petsc-3.7.5 2017-01-01
DMCreateAggregates
Gets the aggregates that map between grids associated with two DMs.
Synopsis
#include "petscdm.h"
#include "petscdmlabel.h"
PetscErrorCode DMCreateAggregates(DM dmc, DM dmf, Mat *rest)
Collective on DM
Input Parameters
| dmc | - the coarse grid DM
|
| dmf | - the fine grid DM
|
Output Parameters
rest -the restriction matrix (transpose of the projection matrix)
Keywords
interpolation, restriction, multigrid
See Also
DMRefine(), DMCreateInjection(), DMCreateInterpolation()
Level:intermediate
Location:src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages