[petsc-users] about ksp

Satish Balay balay at mcs.anl.gov
Mon Aug 29 09:52:44 CDT 2011


On Mon, 29 Aug 2011, Matthew Knepley wrote:

> On Mon, Aug 29, 2011 at 2:40 PM, Likun Tan <likunt at andrew.cmu.edu> wrote:
> 
> > Dear all,
> >
> > I have linear systems Ax=b with different right-hand-side vectors. These
> > vectors are independent. Could i generate b simultaneously and solve Ax=b
> > simultaneously?
> >
> 
> Unfortunately, no one has figured out how to exploit this for Krylov
> methods.
> 

Also - check ksp/ksp/examples/tutorials/ex16.c

Satish


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