petsc-3.7.7 2017-09-25

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DMCoarsen

Coarsens a DM object

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
PetscErrorCode DMCoarsen(DM dm, MPI_Comm comm, DM *dmc)

Collective on DM

Input Parameter

	dm	- the DM object
	comm	- the communicator to contain the new DM object (or MPI_COMM_NULL)

Output Parameter

dmc -the coarsened DM

See Also

DMRefine(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation()

Level:developer
Location:src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/dm/examples/tutorials/ex65dm.c.html
src/ksp/ksp/examples/tutorials/ex65.c.html