Ya, bcgs worked, solving my own problem. But it doesn't seem to work with the test examples like ex1f or ex2f.
On 4/9/07, Boyce Griffith <griffith at cims.nyu.edu> wrote: > > > > Barry Smith wrote: > > > > On Mon, 9 Apr 2007, Ben Tay wrote: > >> 3. why can't I use bcgs or bicg with hypre? > > > > hypre doesn't support applying the transpose of the preconditioner > that > > bcgs and bicg need? > > I don't believe that Bi-CGSTAB (-ksp_type bcgs) uses matrix or > preconditioner transposes. On the other hand, bicg does. > > -- Boyce > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20070409/100090f8/attachment.htm>
