ⅆnⅆ⁡zn⁡(ⅇ12⁢z⁢z-μ-12⁢Mκ,μ⁡(z))=(12+μ-κ)n(1+2⁢μ)n⁢ⅇ12⁢z⁢z-μ-12⁢(n+1)⁢Mκ-12⁢n,μ+12⁢n⁡(z),