petsc-3.13.6 2020-09-29
DMDACreateAggregates
Gets the aggregates that map between grids associated with two DMDAs.
Synopsis
#include "petscdmda.h"
PetscErrorCode DMDACreateAggregates(DM dac,DM daf,Mat *rest)
Collective on dmc
Input Parameters
| dmc | - the coarse grid DMDA
|
| dmf | - the fine grid DMDA
|
Output Parameters
rest -the restriction matrix (transpose of the projection matrix)
Note: This routine is not used by PETSc.
It is not clear what its use case is and it may be removed in a future release.
Users should contact [email protected] if they plan to use it.
See Also
DMRefine(), DMCreateInjection(), DMCreateInterpolation()
Level
intermediate
Location
src/dm/impls/da/dainterp.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages