determinant of permutation matrix ... It's a well known fact that det(P)=(−1)t, where t is the number of row exchanges in the PA=LU decomposition. Can somebody ... ... <看更多>
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determinant of permutation matrix ... It's a well known fact that det(P)=(−1)t, where t is the number of row exchanges in the PA=LU decomposition. Can somebody ... ... <看更多>
The permutation matrix pm contains the information you'll need to determine the sign change: you'll want to multiply your determinant by the ... ... <看更多>