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

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