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 SNESFAS nonlinear multigrid context
level - the level (0 is coarsest) to supply [do not supply 0]

Output Parameter#

mat - the interpolation operator

See Also#

SNES: Nonlinear Solvers, SNES, SNESFAS, SNESFASSetRestriction(), SNESFASGetInjection(), SNESFASGetInterpolation(), SNESFASGetRScale()

Level#

advanced

Location#

src/snes/impls/fas/fasfunc.c

Index of all SNESFAS routines
Table of Contents for all manual pages
Index of all manual pages