petsc-3.10.5 2019-03-28
DMCreateInterpolationScale
Forms L = R*1/diag(R*1) - L.*v is like a coarse grid average of the nearby fine grid points.
Synopsis
#include "petscdmda.h"
PetscErrorCode DMCreateInterpolationScale(DM dac,DM daf,Mat mat,Vec *scale)
Input Parameters
| dac | - DM that defines a coarse mesh
|
| daf | - DM that defines a fine mesh
|
| mat | - the restriction (or interpolation operator) from fine to coarse
|
Output Parameter
scale -the scaled vector
See Also
DMCreateInterpolation()
Level
developer
Location
src/dm/impls/da/dainterp.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages