$$\frac{1}{\sqrt{2\pi }}\mathrm{经验值}｛-\frac{{（\sqrt{\raisebox{1ex}{$x$}\!\left/ \!\raisebox{-1ex}{$\beta $}\right.}-\sqrt{\raisebox{1ex}{$\beta $}\!\left/ \!\raisebox{-1ex}{$x$}\right.}）}^2}{2{\gamma }^2}｝（\frac{（\sqrt{\raisebox{1ex}{$x$}\!\left/ \!\raisebox{-1ex}{$\beta $}\right.}+\sqrt{\raisebox{1ex}{$\beta $}\!\left/ \!\raisebox{-1ex}{$x$}\right.}）}{2\gamma x}）$$

$$\frac{（\sqrt{\raisebox{1ex}{$x$}\!\left/ \!\raisebox{-1ex}{$\beta $}\right.}-\sqrt{\raisebox{1ex}{$\beta $}\!\left/ \!\raisebox{-1ex}{$x$}\right.}）}{\gamma }$$