petsc-3.6.2 2015-10-02
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# MatFDColoringSetBlockSize

Sets block size for efficient inserting entries of Jacobian matrix.

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatFDColoringSetBlockSize(MatFDColoring matfd,PetscInt brows,PetscInt bcols)

Logically Collective on MatFDColoring

### Input Parameters

| coloring | - the coloring context
| brows | - number of rows in the block
| bcols | - number of columns in the block

### Keywords

Mat, coloring

### See Also

MatFDColoringCreate(), MatFDColoringSetFromOptions()

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