intercepting residues as array
Dominik Szczerba
dominik at itis.ethz.ch
Sat Dec 12 07:48:00 CST 2009
Dear Barry and Jed,
Many thanks for the useful hints, the functions provide the
functionality I needed.
Dominik
Barry Smith wrote:
> See the manual page for KSPSetResidualHistory()
>
> Let us know if it does not provide the functionality you need.
>
> Barry
>
> On Dec 11, 2009, at 1:36 PM, Dominik Szczerba wrote:
>
>> Would it be easy to intercept the rnorms as computed in e.g. fgmres
>> into an array? E.g. have
>>
>> 0 KSP Residual norm 5.955965225039e-04
>> 1 KSP Residual norm 8.064336982160e-05
>> 2 KSP Residual norm 2.550695121313e-05
>> 3 KSP Residual norm 7.872959324551e-06
>> 4 KSP Residual norm 2.084257872716e-06
>>
>> as {5.955965225039e-04, 8.064336982160e-05, ...} for independent
>> logging etc.
>>
>> I know how I can do it the long way (e.g. writing my own convergence
>> test where I have an access to rnorm), but I was wondering if there
>> was a short way.
>>
>> with regards,
>> Dominik
>
More information about the petsc-users
mailing list