MatSNESMFGetH
Gets the last value that was used as the differencing parameter.
Synopsis
#include "petscsnes.h"
int MatSNESMFGetH(Mat mat,PetscScalar *h)
Not Collective
Input Parameters
mat -the matrix obtained with MatCreateSNESMF()
Output Paramter
h -the differencing step size
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