Definite matrix: Difference between revisions

Revision as of 07:47, 19 October 2005

Revision as of 07:49, 19 October 2005

Line 47:

:<math>x^{*} M x \leq 0</math>

orfor all <math>x \in \mathbb{R}^n</math> (or <math>\mathbb{C}^n</math>).

A Hermitian matrix which is neither positive- nor negative-semidefinite is called '''indefinite'''.