公式主体部分的代码:
\begin{eqnarray}
(i) &&\hspace{-1.5em} E_{\alpha,\beta}(z)=zE_{\alpha,\alpha+\beta}(z)%
+\frac{1}{\Gamma(\beta)} \\
(ii) &&\hspace{-1.5em} E_{\alpha,\beta}(z)=\beta E_{\alpha,\beta+1}(z)%
+\alpha z\frac{\mathrm{d}}{\mathrm{d}z}E_{\alpha,\beta +1}(z) \\
(iii) &&\hspace{-1.5em} \left(\frac{\mathrm{d}}{\mathrm{d}z}\right)^m%
\left[z^{\beta-1}E_{\alpha,\beta}(z^{\alpha})\right]%
=z^{\beta-m-1}E_{\alpha,\beta-m}(z^{\alpha}), \\
&&\hspace{-1.5em} \mathfrak{R}(\beta-m)>0,m=0,1,\ldots
\end{eqnarray}
需要在导言区加载 amsfonts 宏包。
结果如下图: