Scaled Polynomial Degree

StatusFully Proven
TypeTheorem
ModuleChebyshevCircles.Proofs.PolynomialConstruction

Statement

Theorem Scaled Polynomial Degree

For $N > 0$, $\deg S_N(x;\theta) = N.$

theorem scaledPolynomial_degree (N : ) (θ : ) (_hN : 0 < N) :
    (scaledPolynomial N θ).degree = N := by
Proof


  unfold scaledPolynomial
  rw [degree_C_mul, unscaledPolynomial_degree N θ]
  exact pow_ne_zero (N - 1) two_ne_zero

Neighborhood

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