CES Function

Documentation

Lean 4 Proof

def cesFun (J : ℕ) (a : Fin J → ℝ) (ρ : ℝ) : (Fin J → ℝ) → ℝ :=
  fun x => (∑ j : Fin J, a j * (x j) ^ ρ) ^ (1 / ρ)

Dependency Graph

Module Section

Core definitions for the Lean formalization of Paper 1: