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/snes/tutorials/ex14.c
src/tao/unconstrained/tutorials/minsurf2.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
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Index of all manual pages