MatMFFDGetH#

Gets the last value that was used as the differencing for a MATMFFD matrix parameter.

Synopsis#

#include "petscmat.h"   
PetscErrorCode MatMFFDGetH(Mat mat, PetscScalar *h)

Not Collective

Input Parameters#

Output Parameter#

  • h - the differencing step size

See Also#

Matrices, Mat, MATMFFD, MatCreateSNESMF(), MatMFFDSetHHistory(), MatCreateMFFD(), MATMFFD, MatMFFDResetHHistory()

Level#

advanced

Location#

src/mat/impls/mffd/mffd.c

Implementations#

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


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