List questions from hessian-matrix | MathQa

$a$ is a stationary point of a scalar field $f$ whose Hessian at $a$ has two opposite sign diagonal entries. Is $a$ a saddle point?

Published on 12 Jan 2025 - 9:41

Is there a $\nabla^3 f(x)$?

Published on 12 Jan 2025 - 17:37

Hessian-Matrix of a Determinant

Published on 12 Jan 2025 - 22:57

Hessian of a function

Published on 12 Jan 2025 - 17:24

Hessian matrix for convexity of multidimensional function

Published on 13 Jan 2025 - 2:22

Is this a concave function?

Published on 12 Jan 2025 - 18:02

How to show the Hessian matrix of such functions are positive semi-definite?

Published on 12 Jan 2025 - 9:41

Outer product approximation of Hessian for least squares

Published on 12 Jan 2025 - 9:41

Hessian of function regarding convexity

Published on 12 Jan 2025 - 9:41

On the computation of the Hessian matrix.

Published on 12 Jan 2025 - 9:41