Thank you Jed, I get it! Best, Hui
________________________________________ From: Jed Brown [[email protected]] Sent: Wednesday, December 03, 2014 10:10 PM To: Sun, Hui; [email protected] Subject: Re: [petsc-users] how to use external solvers "Sun, Hui" <[email protected]> writes: > Hello, > > I try to use external packages such as umfpack or superlu, which are listed > here: > http://www.mcs.anl.gov/research/projects/petsc/documentation/linearsolvertable.html > > I have PETSc compiled and installed with those external packages. Presumably > I think to use umfpack would be simply to specify an option in the command > line arguments. However, I had a hard time finding the correct option. How > can I look it up? Thank you. -pc_type lu -pc_factor_mat_solver_package umfpack Linked from all the implementation pages on the table above: http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCFactorSetMatSolverPackage.html#PCFactorSetMatSolverPackage
