Question

Squaring the output of a frequency-time space conversion map

score 291 · Answer 1 · 2026-04-01 10:41:32

291

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Squaring the output of a frequency-time space conversion map

Published on 01 Apr 2026 - 10:41

score 64 · Answer 2 · 2026-04-03 22:07:43

64

Views

Kummer's Fourier expansion for $\ln\Gamma(x)$ derivation: cosine integral series expansion

Published on 03 Apr 2026 - 22:07

score 74 · Answer 3 · 2026-03-26 07:58:38

74

Views

Legendre expansion of a root polynomial

Published on 26 Mar 2026 - 7:58

score 61 · Answer 4 · 2023-05-14 22:22:46

61

Views

Does piecewise continuity of $f'$ imply piecewise continuity of $f$?

Published on 14 May 2023 - 22:22

score 83 · Answer 5 · 2023-05-15 11:19:27

83

Views

Why is a Fourier series the same on $[-3,3]$ and on $[-\pi,\pi]$?

Published on 15 May 2023 - 11:19

score 70 · Answer 6 · 2026-03-26 06:30:13

70

Views

Fourier Series - working out relationship between $C_n$ and $A_n,B_n$

Published on 26 Mar 2026 - 6:30

score 29 · Answer 7 · 2026-03-25 23:43:59

29

Views

Reversal of Variable Transformation in the Solution of Inhomogeneous Dirichlet PDE

Published on 25 Mar 2026 - 23:43

score 96 · Answer 8 · 2023-05-25 18:28:20

96

Views

What is the sum of this series? $\sum_{p=1}^{\infty} \frac{\sin\left(\frac{\pi}{4}p\right)(1-\cos(\alpha p))}{p}$

Published on 25 May 2023 - 18:28

score 64 · Answer 9 · 2026-03-25 20:34:03

64

Views

Density estimation with Orthogonal series

Published on 25 Mar 2026 - 20:34

score 79 · Answer 10 · 2023-05-27 13:41:12

79

Views

Complex exponential Fourier series coefficient of periodic convolution

Published on 27 May 2023 - 13:41

score 114 · Answer 11 · 2023-05-27 17:04:48

114

Views

Prove that $\sum_{k=0}^{\infty}a_k e^{kt} = 0$ implies each $a_k$ is zero

Published on 27 May 2023 - 17:04

score 70 · Answer 12 · 2026-03-28 21:06:56

70

Views

Coefficients of the solution to the 2D heat equation with Neumann boundary conditions

Published on 28 Mar 2026 - 21:06

score 250 · Answer 13 · 2023-05-27 20:50:30

250

Views

Ways to show that the solution to the heat equation is $C^{\infty}((0,\infty) \times \mathbb{R})$

Published on 27 May 2023 - 20:50

score 69 · Answer 14 · 2023-05-28 03:35:56

69

Views

Existence of a continuous function whose Fourier series diverges at a point

Published on 28 May 2023 - 3:35

score 37 · Answer 15 · 2026-04-07 17:50:38

37

Views

Trouble proving the composition of Fourier series and its inverse operation is the identity

Published on 07 Apr 2026 - 17:50

List Question

Squaring the output of a frequency-time space conversion map

Kummer's Fourier expansion for $\ln\Gamma(x)$ derivation: cosine integral series expansion

Legendre expansion of a root polynomial

Does piecewise continuity of $f'$ imply piecewise continuity of $f$?

Why is a Fourier series the same on $[-3,3]$ and on $[-\pi,\pi]$?

Fourier Series - working out relationship between $C_n$ and $A_n,B_n$

Reversal of Variable Transformation in the Solution of Inhomogeneous Dirichlet PDE

What is the sum of this series? $\sum_{p=1}^{\infty} \frac{\sin\left(\frac{\pi}{4}p\right)(1-\cos(\alpha p))}{p}$

Density estimation with Orthogonal series

Complex exponential Fourier series coefficient of periodic convolution

Prove that $\sum_{k=0}^{\infty}a_k e^{kt} = 0$ implies each $a_k$ is zero

Coefficients of the solution to the 2D heat equation with Neumann boundary conditions

Ways to show that the solution to the heat equation is $C^{\infty}((0,\infty) \times \mathbb{R})$

Existence of a continuous function whose Fourier series diverges at a point

Trouble proving the composition of Fourier series and its inverse operation is the identity

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