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Changes last made on Monday, 06-Aug-07 20:22:43 PDT
Det(M) = Determinate of matrix M:
Computes the determinant, a scalar, of the square matrix M. The determinant is zero iff the matrix is singular.
One way to compute Det(A) of a square matrix A:
If (A.m == 1), Det(A) = a11
else If (A.m == 2), Det(A) = a11 * a22 − a12 * a21
else
compute Decomp(A) = The LU decomposition of matrix A.
Det(A) = the product of the diagonal elements of Decomp(A).
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