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\begin{document}
\begin{equation} \label{eq:funcao_dif}
E_{i}\,I_{i}\,\frac{\partial ^4\,Y_{i}(\bar{x},t)}{\partial\bar{x}^4}+\rho_{i}\,A_{i}\frac{\partial ^2\,Y_{i}(\bar{x},t)}{\partial t^2}=\sum_{j=1}^{n}\,k_{j,l}\big(Y_{i}(\bar{\zeta}_{j},t))\,\bar{\delta}(\bar{x}-\bar{\zeta_{j}})+k_{j,r}\big(\frac{\partial Y_{i}(\bar{\zeta}_{j},t)}{\partial \bar{x}}\big)\,\bar{\delta}'(\bar{x}-\bar{\zeta_{j}})
\end{equation}
The solution of the \eqref{eq:funcao_dif}
\end{document}
我知道我有很多软件包，我正在写一篇技术论文，我需要数学软件包。现在我有一个方程式，我想给它贴上标签，但不起作用\eqref。这个问题已经在论坛上得到解答了，但我不知道哪些软件包之间会产生冲突？我还想知道哪些软件包最适合撰写期刊论文