petsc-3.7.1 2016-05-15
MatRestrict
y = A*x or A'*x
Synopsis
#include "petscmat.h"
PetscErrorCode MatRestrict(Mat A,Vec x,Vec y)
Neighbor-wise Collective on Mat Many br
Input Parameters
| mat | - the matrix Many br |
| x,y | - the vectors Many br |
Many br
Notes
This allows one to use either the restriction or interpolation (its transpose) Many brmatrix to do the restriction Many br
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/dm/examples/tutorials/ex65dm.c.html
src/snes/examples/tutorials/ex12.c.html