petsc-3.7.3 2016-08-01
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DMDAGetReducedDMDA

Gets the DMDA with the same layout but with fewer or more fields

Synopsis

#include "petscdmda.h"   
PetscErrorCode  DMDAGetReducedDMDA(DM da,PetscInt nfields,DM *nda)
Collective on DMDA

Input Parameters

da - the distributed array
nfields - number of fields in new DMDA

Output Parameter

nda -the new DMDA

Keywords

distributed array, get, corners, nodes, local indices, coordinates

See Also

DMDAGetGhostCorners(), DMSetCoordinates(), DMDASetUniformCoordinates(), DMGetCoordinates(), DMDAGetGhostedCoordinates()

Level:intermediate
Location:
src/dm/impls/da/dacorn.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex43.c.html