-pc_composite_type <type: one of multiplicative, additive, symmetric_multiplicative, special> | - Sets composite preconditioner type Many br | |
-pc_use_amat | - Activates PCSetUseAmat() Many br | |
-pc_composite_pcs | - <pc0,pc1,...> list of PCs to compose Many br |
Many br
Notes: To use a Krylov method inside the composite preconditioner, set the PCType of one or more Many brinner PCs to be PCKSP. Many brUsing a Krylov method inside another Krylov method can be dangerous (you get divergence or Many brthe incorrect answer) unless you use KSPFGMRES as the outer Krylov method Many br
Level:intermediate
Location:src/ksp/pc/impls/composite/composite.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages