This is how I normally calculate the determinant of a matrix.

However, the complexity of this algorithm is O(n!).
How to calculate it in polynomial time?
P.S: Why I need to calculate the determinant of a matrix in polynomial time?
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How to quickly calculate the determinant of a matrix?
This is how I normally calculate the determinant of a matrix.

However, the complexity of this algorithm is O(n!).
How to calculate it in polynomial time?
P.S: Why I need to calculate the determinant of a matrix in polynomial time?
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