HYPRE_Int HYPRE_BoomerAMGSetChebyFraction

(HYPRE_Solver solver,
  double ratio)

(Optional) Fraction of the spectrum to use for the Chebyshev smoother.

Documentation

(Optional) Fraction of the spectrum to use for the Chebyshev smoother. The default is .3 (i.e., damp on upper 30% of the spectrum).

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