petsc-3.14.6 2021-03-30
Report Typos and Errors

MatMFFDSetPeriod

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

Synopsis

#include "petscmat.h"   
PetscErrorCode  MatMFFDSetPeriod(Mat mat,PetscInt period)
Logically 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

-mat_mffd_period <period>

See Also

MatCreateSNESMF(),MatMFFDGetH(),
MatMFFDSetHHistory(), MatMFFDResetHHistory()

Level

advanced

Location

src/mat/impls/mffd/mffd.c

Implementations

MatMFFDSetPeriod_MFFD in src/mat/impls/mffd/mffd.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages