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Enumerations

Numerics.ComputationalMode

  • Hankel: Essentially Probed Eigenvalue Realization Algorithm (ERA).
  • SPLoewner: Hankel using probed generalized moments at a single shift.
  • MPLoewner: Generic tangential Loewner interpolation.

Numerics.SampleMode

  • Direct: Sampling the operator via numerical integration directly.
  • Inverse: Sampling the operator via numerical integration of the operator inverse -- in this the operator is (implicitly) assumed to satisfy the assumptions of Kelysh's theorem within the contour of interest.