petsc-3.13.6 2020-09-29
SNESFASGetRestriction
Gets the matrix used to calculate the restriction from l to the l-1th level
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESFASGetRestriction(SNES snes, PetscInt level, Mat *mat)
Input Parameters
| snes | - the multigrid context
|
| level | - the level (0 is coarsest) to supply [do not supply 0]
|
Output Parameters
mat -the interpolation operator
See Also
SNESFASSetRestriction(), SNESFASGetInjection(), SNESFASGetInterpolation(), SNESFASGetRScale()
Level
advanced
Location
src/snes/impls/fas/fasfunc.c
Index of all SNESFAS routines
Table of Contents for all manual pages
Index of all manual pages