Question

Closed form for $\psi^{1/k}(1)$, where $k$ is an integer

score 65 · Answer 1 · 2026-03-26 04:16:10

65

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Closed form for $\psi^{1/k}(1)$, where $k$ is an integer

Published on 26 Mar 2026 - 4:16

score 17 · Answer 2 · 2026-03-13 13:48:35

17

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Deriving MLE & asymptotic variance manually - for which distributions/cases is it possible?

Published on 13 Mar 2026 - 13:48

score 70 · Answer 3 · 2026-03-26 22:51:47

70

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Prove optimality of constrained convex optimization problem analitically (using KKT conditions)

Published on 26 Mar 2026 - 22:51

score 24 · Answer 4 · 2024-01-22 16:23:47

24

Views

Solution to Hyperbolic PDE

Published on 22 Jan 2024 - 16:23

score 145 · Answer 5 · 2026-03-29 13:47:25

145

Views

What are some unique integral representations of Apery's constant - $\zeta(3)$?

Published on 29 Mar 2026 - 13:47

score 269 · Answer 6 · 2024-01-23 13:01:24

269

Views

$\int_{-1}^u\text{exp}(\frac{1}{x^2-1})dx$

Published on 23 Jan 2024 - 13:01

score 122 · Answer 7 · 2026-03-28 03:27:40

122

Views

Could this closed form for negative integer values of a series involving $\zeta(s)$ be proven?

Published on 28 Mar 2026 - 3:27

score 216 · Answer 8 · 2026-03-30 16:45:39

216

Views

Value of $ {_3F_2}{\left(1,n+\frac32,1-r;\frac32,n+2;1\right)} $

Published on 30 Mar 2026 - 16:45

score 152 · Answer 9 · 2026-04-01 06:21:21

152

Views

For $J=\{1,2,\dots,n \}$ is there an easy way to compute $\prod\limits_{i\in J | i \ne k} (k-i)$?

Published on 01 Apr 2026 - 6:21

score 162 · Answer 10 · 2026-03-25 16:01:19

162

Views

Another weird limit involving gamma and digamma function via continued fraction

Published on 25 Mar 2026 - 16:01

score 127 · Answer 11 · 2024-01-26 20:16:04

127

Views

closed form for limit?

Published on 26 Jan 2024 - 20:16

score 333 · Answer 12 · 2024-01-29 01:03:30

333

Views

How to evaluate $\int_{-\infty}^{+\infty}\frac{\cos x}{\left(1+x+x^2\right)^2+1}\mathrm{~d}x$

Published on 29 Jan 2024 - 1:03

score 116 · Answer 13 · 2026-03-27 15:05:36

116

Views

Orthogonal trajectories to family of curves $\left\Vert x \right\Vert_p=1$ where $x\in\mathbb{R}^2$

Published on 27 Mar 2026 - 15:05

score 207 · Answer 14 · 2026-03-30 12:01:50

207

Views

Evaluate the infinite product $ \prod_{n=1}^{\infty} \left ( 1 + \frac{x^2}{n^2+n-1} \right )$

Published on 30 Mar 2026 - 12:01

score 49 · Answer 15 · 2026-03-31 02:15:23

49

Views

Sum over exponential function lying within the argument of another exponential function

Published on 31 Mar 2026 - 2:15

List Question

Closed form for $\psi^{1/k}(1)$, where $k$ is an integer

Deriving MLE & asymptotic variance manually - for which distributions/cases is it possible?

Prove optimality of constrained convex optimization problem analitically (using KKT conditions)

Solution to Hyperbolic PDE

What are some unique integral representations of Apery's constant - $\zeta(3)$?

$\int_{-1}^u\text{exp}(\frac{1}{x^2-1})dx$

Could this closed form for negative integer values of a series involving $\zeta(s)$ be proven?

Value of $ {_3F_2}{\left(1,n+\frac32,1-r;\frac32,n+2;1\right)} $

For $J=\{1,2,\dots,n \}$ is there an easy way to compute $\prod\limits_{i\in J | i \ne k} (k-i)$?

Another weird limit involving gamma and digamma function via continued fraction

closed form for limit?

How to evaluate $\int_{-\infty}^{+\infty}\frac{\cos x}{\left(1+x+x^2\right)^2+1}\mathrm{~d}x$

Orthogonal trajectories to family of curves $\left\Vert x \right\Vert_p=1$ where $x\in\mathbb{R}^2$

Evaluate the infinite product $ \prod_{n=1}^{\infty} \left ( 1 + \frac{x^2}{n^2+n-1} \right )$

Sum over exponential function lying within the argument of another exponential function

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