analyze preconditioned operator?

[Barry Smith]

    You are not missing something.

    If you want an application of a preconditioner to look like a  
matrix-vector product for SLEPc then you
need to wrap the PCApply inside a MatShell() (it may sound scary but  
is easy).

    Barry

On Oct 9, 2008, at 4:32 PM, Matt Funk wrote:

> mmhh,
>
> i think i am missing something. Doesn't PCApply() apply the  
> preconditioner to
> a vector? So how would that work (easily) with a matrix?
>
> matt
>
> On Thursday 09 October 2008, Matthew Knepley wrote:
>> CApply().
>
>