petsc-master 2020-09-23
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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