Hi, No I'm not. Will using ptype2 or ksptype2 work?
Yours sincerely, TAY wee-beng On 24/12/2011 3:07 PM, Matthew Knepley wrote: > On Sat, Dec 24, 2011 at 7:42 AM, TAY wee-beng <zonexo at gmail.com > <mailto:zonexo at gmail.com>> wrote: > > Hi, > > I am solving 4 linear equations in my cfd code. I have declared > them as: > > KSP ksp,ksp_semi_x,ksp_semi_y,ksp_semi_z > > PC pc,pc_semi_x,pc_semi_y,pc_semi_z > > PCType ptype > > KSPType ksptype > > However, I only want to solve the 1st eqn via hypre (thru command > prompt), and the others via KSPBCGS. > > I now add: > > ksp_type richardson -pc_type hypre -pc_type_hypre boomeramg > > Are all the eqns now solved using hypre? > > How should I specify in the command prompt? > > > > Are you using DMDA? If so, its easy to do PCFIELDSPLIT from the > command line. > > Matt > > > > -- > Yours sincerely, > > TAY wee-beng > > > > > -- > 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111224/80e0206f/attachment-0001.htm>
