petsc-3.6.2 2015-10-02
   
DMCreateAggregates
Gets the aggregates that map between grids associated with two DMs. 
Synopsis
#include "petscdm.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