determinant algorithm

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determinant algorithm

Postby piopiwowarr » Wed Jul 10, 2013 10:17 pm

Hi everyone,
I'm 3rd year informatics student on one of polish university and now i'm writing a thesis about numerical libraries. Now i have a problem, because i write about Armadillo library. I know, that library based on LAPACK. My question is how LAPACK calculated determinant of squere matrix? I must know algorithm which uses LAPACK. Is this LU decomposition? May this is Laplace(just joking)? I don't need full algorithm, i want how Lapact theoretically calculate determinant.
please respond quickly, it's 4:14am and i must deliver my thesis to 3pm...
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