openAI-math-dataset / lean /OAI /Geometry /CylinderCovering /Rational /DictionaryCostDefinitions.lean
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import OAI.Geometry.CylinderCovering.Rational.DictionaryDefinitions
import OAI.Geometry.CylinderCovering.Rational.RealizationDefinitions
namespace OAI
noncomputable section
open MeasureTheory
namespace RationalDictionary
def orthonormalWeight (d0 k : ℝ) (p : Plane) : ℝ :=
1 / Real.sqrt (1 + k ^ 2 * (v1 d0 (p 0) (p 1) ^ 2 + v2 d0 (p 0) (p 1) ^ 2))
def orthonormalCost (d0 eta0 k : ℝ) : ℝ :=
∫ p in uncenteredDomain d0 eta0 k, orthonormalWeight d0 k p
def CostDictionaryStatement : Prop :=
∀ d0 : ℝ, 0 < d0 → ∀ eta0 k : ℝ,
SlopeRational.weightedCost (centeredRegularization d0) (centeredTilt d0 k)
(centeredPadding eta0 k) = orthonormalCost d0 eta0 k / 8
end RationalDictionary
end
end OAI