PETSc version 3.17.4
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# DMDACreateCompatibleDMDA

Creates a DMDA with the same layout but with fewer or more fields

### Synopsis

    #include "petscdmda.h"
    PetscErrorCode  DMDACreateCompatibleDMDA(DM da,PetscInt nfields,DM *nda)

Collective

### Input Parameters

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

### Output Parameter

| nda | - the new DMDA

### See Also

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

### Level

intermediate

### Location

src/dm/impls/da/dacorn.c

### Examples

src/ksp/ksp/tutorials/ex43.c.html
src/ksp/ksp/tutorials/ex70.c.html
Index of all DMDA routines
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