On some definitions in matrix algebra

Jan R. Magnus () and Karim Abadir ()

No CIRJE-F-476, CIRJE F-Series from CIRJE, Faculty of Economics, University of Tokyo

Abstract: Many definitions in matrix algebra are not standardized. This notediscusses some of thepitfalls associated with undesirable orwrong definitions, anddealswith central conceptslikesymmetry, orthogonality, square root, Hermitian and quadratic forms, and matrix derivatives.

Date: 2007-02
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