On Sep 16, 2011, at 5:51 PM, Jed Brown wrote:
> On Sat, Sep 17, 2011 at 00:48, Barry Smith <bsmith at mcs.anl.gov> wrote:
> Should we have support for this in SNES as a particular class since it comes
> up fairly often (in certain literature): perhaps for short we could call it
> SNESPICARD :-)
>
> Haha, but no. I think we should document that this is how to do
> Picard-with-solve,
Jed,
Make it so
Barry
> but we can't do anything automatically because the user has to provide the
> linearization they want to use. Also, it's extremely common to just assemble
> the Picard linearization and use it for preconditioning MFFD Newton. Use
> -snes_mf_operator for Newton, drop that option to use the Picard
> linearization.
