PETSc version 3.15.5
DMPlexComputeInterpolatorNested
Form the local portion of the interpolation matrix I from the coarse DM to a uniformly refined DM. 
Synopsis
#include "petscdmplex.h"   
PetscErrorCode DMPlexComputeInterpolatorNested(DM dmc, DM dmf, PetscBool isRefined, Mat In, void *user)
Input Parameters
|  | dmc | - The coarse mesh | 
|  | dmf | - The fine mesh | 
|  | isRefined | - Flag indicating regular refinement, rather than the same topology | 
|  | user | - The user context | 
Output Parameter
|  | In | - The interpolation matrix | 
See Also
 DMPlexComputeInterpolatorGeneral(), DMPlexComputeJacobianFEM()
Level
developer
Location
src/dm/impls/plex/plexfem.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages