List questions from hessian-matrix

Published on 09 Apr 2018 - 5:38

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Approximation of Hessian=$J^TJ$ for general non-linear optimization problems

Published on 23 Mar 2026 - 6:02

524

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Deriving diagonal approximation of Hessian in a neural network

Published on 15 Apr 2018 - 20:57

1.6k

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Find the extrema of $\sin(x)\cos(y)$ with the Hessian

Published on 17 Apr 2018 - 21:25

542

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Hessian with rank one

Published on 21 Mar 2026 - 21:09

680

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Hessian of the log barrier function is positive semidefinite

Published on 18 Apr 2018 - 14:24

380

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Does entry-wise non-negativity imply positive semidefiniteness?

Published on 22 Mar 2026 - 0:46

409

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Prove that the function f is strictly convex

Published on 26 Apr 2018 - 16:03

808

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Is it abuse of notation to write the hessian as $D^2f$?

Published on 29 Apr 2018 - 5:16

315

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How do we define $D^2$ formally in differential geometry?

Published on 29 Apr 2018 - 11:27

201

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Hessian matrix computation for multi-layer neural networks (from Duda's book)

Published on 17 Mar 2026 - 9:32

343

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Hessian on non-critical points

Published on 22 Mar 2026 - 1:53

575

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Definition of convexity for multivariate functions

Published on 23 Mar 2026 - 8:31

969

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Reordering the rows of a matrix and positive definiteness

Published on 22 Mar 2026 - 19:56

42

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Motivation of Weird Functions for Hessian Matrix

Published on 22 Mar 2026 - 14:38

List Question

Classifying a degenerate point of a function of three variables

Approximation of Hessian=$J^TJ$ for general non-linear optimization problems

Deriving diagonal approximation of Hessian in a neural network

Find the extrema of $\sin(x)\cos(y)$ with the Hessian

Hessian with rank one

Hessian of the log barrier function is positive semidefinite

Does entry-wise non-negativity imply positive semidefiniteness?

Prove that the function f is strictly convex

Is it abuse of notation to write the hessian as $D^2f$?

How do we define $D^2$ formally in differential geometry?

Hessian matrix computation for multi-layer neural networks (from Duda's book)

Hessian on non-critical points

Definition of convexity for multivariate functions

Reordering the rows of a matrix and positive definiteness

Motivation of Weird Functions for Hessian Matrix

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