Re: [ublas] determinant and norm

From: Eddie Vedder (Eddie.Vedder_at_[hidden])
Date: 2005-12-20 03:38:26

> I think that the sign of the product of the diagonal elements of U
> depends on the number of row permutations in pivoting: if this number
> is even, product is equal to determinant, but if it is odd,
> product is  -determinant.

Is there a way to find out the number of rows permutations in pivoting? Does
the pivot vector give any information about that? Or is this information
lost?

Ed

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