petsc-3.12.5 2020-03-29
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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 on PC

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

PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale()

Level

advanced

Location

src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages