petsc-3.3-p7 2013-05-11

MatISSetLocalMat

Set the local matrix stored inside a MATIS matrix.

#include "petscmat.h" 
PetscErrorCode  MatISSetLocalMat(Mat mat,Mat local)

mat -the matrix

local -the local matrix usually MATSEQAIJ

This can be called if you have precomputed the local matrix and want to provide it to the matrix object MATIS.