# PCNONE

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

Notes: This is implemented by a VecCopy()

### See Also

PCCreate(), PCSetType(), PCType (for list of available types), PC

Level:beginner
Location:src/ksp/pc/impls/none/none.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/ksp/examples/tutorials/ex7.c.html
src/snes/examples/tutorials/ex1.c.html
src/snes/examples/tutorials/ex6.c.html
src/snes/examples/tutorials/ex1f.F.html