petsc-3.7.5 2017-01-01
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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

Keywords

MG, get, multigrid, interpolation, level

See Also

PCMGGetRestriction(), PCMGSetInterpolation(), PCMGGetRScale()

Level:advanced
Location:src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
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Index of all manual pages