Weird (?) results obtained from experiments with the SNESMF module

[Barry Smith]

On Dec 19, 2008, at 2:10 PM, Matthew Knepley wrote:

> On Fri, Dec 19, 2008 at 1:54 PM, Rafael Santos Coelho <rafaelsantoscoelho at gmail.com 
> > wrote:
> Hi, Lisandro,
>
>
> Did you make sure to pass '-pc_type none' for both JFNK and NK??
>
> Yes, I did.
>
> If this is the case, please explain why more than 1 matrix is  
> created, or in the
> case of JFNK, any matrix is created.

    Matt,

     Even in the matrix free a Mat is created; it just does not have a  
sparse storage representation.

   Barry
>
>
>   Thanks,
>
>      Matt
>
> -- 
> What most experimenters take for granted before they begin their  
> experiments is infinitely more interesting than any results to which  
> their experiments lead.
> -- Norbert Wiener