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structure definition def or abbrev

AnnularRingSample

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formal statement (Lean)

 299structure AnnularRingSample (n : ℕ) where
 300  increments : Fin (8 * n) → ℝ
 301  winding : ℤ
 302  winding_constraint : ∑ j, increments j = -(2 * Real.pi * winding)
 303
 304/-- The J-cost of one ring: sum of phiCost over all angular edges. -/

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