[Dune] BiCGSTAB Solver Error

[Carsten Gräser]

This means that bicgstab broke down.
If you want to lern more on why this
can happen and how to avoid it please
consider your favorit text book on
numerical linear algebra.

Carsten



"S. Swayamjyoti" <swayam.151 at gmail.com> schrieb:

>Hi,
>
>I solve a system Ax = b using a BiCGSTAB solver of dune. The solver
>fails &
>gives an error:
>*
>DUNE ERROR: ISTLError
>[apply:/home/sj/dune/dune-istl/dune/istl/solvers.hh:766]: breakdown in
>BiCGSTAB - rho 0 <= EPSILON 1e-80 after 1956.5 iterations*
>
>Can someone please tell me the reason of the error & how to avoid it?
>
>Regards,
>Swayam
>_______________________________________________
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>Dune at dune-project.org
>http://lists.dune-project.org/mailman/listinfo/dune

-- 
Dr. Carsten Gräser       | phone: +49-30 /838-75349
Freie Universität Berlin | fax : +49-30 /838-54977
Institut für Mathematik  | email: graeser at math.fu-berlin.de
Arnimallee 6             |
14195 Berlin,Germany     | URL : http://page.mi.fu-berlin.de/graeser