Re: inverse symmetric matrix
Gunter Winkler <[email protected]>
| Newsgroups | gmane.comp.lib.mtl.devel |
|---|---|
| Message-ID | <[email protected]> |
Yasser H. Abdel-Haleem wrote: > Hi, > > I would like to get the inverse of a symmetric matrix. Currently, I copy > it to a dense matrix and get the inverse using LU inverse. However, I > search a very fast method to do that directly without this intermediate > step. Can any one suggest a solution? For symmetric matrices you should use the Cholesky-Factorization (similar to LU: A = L L^T) I don't know if someone implemented it already for MTL, but google gives lots if information about that. mfg Gunter _______________________________________________ This list is archived at http://www.osl.iu.edu/MailArchives/mtl-devel/