Question

What should I do if the second partial derivative test is inconclusive/0?

score 1.2k · Answer 1 · 2021-07-12 14:53:33

1.2k

Views

What should I do if the second partial derivative test is inconclusive/0?

Published on 12 Jul 2021 - 14:53

score 275 · Answer 2 · 2021-07-15 04:11:16

275

Views

What is the Hessian of $X \mapsto f \left( X^T X \right)$ in terms of the Hessian of $f$?

Published on 15 Jul 2021 - 4:11

score 164 · Answer 3 · 2026-03-28 20:07:37

164

Views

Relation between determinant of complex Hessian and the real one

Published on 28 Mar 2026 - 20:07

score 68 · Answer 4 · 2021-07-19 14:29:53

68

Views

How to know when and where to transpose?

Published on 19 Jul 2021 - 14:29

score 716 · Answer 5 · 2021-07-29 21:09:48

716

Views

Is the Hessian matrix of Euclidean norm function positive definite?

Published on 29 Jul 2021 - 21:09

score 654 · Answer 6 · 2021-08-06 14:28:04

654

Views

Question on Hessian Matrix and Gradient Descent Step

Published on 06 Aug 2021 - 14:28

score 47 · Answer 7 · 2026-03-29 21:39:16

47

Views

Why we can approximate $H(l)$ by $2J(f)^TJ(f)$ for $l=\lVert f(w)\rVert^2=f(w)^Tf(w)$ in the context of finding ${\rm argmin}_wf(w)$?

Published on 29 Mar 2026 - 21:39

score 428 · Answer 8 · 2021-08-19 20:35:06

428

Views

How the Hessian matrix of the robustified Gauss-Newton method for optimization is computed?

Published on 19 Aug 2021 - 20:35

score 674 · Answer 9 · 2021-08-20 00:23:30

674

Views

Hessian matrix and strictly convex function

Published on 20 Aug 2021 - 0:23

score 41 · Answer 10 · 2021-08-30 00:58:04

41

Views

How can we conclude that $f$ resembles $1 -\frac 9 2 x^2 - \frac 1 2 y^2$ near $(0,0)$?

Published on 30 Aug 2021 - 0:58

score 249 · Answer 11 · 2021-09-17 04:53:37

249

Views

How is the notation in this Hessian Matrix calculated?

Published on 17 Sep 2021 - 4:53

score 164 · Answer 12 · 2026-03-29 23:24:52

164

Views

Should both of the second-order partial derivatives be negative for a two-variate function to achieve its local maximum?

Published on 29 Mar 2026 - 23:24

score 82 · Answer 13 · 2021-10-04 16:32:31

82

Views

For which values of $y$ and $z$ is $\cos\left(2y+z\right)>0$

Published on 04 Oct 2021 - 16:32

score 88 · Answer 14 · 2026-03-27 06:01:39

88

Views

"Negative definite" in the definition of Morse index

Published on 27 Mar 2026 - 6:01

score 626 · Answer 15 · 2021-10-06 07:49:03

626

Views

eigenvalues of bordered Hessian

Published on 06 Oct 2021 - 7:49

List Question

What should I do if the second partial derivative test is inconclusive/0?

What is the Hessian of $X \mapsto f \left( X^T X \right)$ in terms of the Hessian of $f$?

Relation between determinant of complex Hessian and the real one

How to know when and where to transpose?

Is the Hessian matrix of Euclidean norm function positive definite?

Question on Hessian Matrix and Gradient Descent Step

Why we can approximate $H(l)$ by $2J(f)^TJ(f)$ for $l=\lVert f(w)\rVert^2=f(w)^Tf(w)$ in the context of finding ${\rm argmin}_wf(w)$?

How the Hessian matrix of the robustified Gauss-Newton method for optimization is computed?

Hessian matrix and strictly convex function

How can we conclude that $f$ resembles $1 -\frac 9 2 x^2 - \frac 1 2 y^2$ near $(0,0)$?

How is the notation in this Hessian Matrix calculated?

Should both of the second-order partial derivatives be negative for a two-variate function to achieve its local maximum?

For which values of $y$ and $z$ is $\cos\left(2y+z\right)>0$

"Negative definite" in the definition of Morse index

eigenvalues of bordered Hessian

Trending Questions

Popular # Hahtags

Popular Questions