petsc-3.7.3 2016-07-24
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# DMGlobalToLocalBegin

Begins updating local vectors from global vector

### Synopsis

    #include "petscdm.h"
    #include "petscdmlabel.h"
    PetscErrorCode  DMGlobalToLocalBegin(DM dm,Vec g,InsertMode mode,Vec l)

Neighbor-wise Collective on DM

### Input Parameters

| dm | - the DM object
| g | - the global vector
| mode | - INSERT_VALUES or ADD_VALUES
| l | - the local vector

### See Also

DMCoarsen(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation(), DMGlobalToLocalEnd(), DMLocalToGlobalBegin()

Level:beginner
Location: src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/dm/examples/tutorials/ex1.c.html
src/dm/examples/tutorials/ex3.c.html
src/dm/examples/tutorials/ex5.c.html
src/dm/examples/tutorials/ex7.c.html
src/dm/examples/tutorials/ex9.c.html
src/ksp/ksp/examples/tutorials/ex31.c.html
src/ksp/ksp/examples/tutorials/ex42.c.html
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex14f.F.html
src/snes/examples/tutorials/ex3.c.html