Question

How to find global maxima in open intervals

score 121 · Answer 1 · 2026-04-11 08:12:56

121

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How to find global maxima in open intervals

Published on 11 Apr 2026 - 8:12

score 462 · Answer 2 · 2026-04-15 08:25:59

462

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Find the maximum value of the integral $\int_{-1}^1|x-a|e^xdx$ where $|a|\le1$

Published on 15 Apr 2026 - 8:25

score 225 · Answer 3 · 2026-04-16 06:47:23

225

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Evaluate $\lim\limits_{n\to\infty}\big(\frac{n}{2}+\min\limits_{x\in\mathbb{R}}\sum_{k=0}^n{\cos(2^k x)}\big)$

Published on 16 Apr 2026 - 6:47

score 139 · Answer 4 · 2026-04-13 21:42:17

139

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Conjecture about the minimum of the Gamma's function

Published on 13 Apr 2026 - 21:42

score 80 · Answer 5 · 2026-04-12 03:17:15

80

Views

Proving Range of Bivariate Function

Published on 12 Apr 2026 - 3:17

score 185 · Answer 6 · 2026-04-16 17:28:34

185

Views

Finding $c$ such that $\ln\cosh x \approx \sqrt{c^2+x^2}-c$

Published on 16 Apr 2026 - 17:28

score 66 · Answer 7 · 2026-04-08 19:15:09

66

Views

Maximization of function with multiple variables and constraints

Published on 08 Apr 2026 - 19:15

score 180 · Answer 8 · 2026-04-15 07:00:55

180

Views

Minimum value of $\sum_{n=0}^\infty\frac{\cos nx}{3^n}$?

Published on 15 Apr 2026 - 7:00

score 33 · Answer 9 · 2026-04-13 16:50:00

33

Views

In general what are the min and max values of $(x)_{\pmod d} - \dfrac{(x)_{\pmod {2d}}}{2}$?

Published on 13 Apr 2026 - 16:50

score 316 · Answer 10 · 2026-04-16 12:20:12

316

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Finding the minimum value of the expression $xy(x+y)^2 + yz(y+z)^2 + zx(z+x)^2$

Published on 16 Apr 2026 - 12:20

score 501 · Answer 11 · 2026-04-16 13:18:31

501

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Finding the maximum distance from origin of a point on the curve $x=a\sin t-b\sin\left(\frac{at}b\right), y=a\cos t-b\cos\left(\frac{at}b\right)$

Published on 16 Apr 2026 - 13:18

score 64 · Answer 12 · 2026-04-10 11:16:57

64

Views

Choosing a cost function for optimization

Published on 10 Apr 2026 - 11:16

score 68 · Answer 13 · 2026-04-16 16:58:42

68

Views

Let $f \in C^{\infty}(\mathbb{R}^n)$ be such that $\underline{0}$ is a local minimum point for every algebraic curve, is it $0$ a local minimum point?

Published on 16 Apr 2026 - 16:58

score 89 · Answer 14 · 2026-04-12 00:19:30

89

Views

Taking an integrand outside a definite integral

Published on 12 Apr 2026 - 0:19

score 158 · Answer 15 · 2026-04-14 17:16:16

158

Views

Closed form solution that minimizes $\sum_{i} (x^\top A_i x - b_i)^2$

Published on 14 Apr 2026 - 17:16

List Question

How to find global maxima in open intervals

Find the maximum value of the integral $\int_{-1}^1|x-a|e^xdx$ where $|a|\le1$

Evaluate $\lim\limits_{n\to\infty}\big(\frac{n}{2}+\min\limits_{x\in\mathbb{R}}\sum_{k=0}^n{\cos(2^k x)}\big)$

Conjecture about the minimum of the Gamma's function

Proving Range of Bivariate Function

Finding $c$ such that $\ln\cosh x \approx \sqrt{c^2+x^2}-c$

Maximization of function with multiple variables and constraints

Minimum value of $\sum_{n=0}^\infty\frac{\cos nx}{3^n}$?

In general what are the min and max values of $(x)_{\pmod d} - \dfrac{(x)_{\pmod {2d}}}{2}$?

Finding the minimum value of the expression $xy(x+y)^2 + yz(y+z)^2 + zx(z+x)^2$

Finding the maximum distance from origin of a point on the curve $x=a\sin t-b\sin\left(\frac{at}b\right), y=a\cos t-b\cos\left(\frac{at}b\right)$

Choosing a cost function for optimization

Let $f \in C^{\infty}(\mathbb{R}^n)$ be such that $\underline{0}$ is a local minimum point for every algebraic curve, is it $0$ a local minimum point?

Taking an integrand outside a definite integral

Closed form solution that minimizes $\sum_{i} (x^\top A_i x - b_i)^2$

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