Generalized permutation matrix: Difference between revisions

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I deleted 'generalized' in section Properties: If a nonsingular matrix and its inverse are both nonnegative matrices (i.e. matrices with nonnegative entries), then the matrix is a permutation matrix.
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== Properties ==
* If a nonsingular matrix and its inverse are both [[nonnegative matrices]] (i.e. matrices with nonnegative entries), then the matrix is a generalized permutation matrix.
 
== Generalizations ==