[petsc-users] Is there a way to do the Tikhonov regularization using PETSc

[Brian Yang]

Thanks for the quick reply.

In the main diagonal of Matrix A, it may have some very small values, I
want to add factor to stabilize it, like:

A + alpha * I


On Tue, Jul 15, 2014 at 2:23 PM, Jed Brown <jed at jedbrown.org> wrote:

> Brian Yang <jyang29 at uh.edu> writes:
>
> > Hi all,
> >
> > I am dealing with an A matrix that might be ill-conditioned, wondering
> > whether there is a way to do the regularization?
>
> Yes.
>
> There is not enough information in your question to answer with more
> details.
>



-- 
Brian Yang
U of Houston
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20140715/c0a589d0/attachment.html>