PCNONE

This is used when you wish to employ a nonpreconditioned Krylov method.

Developer Note

This is implemented by a VecCopy(). It would be nice if the KSP implementations could be organized to avoid this copy without making them more complex.

See Also

PCCreate(), PCSetType(), PCType, PC

Level

beginner

Location

src/ksp/pc/impls/none/none.c

Examples

src/ksp/ksp/tutorials/ex27.c
src/ksp/ksp/tutorials/ex60.c
src/ksp/ksp/tutorials/ex7.c
src/ksp/ksp/tutorials/ex7f.F90
src/snes/tutorials/ex1.c
src/snes/tutorials/ex1f.F90
src/snes/tutorials/ex99.c
src/tao/unconstrained/tutorials/eptorsion2.c
src/ts/tutorials/ex20opt_ic.c
src/ts/tutorials/ex20opt_p.c

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Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages