How many permutation matrixes for a $4\times 4$ matrix ? Given an $n \times n$ matrix what is the general way to find the number of permutation matrixes ?
How many permutation matrixes for a $4 \times 4$ matrix?
-4
$\begingroup$
linear-algebra
-
0Do you know the definition of permutation matrices? – 2017-01-03
-
0Of course I do. I wanted to know how to derive them ? – 2017-01-03
1 Answers
2
The answer is $n!$. See more information in the Wikipedia article on permutataion matrix.
You might also want to read this (if you haven't):