petsc-3.7.5 2017-01-01

MatISSetLocalMat

Replace the local matrix stored inside a MATIS object.

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

mat -the matrix

local -the local matrix

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