petsc-3.3-p7 2013-05-11
MatFDColoringGetPerturbedColumns
Returns the indices of the columns that that are currently being perturbed.
Synopsis
#include "petscmat.h"
PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring coloring,PetscInt *n,PetscInt *cols[])
Not Collective
Input Parameters
coloring -coloring context created with MatFDColoringCreate()
Output Parameters
| n | - the number of local columns being perturbed
|
| cols | - the column indices, in global numbering
|
See Also
MatFDColoringCreate(), MatFDColoringDestroy(), MatFDColoringView(), MatFDColoringApply()
Keywords
coloring, Jacobian, finite differences
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