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Re: Trouble with Cholesky


Brian Gough wrote:

> The matrix needs to be decomposed into Cholesky form --  if you
> add gsl_linalg_cholesky_decomp (m); before calling the solver it
> should work.

Ahhhh! I thought that would be handled internally. I was already
wondering why m is preserved (as opposed to the way the HH solver
handles this), but I didn't draw the right conclusion. Indeed, the docu
does not tell me that I have first to triangularize m...

Thanks a million!!


Frank

-- 
Dr Frank Boehme                      | Email: f.boehme@cs.ucc.ie
National University of Ireland, Cork | phone: +353-21-4903163
Dept of Computer Science             |   fax: +353-21-4903113
Cork, Ireland                        |


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