MatFDColoringSetFunction

Sets the function to use for computing the Jacobian.

Synopsis

int MatFDColoringSetFunction(MatFDColoring matfd,int (*f)(void),void *fctx)
Collective on MatFDColoring

Input Parameters

coloring - the coloring context
f - the function
fctx - the optional user-defined function context

Notes

In Fortran you must call MatFDColoringSetFunctionSNES() for a coloring object to be used with the SNES solvers and MatFDColoringSetFunctionTS() if it is to be used with the TS solvers.

Keywords

Mat, Jacobian, finite differences, set, function

Examples

src/snes/examples/tutorials/ex8.c

Level:intermediate
Location:src/mat/matfd/fdmatrix.c
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