List questions from hessian-matrix

Published on 19 Feb 2021 - 7:32

160

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Bound eigenvalues of $D^\top C D$, for $C$ positive semidefinite

Published on 26 Feb 2021 - 10:27

62

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Matrix "divided" by a matrix. Can this be done?

Published on 28 Feb 2021 - 20:30

89

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Sharpest upper bound on $|f(x)|$ using multivariable Taylor approximation, Hessian, or any other method

Published on 02 Mar 2021 - 4:37

145

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Is $f(x, y) = xy-2x-y$ an hyperbolic paraboloid?

Published on 26 Mar 2026 - 21:26

176

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I need a limit definition for the Hessian, does this work?

Published on 05 Mar 2021 - 0:40

1.8k

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On "the Hessian is the Jacobian of the gradient"

Published on 29 Mar 2026 - 13:27

2.1k

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How to calculate the inverse of Hessian matrix?

Published on 18 Mar 2021 - 9:01

85

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The meaning of a symbol in Monotone operator

Published on 25 Mar 2026 - 23:22

81

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Polynomial with small hessian determinant

Published on 22 Mar 2021 - 0:54

40

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Negative curvature towards a certain direction

Published on 02 Apr 2021 - 5:42

202

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Problem understanding Quasi-Newton method: BFGS

Published on 02 Apr 2021 - 14:15

235

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Find the extrema of $f(x,y) = x^3\cdot y^3$ in $\mathbb{R}^2$

Published on 28 Mar 2026 - 21:06

187

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Is the trace of the Hessian matrix of the logistic loss function a convex function?

Published on 04 Apr 2021 - 7:02

462

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Intuition: Convexity of Multivariate Functions and Positive Semidefiniteness of the Hessian

Published on 30 Mar 2026 - 3:03

List Question

Hessian of $f(x) = e^{u^Tx}$ for some $u\in \mathbb{R^d}$

Bound eigenvalues of $D^\top C D$, for $C$ positive semidefinite

Matrix "divided" by a matrix. Can this be done?

Sharpest upper bound on $|f(x)|$ using multivariable Taylor approximation, Hessian, or any other method

Is $f(x, y) = xy-2x-y$ an hyperbolic paraboloid?

I need a limit definition for the Hessian, does this work?

On "the Hessian is the Jacobian of the gradient"

How to calculate the inverse of Hessian matrix?

The meaning of a symbol in Monotone operator

Polynomial with small hessian determinant

Negative curvature towards a certain direction

Problem understanding Quasi-Newton method: BFGS

Find the extrema of $f(x,y) = x^3\cdot y^3$ in $\mathbb{R}^2$

Is the trace of the Hessian matrix of the logistic loss function a convex function?

Intuition: Convexity of Multivariate Functions and Positive Semidefiniteness of the Hessian

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