problem

Published on 08 Apr 2026 - 17:24

score 696 · Answer 10 · 2026-04-14 05:29:16

696

Views

Finding a solution to $u_{tt} - c^2 u_{xx} = 0$ with Neumann boundary conditions using the method of separation of variables?

Published on 14 Apr 2026 - 5:29

score 211 · Answer 11 · 2026-04-11 08:01:03

211

Views

How to find average and power of signal expressed by fourier series

Published on 11 Apr 2026 - 8:01

score 407 · Answer 12 · 2026-04-12 01:48:41

407

Views

Exchanging definite integral and infinite sum in context of Fourier series

Published on 12 Apr 2026 - 1:48

score 132 · Answer 13 · 2026-05-04 20:25:42

132

Views

Uniform convergence of a Fourier series and calculating and infinite series

Published on 04 May 2026 - 20:25

score 33 · Answer 14 · 2026-04-14 07:19:32

33

Views

Show that if $f\in PC(2\pi)$and if $x_0,x\in[-\pi,\pi]$, then the Fourier series for $f$ can be integrated term-by-term.

Published on 14 Apr 2026 - 7:19

score 39 · Answer 15 · 2026-04-13 01:31:49

39

Views

Schwartz Inequality and the Norm Convergence Theorem

Published on 13 Apr 2026 - 1:31

List Question

Moving an integral to the inside of a sum

Moving an integral to the inside of a sum

Why is this step being taken when calculating a fourier series for $e^t$

Series of integer part using fractionnal part fourrier series

What implications does $\sum_{n=1}^\infty |a_n|^\beta<\infty, \ 0<\beta<1$ have for $\sum_{n=1}^\infty|a_n|$?

Show that the Fourier series for $f$ doesn't converge uniformly on $[-\pi,\pi]$.

What is the Jacobi-Anger expansion of the $k$'th functional iterate of the sine function?

Proving the Fourier equation: $\frac{1}{2} L - x = \frac{L}{\pi}\sum^\infty_{n=1}\frac{1}{n} \sin\frac{2n\pi x}{L}$

PDE variables separation problem

Finding a solution to $u_{tt} - c^2 u_{xx} = 0$ with Neumann boundary conditions using the method of separation of variables?

How to find average and power of signal expressed by fourier series

Exchanging definite integral and infinite sum in context of Fourier series

Uniform convergence of a Fourier series and calculating and infinite series

Show that if $f\in PC(2\pi)$and if $x_0,x\in[-\pi,\pi]$, then the Fourier series for $f$ can be integrated term-by-term.

Schwartz Inequality and the Norm Convergence Theorem

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