Question

Justify an approximation of $\sum_{k=1}^\infty\operatorname{Ei}(-k)$, where $\operatorname{Ei}(x)$ denotes the exponential integral function

score 177 · Answer 1 · 2026-04-12 20:19:09

177

Views

Justify an approximation of $\sum_{k=1}^\infty\operatorname{Ei}(-k)$, where $\operatorname{Ei}(x)$ denotes the exponential integral function

Published on 12 Apr 2026 - 20:19

score 319 · Answer 2 · 2026-04-10 17:05:49

319

Views

Explicit solution for ODE

Published on 10 Apr 2026 - 17:05

score 404 · Answer 3 · 2026-05-10 12:35:40

404

Views

Exact value of the limit of the Mandelbrot iteration for c=1/4?

Published on 10 May 2026 - 12:35

score 112 · Answer 4 · 2026-05-07 19:23:40

112

Views

$f(exp(z)) = f(z) \cdot g(z) $ with closed form solutions?

Published on 07 May 2026 - 19:23

score 139 · Answer 5 · 2026-04-12 15:36:11

139

Views

Need an explicit formula for a recurrence relation involving modulus

Published on 12 Apr 2026 - 15:36

score 4.4k · Answer 6 · 2026-04-15 09:33:18

4.4k

Views

The exact value of an infinite sum $e^{-n^2}$

Published on 15 Apr 2026 - 9:33

score 153 · Answer 7 · 2026-05-10 12:53:58

153

Views

Series involving product of Harmonic Numbers

Published on 10 May 2026 - 12:53

score 222 · Answer 8 · 2026-04-10 19:28:47

222

Views

Closed form expression of odd series

Published on 10 Apr 2026 - 19:28

score 175 · Answer 9 · 2026-04-12 09:03:00

175

Views

Combination with repetitions removing the permutated sequences

Published on 12 Apr 2026 - 9:03

score 81 · Answer 10 · 2026-04-11 02:09:51

81

Views

Multiple sum involving binomial coefficients

Published on 11 Apr 2026 - 2:09

score 278 · Answer 11 · 2026-05-10 08:36:29

278

Views

Closed forms of sums of rational or real powers

Published on 10 May 2026 - 8:36

score 264 · Answer 12 · 2026-04-14 20:15:05

264

Views

Closed Form of $\int x^n e^x~\mathrm{d}x$

Published on 14 Apr 2026 - 20:15

score 787 · Answer 13 · 2026-04-08 23:35:12

787

Views

Iterative Function Definition to Closed Form

Published on 08 Apr 2026 - 23:35

score 54 · Answer 14 · 2026-04-15 18:47:17

54

Views

Solving for $X$ inside of a matrix inverse

Published on 15 Apr 2026 - 18:47

score 47 · Answer 15 · 2026-04-17 01:01:21

47

Views

$I = \int_{0}^{u} z^{a} \exp(-b z) (c z + d)^{-g}\, dz$ where $u, a, b, c, d, g \in \mathbb R^{+}$

Published on 17 Apr 2026 - 1:01

List Question

Justify an approximation of $\sum_{k=1}^\infty\operatorname{Ei}(-k)$, where $\operatorname{Ei}(x)$ denotes the exponential integral function

Explicit solution for ODE

Exact value of the limit of the Mandelbrot iteration for c=1/4?

$f(exp(z)) = f(z) \cdot g(z) $ with closed form solutions?

Need an explicit formula for a recurrence relation involving modulus

The exact value of an infinite sum $e^{-n^2}$

Series involving product of Harmonic Numbers

Closed form expression of odd series

Combination with repetitions removing the permutated sequences

Multiple sum involving binomial coefficients

Closed forms of sums of rational or real powers

Closed Form of $\int x^n e^x~\mathrm{d}x$

Iterative Function Definition to Closed Form

Solving for $X$ inside of a matrix inverse

$I = \int_{0}^{u} z^{a} \exp(-b z) (c z + d)^{-g}\, dz$ where $u, a, b, c, d, g \in \mathbb R^{+}$

Trending Questions

Popular # Hahtags

Popular Questions