petsc-3.4.5 2014-06-29
MatMFFDSetFunctioniBase
Sets the base vector for a single component function evaluation
Synopsis
#include "petscmat.h"
PetscErrorCode MatMFFDSetFunctioniBase(Mat mat,PetscErrorCode (*func)(void*,Vec))
Logically Collective on Mat
Input Parameters
| mat | - the matrix free matrix created via MatCreateSNESMF()
|
| func | - 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(), MatCreateMFFD(), MATMFFD
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