positive semidefinite

Let A be an n×n symmetricPlanetmathPlanetmath real square matrixMathworldPlanetmath. If for any non-zero vector x we have


we call A a positive semidefinitePlanetmathPlanetmath matrix.

Title positive semidefinite
Canonical name PositiveSemidefinite
Date of creation 2013-03-22 12:20:10
Last modified on 2013-03-22 12:20:10
Owner drini (3)
Last modified by drini (3)
Numerical id 5
Author drini (3)
Entry type Definition
Classification msc 15A48
Related topic PositiveDefinite
Related topic NegativeDefinite