theorem
proved
term proof
normalized_eq_one_at_max
show as:
view Lean formalization →
formal statement (Lean)
80theorem normalized_eq_one_at_max (a : ℕ → ℝ) (n : ℕ)
81 (hmax : a n = runningMax a n) (hpos : 0 < a n) :
82 normalized a n = 1 := by
proof body
Term-mode proof.
83 unfold normalized
84 rw [hmax]
85 exact div_self (ne_of_gt (runningMax_pos a n hpos))
86
87/-! ## Rescaled Coordinates -/
88
89/-- The rescaling factor λₙ = 1 / √(runningMax a n).
90 Used to rescale space: x ↦ x/λₙ, t ↦ t/λₙ². -/