petsc-3.7.5 2017-01-01
SNESFASGetInterpolation
Gets the matrix used to calculate the interpolation from l-1 to the lth level
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESFASGetInterpolation(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
Keywords
FAS, multigrid, get, interpolate, level
See Also
SNESFASSetInterpolation(), SNESFASGetInjection(), SNESFASGetRestriction(), SNESFASGetRScale()
Level:advanced
Location:src/snes/impls/fas/fasfunc.c
Index of all SNES routines
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