petsc-3.7.5 2017-01-01
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SNESFASGetInjection

 Gets the matrix used to calculate the injection from l-1 to the lth level

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESFASGetInjection(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 injection operator

Keywords

FAS, multigrid, get, restrict, level

See Also

SNESFASSetInjection(), SNESFASGetRestriction(), SNESFASGetInterpolation(), SNESFASGetRScale()

Level:advanced
Location:src/snes/impls/fas/fasfunc.c
Index of all SNES routines
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Index of all manual pages