petsc-3.13.6 2020-09-29
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PCGAMGSetUseSAEstEig

 Use eigen estimate from smoothed aggregation for Cheby smoother

Synopsis

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetUseSAEstEig(PC pc, PetscBool n)
Collective on PC

Input Parameters

pc - the preconditioner context
n - number of its

Options Database Key

-pc_gamg_use_sa_esteig <true,false> - Notes:

See Also

()

Level

intermediate

Location

src/ksp/pc/impls/gamg/gamg.c

Implementations

PCGAMGSetUseSAEstEig_GAMG in src/ksp/pc/impls/gamg/gamg.c

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