MatDiagonalScale

Scales a matrix on the left and right by diagonal matrices that are stored as vectors. Either of the two scaling matrices can be PETSC_NULL.

#include "petscmat.h" 
int MatDiagonalScale(Mat mat,Vec l,Vec r)

Collective on Mat

	mat	- the matrix to be scaled
	l	- the left scaling vector (or PETSC_NULL)
	r	- the right scaling vector (or PETSC_NULL)

MatDiagonalScale() computes A = LAR, where L = a diagonal matrix, R = a diagonal matrix