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structure definition def or abbrev

DiscreteModel

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formal statement (Lean)

  44structure DiscreteModel where
  45  /-- State type (e.g. truncated Fourier coefficients). -/
  46  State : Type
  47  /-- Tag: Galerkin vs grid, etc. -/
  48  kind : DiscretizationKind
  49  /-- One (discrete) time step of the model. -/
  50  step : NSParams → TimeStep → State → State
  51
  52/-- Optional energy functional on the discrete state (used for a priori bounds). -/

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