petsc-3.3-p7 2013-05-11
PCSUPPORTGRAPH
SupportGraph (i.e. diagonal scaling preconditioning)
Options Database Key
-pc_supportgraph_augment -augment the spanning tree
Notes: Zero entries along the diagonal are replaced with the value 1.0
See Also
PCCreate(), PCSetType(), PCType (for list of available types), PC
Level:beginner
Location:src/ksp/pc/impls/supportgraph/supportgraph.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages