$(z\frac{\mathrm{mathrm}d}{\mathrm{mathrm}dz}z^)n\left(e^{-\frac{1}{2}z}{z}^{\kappa -1}{M}_{\kappa ,\mu }\right(z\left)\right)=(\mathrm{tfrac}12+\mu +\kappa \_)n{e}^{-\frac{1}{2}z}{z}^{\kappa +n-1}{M}_{\kappa +n,\mu }\left(z\right)$