petsc-3.7.3 2016-07-24
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# PetscDSSetAdjacency

Set the flags for determining variable influence

### Synopsis

    #include "petscds.h"
    PetscErrorCode PetscDSSetAdjacency(PetscDS prob, PetscInt f, PetscBool useCone, PetscBool useClosure)

Not collective

### Input Parameters

| prob | - The PetscDS object
| f | - The field number
| useCone | - Flag for variable influence starting with the cone operation
| useClosure | - Flag for variable influence using transitive closure

Note: See the discussion in DMPlexGetAdjacencyUseCone() and DMPlexGetAdjacencyUseClosure()

### See Also

PetscDSGetAdjacency(), DMPlexGetAdjacencyUseCone(), DMPlexGetAdjacencyUseClosure(), PetscDSSetDiscretization(), PetscDSAddDiscretization(), PetscDSGetBdDiscretization(), PetscDSGetNumFields(), PetscDSCreate()

Level:developer
Location: src/dm/dt/interface/dtds.c
Index of all DM routines
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Index of all manual pages