Question

Minimizing Costs of a Company

score 100 · Answer 1 · 2026-04-09 21:21:14

100

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Minimizing Costs of a Company

Published on 09 Apr 2026 - 21:21

score 68 · Answer 2 · 2026-03-26 16:56:57

68

Views

Closed form for $\min_x \sum_k \|(a_k^Tx) / \|x\|^2 x -a_k \|^2$?

Published on 26 Mar 2026 - 16:56

score 98 · Answer 3 · 2026-04-13 07:48:23

98

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Stochastic Neighbor Embedding (SNE) - How to Understand the Cost Function of the Kullback Leibler (KL) Divergence

Published on 13 Apr 2026 - 7:48

score 103 · Answer 4 · 2026-04-14 02:54:29

103

Views

Maximum area of a triangle formed from the equidistant lines of 4 different points

Published on 14 Apr 2026 - 2:54

score 322 · Answer 5 · 2026-04-11 19:49:41

322

Views

Convergent piecewise-constant approximation of l.s.c function

Published on 11 Apr 2026 - 19:49

score 80 · Answer 6 · 2026-04-12 10:17:39

80

Views

Optimization on a submanifold of the n-sphere

Published on 12 Apr 2026 - 10:17

score 250 · Answer 7 · 2026-04-17 14:40:12

250

Views

proving that $\arg\min f$ is also $\arg\min g\circ f$ for $g$ strictly increasing

Published on 17 Apr 2026 - 14:40

score 138 · Answer 8 · 2026-04-17 10:26:10

138

Views

$f(x) = (x_1-x_2^2)(x_1-\frac{1}{2}x_2^2)$, verify $\overline{x} = (0,0)^t$ is local min of $\phi(\lambda) = f(\overline{x}+\lambda d)$ but not of $f$

Published on 17 Apr 2026 - 10:26

score 309 · Answer 9 · 2026-04-14 17:19:25

309

Views

Finding $B$ that minimizes the frobenius norm $|A-B|_F$ for symmetric $B$

Published on 14 Apr 2026 - 17:19

score 128 · Answer 10 · 2026-04-12 10:20:03

128

Views

How to introduce weights for Jensen's inequality into $log\sum\sum$

Published on 12 Apr 2026 - 10:20

score 90 · Answer 11 · 2026-04-10 09:12:04

90

Views

Linear programming: modelling a transportation problem

Published on 10 Apr 2026 - 9:12

score 112 · Answer 12 · 2026-04-16 10:39:19

112

Views

Find a descent direction $d^k$ orthogonal to direction $d^{k-1}$ which is linear comb. of $d^{k-1}$ and $\nabla f(x_k)$

Published on 16 Apr 2026 - 10:39

score 61 · Answer 13 · 2026-04-16 00:54:02

61

Views

Global minimum of $f(x)=\sum_{v=1}^k m_v\|x-x_v\|_2^2, \ \ \ x,x_v \in \mathbb{R}^n, m_v \in \mathbb{R}>0$

Published on 16 Apr 2026 - 0:54

score 1.3k · Answer 14 · 2026-04-10 16:34:35

1.3k

Views

Can any optimization problem be expressed as one without constraints?

Published on 10 Apr 2026 - 16:34

score 122 · Answer 15 · 2026-04-14 10:52:33

122

Views

Boundedness for continuous Lipschitz gradient of multivariate functions?

Published on 14 Apr 2026 - 10:52

List Question

Minimizing Costs of a Company

Closed form for $\min_x \sum_k \|(a_k^Tx) / \|x\|^2 x -a_k \|^2$?

Stochastic Neighbor Embedding (SNE) - How to Understand the Cost Function of the Kullback Leibler (KL) Divergence

Maximum area of a triangle formed from the equidistant lines of 4 different points

Convergent piecewise-constant approximation of l.s.c function

Optimization on a submanifold of the n-sphere

proving that $\arg\min f$ is also $\arg\min g\circ f$ for $g$ strictly increasing

$f(x) = (x_1-x_2^2)(x_1-\frac{1}{2}x_2^2)$, verify $\overline{x} = (0,0)^t$ is local min of $\phi(\lambda) = f(\overline{x}+\lambda d)$ but not of $f$

Finding $B$ that minimizes the frobenius norm $|A-B|_F$ for symmetric $B$

How to introduce weights for Jensen's inequality into $log\sum\sum$

Linear programming: modelling a transportation problem

Find a descent direction $d^k$ orthogonal to direction $d^{k-1}$ which is linear comb. of $d^{k-1}$ and $\nabla f(x_k)$

Global minimum of $f(x)=\sum_{v=1}^k m_v\|x-x_v\|_2^2, \ \ \ x,x_v \in \mathbb{R}^n, m_v \in \mathbb{R}>0$

Can any optimization problem be expressed as one without constraints?

Boundedness for continuous Lipschitz gradient of multivariate functions?

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