On Mar 28, 2014, at 11:56 AM, De Groof, Vincent Frans Maria
<[email protected]> wrote:
> Hi all,
>
>
> for the reanalysis of a set of problems (think sensitivity study,
> reliability, ... ), I'd like to reuse (some) of the search directions of
> previous problems I solved. The idea is to orthogonolize the new search
> directions also to a set of user-defined vectors. This idea is not new, and
> while browsing through the mailing lists, there have been a few discussions
> on related topics.
>
> 1* Can I access/store the old search directions of an iterative solve. Maybe
> through KSP?
GMRES keeps its most recent Krylov space basis around so you can access
that. See src/ksp/ksp/impls/gmres
> 2* Is there an augmented conjugated gradient implementation available? I've
> read some discussions on whether or not to implement this since a multigrid
> approach can reach the same objective. But I don't know if it was implemented
> or not.
No.
Barry
>
>
>
> thanks,
> Vincent
