PETSc version 3.15.5
MatPartitioningSetNParts
Set how many partitions need to be created; by default this is one per processor. Certain partitioning schemes may in fact only support that option. 
Synopsis
#include "petscmat.h" 
PetscErrorCode  MatPartitioningSetNParts(MatPartitioning part,PetscInt n)
Not collective
Input Parameter
|  | partitioning | - the partitioning context | 
|  | n | - the number of partitions | 
Not Collective
See Also
 MatPartitioningCreate(), MatPartitioningApply()
Level
intermediate
Location
src/mat/partition/partition.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages