Re: [ublas] Strange behaviour of LAPACK binding for SVD drivers

From: Dima Sorkin (dsorkin_at_[hidden])
Date: 2005-09-20 06:41:24

Quoting Peter Melchior :
> I'm using LAPACK + bindings to do a Singular Value Decomposition of
> uBLAS matrices. For inverting a matrix, I need the U and the Vt matrix
> calculated explicitly.
> But whatever I give as Jobu and Jobvt, only the Vt matrix will be
> calculated correctly; the U matrix has only correct diagonal elements. 
> I'm using the ublas bindings from CVS (checkout: 09.09.2005)

At least this surely worked for me in "1.31" (downloaded oct. 2004).
So it ought to be broken by some later fix.

Regards,
 Dima.