Question

How to rigorously show that maximum of linear functions is piecewise linear?

score 2.3k · Answer 1 · 2026-04-12 09:47:24

2.3k

Views

How to rigorously show that maximum of linear functions is piecewise linear?

Published on 12 Apr 2026 - 9:47

score 44 · Answer 2 · 2026-04-15 18:52:19

44

Views

Find functions $f:\mathbb{R}^n\to\mathbb{R}, n\ge 2$ such that $\nabla f(x)= 0$ and $x$ is local min but not global, and $x$ is saddle point

Published on 15 Apr 2026 - 18:52

score 352 · Answer 3 · 2026-04-13 15:29:21

352

Views

Wolfe Conditions and capturing the minimizer

Published on 13 Apr 2026 - 15:29

score 657 · Answer 4 · 2026-04-16 18:51:53

657

Views

Eckart–Young–Mirsky theorem: rank $\le$ k or rank = k

Published on 16 Apr 2026 - 18:51

score 176 · Answer 5 · 2026-04-16 17:25:19

176

Views

Find $\mathbf{X}$ that minimizes ${tr(\mathbf{X}^T\mathbf{P}\mathbf{X})}/{tr(\mathbf{X}^T\mathbf{Q}\mathbf{X})}$

Published on 16 Apr 2026 - 17:25

score 53 · Answer 6 · 2026-04-12 04:30:38

53

Views

A Minimum Path to visit $4$ points on a sphere (no intersections)

Published on 12 Apr 2026 - 4:30

score 232 · Answer 7 · 2026-04-10 23:30:40

232

Views

Maximize the modulus of a sum of complex exponentials on a given interval

Published on 10 Apr 2026 - 23:30

score 3k · Answer 8 · 2026-04-11 12:35:57

3k

Views

Does branch-and-bound always achieve a globally optimal solution?

Published on 11 Apr 2026 - 12:35

score 63 · Answer 9 · 2026-04-14 02:12:34

63

Views

Ensure equal work distribution in a group whose "composition" changes daily.

Published on 14 Apr 2026 - 2:12

score 200 · Answer 10 · 2026-03-25 06:04:40

200

Views

what if the hessian of the Lagrangian is null?

Published on 25 Mar 2026 - 6:04

score 176 · Answer 11 · 2026-04-16 17:04:49

176

Views

Clarification:$\min_{\mathbf{x}}\left\|\mathbf{y}-\mathbf{x}\right\|_2^2$ s.t. $\mathbf{A}\mathbf{x} \preceq \mathbf{b}$

Published on 16 Apr 2026 - 17:04

score 414 · Answer 12 · 2026-04-17 15:50:31

414

Views

Minimize ${tr(\mathbf{X}^T\mathbf{P}\mathbf{X})}/{tr(\mathbf{X}^T\mathbf{Q}\mathbf{X})}$ s.t. $\mathbf{X}^T\mathbf{X}=\mathbf{I}$

Published on 17 Apr 2026 - 15:50

score 350 · Answer 13 · 2026-04-13 18:35:38

350

Views

linear least squares and lagrange

Published on 13 Apr 2026 - 18:35

score 329 · Answer 14 · 2026-04-14 09:43:27

329

Views

Reference Request: KKT in Hilbert Space

Published on 14 Apr 2026 - 9:43

score 187 · Answer 15 · 2026-04-17 11:15:22

187

Views

Supremum of a function on the open set

Published on 17 Apr 2026 - 11:15

List Question

How to rigorously show that maximum of linear functions is piecewise linear?

Find functions $f:\mathbb{R}^n\to\mathbb{R}, n\ge 2$ such that $\nabla f(x)= 0$ and $x$ is local min but not global, and $x$ is saddle point

Wolfe Conditions and capturing the minimizer

Eckart–Young–Mirsky theorem: rank $\le$ k or rank = k

Find $\mathbf{X}$ that minimizes ${tr(\mathbf{X}^T\mathbf{P}\mathbf{X})}/{tr(\mathbf{X}^T\mathbf{Q}\mathbf{X})}$

A Minimum Path to visit $4$ points on a sphere (no intersections)

Maximize the modulus of a sum of complex exponentials on a given interval

Does branch-and-bound always achieve a globally optimal solution?

Ensure equal work distribution in a group whose "composition" changes daily.

what if the hessian of the Lagrangian is null?

Clarification:$\min_{\mathbf{x}}\left\|\mathbf{y}-\mathbf{x}\right\|_2^2$ s.t. $\mathbf{A}\mathbf{x} \preceq \mathbf{b}$

Minimize ${tr(\mathbf{X}^T\mathbf{P}\mathbf{X})}/{tr(\mathbf{X}^T\mathbf{Q}\mathbf{X})}$ s.t. $\mathbf{X}^T\mathbf{X}=\mathbf{I}$

linear least squares and lagrange

Reference Request: KKT in Hilbert Space

Supremum of a function on the open set

Trending Questions

Popular # Hahtags

Popular Questions