Nonnegative matrix: Difference between revisions

Revision as of 16:26, 12 October 2011

Revision as of 20:51, 3 November 2011

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A '''nonnegative matrix''' is a [[matrix (mathematics)|matrix]] in which all the elements are equal to or greater than zero

: <math>\mathbf{X} \geq 0, \qquad \forall_{ij}forall i,j\, x_{ij} \geq 0.</math>

A '''positive matrix''' is a matrix in which all the elements are greater than zero. The set of positive matrices is a subset of all non-negative matrices.