petsc-3.7.7 2017-09-25

MatScatterSetVecScatter

sets that scatter that the matrix is to apply as its linear operator

#include "petscmat.h" 
PetscErrorCode  MatScatterSetVecScatter(Mat mat,VecScatter scatter)

Collective on Mat

	mat	- the scatter matrix
	scatter	- the scatter context create with VecScatterCreate()