Article ID Journal Published Year Pages File Type
6416322 Linear Algebra and its Applications 2015 11 Pages PDF
Abstract

The present paper introduces the semi-nonnegative rank for real matrices as an alternative to the usual rank. It is shown that the semi-nonnegative rank takes two possible values which are simple functions of the usual rank. Several characterizations of matrices for which the two ranks coincide are given.

Keywords
Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory
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Semi-nonnegative rank for real matrices and its connection to the usual rank
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