MatMFFDSetPeriod#
Sets how often h is recomputed for a MATMFFD matrix, by default it is every time
Synopsis#
#include "petscmat.h"   
PetscErrorCode MatMFFDSetPeriod(Mat mat, PetscInt period)
Logically Collective
Input Parameters#
- mat - the - MATMFFDmatrix-free matrix
- period - 1 for every time, 2 for every second etc 
Options Database Key#
- -mat_mffd_period - - Sets how often- his recomputed
See Also#
Matrices, Mat, MATMFFD, MatCreateSNESMF(), MatMFFDGetH(),
MatMFFDSetHHistory(), MatMFFDResetHHistory()
Level#
advanced
Location#
Implementations#
MatMFFDSetPeriod_MFFD() in src/mat/impls/mffd/mffd.c
Index of all Mat routines
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Index of all manual pages