List questions from hessian-matrix

Published on 27 Jun 2019 - 23:03

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Are Hessian matrices always symmetric?

Published on 29 Jun 2019 - 8:05

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Conflicting definition of the Hessian matrix: does the order of the partials of a Hessian matrix matter?

Published on 30 Jun 2019 - 21:22

256

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proof of second derivative test for function of n variables

Published on 07 Jul 2019 - 19:06

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Hessian of $\mathbb{E}_{\xi}[\log(1+e^{a^\top (x+\xi)})]$

Published on 25 Mar 2026 - 12:53

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How to check the convexity of this function?

Published on 25 Mar 2026 - 8:07

251

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Does $F1(x,y) = \frac{1}{4}x^4 + x^2 y + y^2$ has a minimum through positive definite of the second derivative matrix?

Published on 12 Jul 2019 - 21:05

155

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Assistance with a Vector Calculus Exercise

Published on 18 Jul 2019 - 14:45

113

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Convexity/Concavity of $f(x) = \sum\limits_{i = 1}^N\sqrt{x_i+a_i}$

Published on 11 Aug 2019 - 15:47

82

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Forming Hessian Approximations from Exchangeable Data

Published on 12 Aug 2019 - 17:52

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Converting from Euler angles to quaternion for covariance estimate

Published on 23 Feb 2026 - 1:20

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Convexity of logarithmic function with inner product and $\ell_1$-norm

Published on 23 Aug 2019 - 2:53

2k

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Matlab: Gradient and Hessian of a function with vector input of user specified size

Published on 24 Aug 2019 - 1:43

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Convexity of vector valued function

Published on 06 Sep 2019 - 15:12

311

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A Problem from Past Entrance Exams into Math Master's Program in Taiwan

Published on 07 Sep 2019 - 17:34

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Optimization exercise on a limited domain

Are Hessian matrices always symmetric?

Conflicting definition of the Hessian matrix: does the order of the partials of a Hessian matrix matter?

proof of second derivative test for function of n variables

Hessian of $\mathbb{E}_{\xi}[\log(1+e^{a^\top (x+\xi)})]$

How to check the convexity of this function?

Does $F1(x,y) = \frac{1}{4}x^4 + x^2 y + y^2$ has a minimum through positive definite of the second derivative matrix?

Assistance with a Vector Calculus Exercise

Convexity/Concavity of $f(x) = \sum\limits_{i = 1}^N\sqrt{x_i+a_i}$

Forming Hessian Approximations from Exchangeable Data

Converting from Euler angles to quaternion for covariance estimate

Convexity of logarithmic function with inner product and $\ell_1$-norm

Matlab: Gradient and Hessian of a function with vector input of user specified size

Convexity of vector valued function

A Problem from Past Entrance Exams into Math Master's Program in Taiwan

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