petsc-3.7.7 2017-09-25
   
SNESFASGetRestriction
Gets the matrix used to calculate the restriction from l to the l-1th level 
Synopsis
#include "petscsnes.h"  
PetscErrorCode SNESFASGetRestriction(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, restrict, level
See Also
 SNESFASSetRestriction(), SNESFASGetInjection(), 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