petsc-3.10.5 2019-03-28
PCMAT
A preconditioner obtained by multiplying by the preconditioner matrix supplied in PCSetOperators() or KSPSetOperators()
Notes
This one is a little strange. One rarely has an explict matrix that approximates the
inverse of the matrix they wish to solve for.
See Also
PCCreate(), PCSetType(), PCType (for list of available types), PC,
PCSHELL
Level
intermediate
Location
src/ksp/pc/impls/mat/pcmat.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages