MatSNESMFSetFromOptions
Sets the MatSNESMF options from the command line parameter.
Synopsis
#include "petscsnes.h"
int MatSNESMFSetFromOptions(Mat mat)
Collective on Mat
Input Parameters
mat -the matrix obtained with MatCreateSNESMF()
Options Database Keys
| -snes_mf_type | - <default,wp>
|
| -snes_mf_err | - square root of estimated relative error in function evaluation
|
-snes_mf_period -how often h is recomputed, defaults to 1, everytime
Keywords
SNES, matrix-free, parameters
See Also
MatCreateSNESMF(),MatSNESMFSetHHistory(),
MatSNESMFResetHHistory(), MatSNESMFKSPMonitor()
Level:advanced
Location:src/snes/mf/snesmfj.c
Index of all SNESMF routines
Table of Contents for all manual pages
Index of all manual pages