Generalized permutation matrix: Difference between revisions

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:<math>\begin{bmatrix}0 & 0 & 3 & 0\\ 0 & -2 & 0 & 0\\
1 & 0 & 0 & 0\\ 0 & 0 & 0 & 1 \end{bmatrix}</math>
 
It is known that if a nonnegative matrix with a nonnegative inverse is a generalized permutation matrix.