PCMAT#

A preconditioner obtained by multiplying by the preconditioner matrix supplied in PCSetOperators() or KSPSetOperators()

Note#

This one is a little strange. One rarely has an explicit matrix that approximates the inverse of the matrix they wish to solve for.

See Also#

PCCreate(), PCSetType(), PCType, 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