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structure definition def or abbrev

EdgePerturbation

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formal statement (Lean)

  81structure EdgePerturbation (nE : ℕ) where
  82  eta : Fin nE → ℝ
  83
  84/-- Linearization coefficients: for each (hinge, edge) pair, the partial
  85    derivative of the deficit angle with respect to the edge length,
  86    evaluated at the flat background. -/

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