Latex 公式左对齐
\begin{eqnarray}
&& \frac{\partial x}{\partial C_{ikj}} \\
&& \frac{\partial C_{ikj}}{\partial R_{ik}} \\
&& \frac{\partial C_{ikj}}{\partial R_{jk}}\\
&& a = R_{ik}^2-R_{jk}^2 , b = (R_{ij}^4-a^2)^2
\end{eqnarray}
默认右对齐
\begin{eqnarray}
\frac{\partial x}{\partial C_{ikj}} \\
\frac{\partial C_{ikj}}{\partial R_{ik}} \\
\frac{\partial C_{ikj}}{\partial R_{jk}}\\
a = R_{ik}^2-R_{jk}^2 , b = (R_{ij}^4-a^2)^2
\end{eqnarray}
\[\begin{eqnarray} \frac{\partial x}{\partial C_{ikj}} \\ \frac{\partial C_{ikj}}{\partial R_{ik}} \\ \frac{\partial C_{ikj}}{\partial R_{jk}}\\ a = R_{ik}^2-R_{jk}^2 , b = (R_{ij}^4-a^2)^2 \end{eqnarray} \]
左对齐
\begin{eqnarray}
&& \frac{\partial x}{\partial C_{ikj}} \\
&& \frac{\partial C_{ikj}}{\partial R_{ik}} \\
&& \frac{\partial C_{ikj}}{\partial R_{jk}}\\
&& a = R_{ik}^2-R_{jk}^2 , b = (R_{ij}^4-a^2)^2
\end{eqnarray}
\[\begin{eqnarray} && \frac{\partial x}{\partial C_{ikj}} \\ && \frac{\partial C_{ikj}}{\partial R_{ik}} \\ && \frac{\partial C_{ikj}}{\partial R_{jk}}\\ && a = R_{ik}^2-R_{jk}^2 , b = (R_{ij}^4-a^2)^2 \end{eqnarray} \]