MatFDColoringCreate

Creates a matrix coloring context for finite difference computation of Jacobians.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatFDColoringCreate(Mat mat,ISColoring iscoloring,MatFDColoring *color)
Collective on Mat

Input Parameters

mat - the matrix containing the nonzero structure of the Jacobian
iscoloring - the coloring of the matrix; usually obtained with MatColoringCreate() or DMCreateColoring()

Output Parameter

color - the new coloring context

Level: intermediate

See Also

MatFDColoringDestroy(),SNESComputeJacobianDefaultColor(), ISColoringCreate(),
MatFDColoringSetFunction(), MatFDColoringSetFromOptions(), MatFDColoringApply(), MatFDColoringView(), MatFDColoringSetParameters(), MatColoringCreate(), DMCreateColoring(), MatFDColoringSetValues()

Location:fdmatrix.c