petsc-3.12.5 2020-03-29
MatMFFDGetH
Gets the last value that was used as the differencing parameter.
Synopsis
#include "petscmat.h"
PetscErrorCode MatMFFDGetH(Mat mat,PetscScalar *h)
Not Collective
Input Parameters
mat -the matrix obtained with MatCreateSNESMF()
Output Paramter
h -the differencing step size
See Also
MatCreateSNESMF(),MatMFFDSetHHistory(), MatCreateMFFD(), MATMFFD, MatMFFDResetHHistory()
Level
advanced
Location
src/mat/impls/mffd/mffd.c
Implementations
MatMFFDGetH_MFFD in src/mat/impls/mffd/mffd.c
Index of all Mat routines
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Index of all manual pages