Conjugate transpose: Difference between revisions

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Even if ''A'' is not square, the two matrices ''A<sup>*</sup>A'' and ''AA<sup>*</sup>'' are both Hermitian and in fact [[positive semi-definite]].
 
The adjoint matrix ''A''<sup>*</sup> should not be confused with the [[adjugate]] adj(''A'') (which in older texts is also sometimes called "adjoint").
 
== Motivation ==