On Mon, Apr 28, 2008 at 10:48 AM, Yujie <recrusader at gmail.com> wrote: > Thank you, Dave. I am wondering whether this function is ok to external > packages, such as Hypre? thanks a lot.
Yes, since it just calls PCApply() for each basis vector. Matt > Regards, > Yujie > > On 4/28/08, Dave May <dave.mayhem23 at gmail.com> wrote: > > Hi, > > You can use PetscErrorCode PCComputeExplicitOperator(PC pc,Mat *mat) > > > > See, > > > http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/PC/PCComputeExplicitOperator.html > > > > > > > > > > > > On Mon, Apr 28, 2008 at 8:19 AM, Yujie <recrusader at gmail.com> wrote: > > > > > Hi, everyone > > > > > > How to get the matrix "M_{L}^{-1}" in "M_{L}^{-1}Ax=M_{L}^{-1}b". I have > checked the function "PCGetOperators()". It only gets the matrix "pmat" used > to obtain the preconditioning matrix. thanks a lot. > > > > > > Regards, > > > Yujie > > > > > > > > > > > > > > > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
