Generalized permutation matrix: Difference between revisions

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== Structure ==
An [[invertible matrix]] ''A'' is a generalized permutation matrix [[if and only]] if it can be written as a product of an [[invertible matrix|invertible]] [[diagonal matrix]] ''D'' and an (implicitly [[invertible matrix|invertible]]) [[permutation matrix]] ''P'': i.e.,
 
:<math> A=DP.</math>