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

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

See Also

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

Level

intermediate

Location

src/mat/matfd/fdmatrix.c

Examples

src/mat/tutorials/ex16.c
src/tao/unconstrained/tutorials/minsurf2.c
src/snes/tutorials/ex14.c

Implementations

MatFDColoringCreate_MPIXAIJ() in src/mat/impls/aij/mpi/fdmpiaij.c
MatFDColoringCreate_SeqXAIJ() in src/mat/impls/aij/seq/fdaij.c

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Index of all MatFD routines
Table of Contents for all manual pages
Index of all manual pages