petsc-3.4.5 2014-06-29
MatMFFDSetFunctioni
Sets the function for a single component
Synopsis
#include "petscmat.h"
PetscErrorCode MatMFFDSetFunctioni(Mat mat,PetscErrorCode (*funci)(void*,PetscInt,Vec,PetscScalar*))
Logically Collective on Mat
Input Parameters
| mat | - the matrix free matrix created via MatCreateSNESMF()
|
| funci | - the function to use
|
Notes
If you use this you MUST call MatAssemblyBegin()/MatAssemblyEnd() on the matrix free
matrix inside your compute Jacobian routine
Keywords
SNES, matrix-free, function
See Also
MatCreateSNESMF(),MatMFFDGetH(), MatMFFDSetHHistory(), MatMFFDResetHHistory(), SNESetFunction()
Level:advanced
Location:src/mat/impls/mffd/mffd.c
Index of all Mat routines
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Index of all manual pages