MatSNESMFWPSetComputeNormU
Sets whether it computes the ||U|| used by the WP PETSc routine for computing h. With any Krylov solver this need only be computed during the first iteration and kept for later.
Synopsis
int MatSNESMFWPSetComputeNormU(Mat A,PetscTruth flag)
Input Parameters
A | - the matrix created with MatCreateSNESMF()
|
flag | - PETSC_TRUE causes it to compute ||U||, PETSC_FALSE uses the previous value
|
Notes
See the manual page for MatCreateSNESMF() for a complete description of the
algorithm used to compute h.
See Also
MatSNESMFSetFunctionError(), MatCreateSNESMF()
Level:advanced
Location:src/snes/mf/wp.c
SNES Index
Table of Contents