PCMGGetInterpolation#
Gets the function to be used to calculate the interpolation from l-1 to the lth level
Synopsis#
#include "petscksp.h"
PetscErrorCode PCMGGetInterpolation(PC pc, PetscInt l, Mat *mat)
Logically Collective
Input Parameters#
pc - the multigrid context
l - the level (0 is coarsest) to supply [Do not supply 0]
Output Parameter#
mat - the interpolation matrix, can be
NULL
See Also#
KSP: Linear System Solvers, PCMG, PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale()
Level#
advanced
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages