[petsc-dev] [petsc-maint #95962] condition number

[Barry Smith]

   Belongs in the FAQ?


   Barry

On Nov 8, 2011, at 5:28 AM, Jed Brown wrote:

> On Tue, Nov 8, 2011 at 07:23, <panourg at mech.upatras.gr> wrote:
> 
>> Is there any function which compute the condition number of a matrix (MAT)?
> 
> 
> -pc_type svd -pc_svd_monitor (for very small problems)
> 
> -ksp_gmres_restart 1000 -ksp_monitor_singular_value -pc_type none
> (estimate, may not find smallest singular value accurately)
>