MatRestrict

y = A*x or A'*x

Synopsis

#include "petscmat.h" 
int MatRestrict(Mat A,Vec x,Vec y)

Collective on Mat

Input Parameters

	mat	- the matrix
	x,y	- the vectors

Notes

This allows one to use either the restriction or interpolation (its transpose) matrix to do the restriction

See Also

MatMultAdd(), MatMultTransposeAdd(), MatInterpolate()

Level:intermediate
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex29.c.html