[petsc-users] KspTrueResidualNorm

[Hong Zhang]

You can use runtime option '-ksp_monitor_true_residual'.
Hong

On Tue, Feb 1, 2011 at 2:14 PM, Ataollah Mesgarnejad
<amesga1 at tigers.lsu.edu> wrote:
> Dear all,
>
> I'm using Ksp gmres with boomeramg preconditioning and I suspect that even
> though it converges in preconditioned norm it doesn't converge in true norm,
> but as I understand KSPSetNormType gmres does not support true residual
> norm? Is that correct and If it is, is there any other way to monitor the
> true norm? Do I need to Introduce my own convergence test?
>
> Best,
> A. Mesgarnejad
>