PETSc version 3.15.5
PetscSectionCreateSubsection
Create a new, smaller section composed of only the selected fields 
Synopsis
#include "petscsection.h"   
PetscErrorCode PetscSectionCreateSubsection(PetscSection s, PetscInt len, const PetscInt fields[], PetscSection *subs)
Collective on s
Input Parameter
|  | s | - the PetscSection | 
|  | len | - the number of subfields | 
|  | fields | - the subfield numbers | 
Output Parameter
Note: The section offsets now refer to a new, smaller vector.
See Also
 PetscSectionCreateSupersection(), PetscSectionCreate()
Level
advanced
Location
src/vec/is/section/interface/section.c
Index of all PetscSection routines
Table of Contents for all manual pages
Index of all manual pages