MatSNESMFSetPeriod

Sets how often h is recomputed, by default it is everytime

Synopsis

#include "petscsnes.h"   
PetscErrorCode PETSCSNES_DLLEXPORT MatSNESMFSetPeriod(Mat mat,PetscInt period)

Collective on Mat

Input Parameters

	mat	- the matrix free matrix created via MatCreateSNESMF()
	period	- 1 for everytime, 2 for every second etc

Options Database Keys

Keywords

SNES, matrix-free, parameters

See Also

MatCreateSNESMF(),MatSNESMFGetH(),
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

-snes_mf_period <period>

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