Gets the aggregates that map between grids associated with two DMDAs.
PetscErrorCode DMDACreateAggregates(DM dac,DM daf,Mat *rest)
Collective on dmc
|dmc ||- the coarse grid DMDA
|dmf ||- the fine grid DMDA
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@example.com if they plan to use it.
DMRefine(), DMCreateInjection(), DMCreateInterpolation()
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages