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

[Brian Yang]

OK, thanks.


On Tue, Jul 15, 2014 at 2:31 PM, Jed Brown <jed at jedbrown.org> wrote:

> Brian Yang <brianyang1106 at gmail.com> writes:
>
> > 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
>
>
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Mat/MatShift.html
>



-- 
Brian Yang
U of Houston
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