Equation Icon  ( ) ( ) -𝒢--- 𝒢-- 1- ∘ --- 𝒢2- ∘ --- (A ) f(𝒢 ) = λ √ 𝒢-arctan 𝒢 − 2λ 𝒢∗ln 1 + 𝒢2 − αλ 𝒢∗, (12.16 ) ∗ ( ∗) ∗ (B ) f(𝒢 ) = λ √𝒢--arctan 𝒢-- − αλ∘ 𝒢-, (12.17 ) 𝒢∗ 𝒢∗ ∗