MatFDColoringSetFunction

Sets the function to use for computing the Jacobian.

Synopsis

#include "petscmat.h" 
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

Level:intermediate
Location:
src/mat/matfd/fdmatrix.c
Index of all MatFD routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex5.c.html
src/snes/examples/tutorials/ex5s.c.html
src/snes/examples/tutorials/ex14.c.html
src/snes/examples/tutorials/ex26.c.html
src/ts/examples/tutorials/ex7.c.html