petsc-3.8.4 2018-03-24
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DMRestrict

 restricts user-defined problem data to a coarser DM by running hooks registered by DMCoarsenHookAdd()

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMRestrict(DM fine,Mat restrct,Vec rscale,Mat inject,DM coarse)
Collective if any hooks are

Input Arguments

fine - finer DM to use as a base
restrct - restriction matrix, apply using MatRestrict()
rscale - scaling vector for restriction
inject - injection matrix, also use MatRestrict()
coarse - coarser DM to update

See Also

DMCoarsenHookAdd(), MatRestrict()

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