# VecSetLocalToGlobalMapping
Sets a local numbering to global numbering used by the routine VecSetValuesLocal() to allow users to insert vector entries using a local (per-processor) numbering. 
## Synopsis
```
#include "petscvec.h"   
PetscErrorCode VecSetLocalToGlobalMapping(Vec x, ISLocalToGlobalMapping mapping)
```
Logically Collective on Vec


## Input Parameters

- ***x -*** vector
- ***mapping -*** mapping created with ISLocalToGlobalMappingCreate() or ISLocalToGlobalMappingCreateIS()



## Notes
All vectors obtained with VecDuplicate() from this vector inherit the same mapping.



seealso:  VecAssemblyBegin(), VecAssemblyEnd(), VecSetValues(), VecSetValuesLocal(),
VecSetLocalToGlobalMapping(), VecSetValuesBlockedLocal()

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/interface/vector.c.html#VecSetLocalToGlobalMapping">src/vec/vec/interface/vector.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/tutorials/ex8.c.html">src/vec/vec/tutorials/ex8.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/tutorials/ex8f.F90.html">src/vec/vec/tutorials/ex8f.F90.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex71.c.html">src/ksp/ksp/tutorials/ex71.c.html</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/vec/interface/vector.c)


[Index of all Vec routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
