petsc-master 2019-11-16
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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