[petsc-users] about linear solver convergence

behzad baghapour behzad.baghapour at gmail.com
Tue Oct 11 11:13:09 CDT 2011


Okey. I checked the condition number "max/min".
It increases significantly in each ksp iterations!!!
Is it correct when the Jacobian matrix is fixed for each ksp iterations or
it is due to my fault?

On Tue, Oct 11, 2011 at 7:28 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Tue, Oct 11, 2011 at 10:55, behzad baghapour <
> behzad.baghapour at gmail.com> wrote:
>
>> OK. Then how I can calculate and monitor the "condition number" in ksp?
>
>
> -ksp_monitor_singular_value
>



-- 
==================================
Behzad Baghapour
Ph.D. Candidate, Mechecanical Engineering
University of Tehran, Tehran, Iran
https://sites.google.com/site/behzadbaghapour
Fax: 0098-21-88020741
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