PETSc version 3.16.5
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# PetscSubcommSetNumber

Set total number of subcommunicators.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscSubcommSetNumber(PetscSubcomm psubcomm,PetscInt nsubcomm)

Collective

### Input Parameters

| psubcomm | - PetscSubcomm context
| nsubcomm | - the total number of subcommunicators in psubcomm

### See Also

PetscSubcommCreate(),PetscSubcommDestroy(),PetscSubcommSetType(),PetscSubcommSetTypeGeneral()

### Level

advanced

### Location

src/sys/objects/subcomm.c

### Examples

src/ksp/ksp/tutorials/ex73.c.html
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