The symbolic toolbox in MATLAB can output LaTeX code, which you can render by means of LaTeX itself or some alternatives such as MimeTeX.
s = sym('s');
latex(sqrt(s^3)); % will output '\sqrt{s^3}'
If you look around on the File Exchange, you can find lots of LaTeX-related MATLAB functions, e.g. TeX Editor
On the other hand, if that is not what you want: LyX also is open source, you could look for open-source Computer Algebra Software (CAS) such as Maxima. There is bound to be something that might do more or less what you want.
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MATLAB 中的符号工具箱可以输出 LaTeX 代码，您可以通过 LaTeX 本身或某些替代方案（例如 MimeTeX）来呈现该代码。
如果您查看 File Exchange，您可以找到许多与 LaTeX 相关的 MATLAB 函数，例如 TeX 编辑器
另一方面，如果这不是您想要的：LyX 也是开源的，您可以寻找开源计算机代数软件 (CAS)，例如 Maxima。肯定有一些东西或多或少可以满足您的需求。
The symbolic toolbox in MATLAB can output LaTeX code, which you can render by means of LaTeX itself or some alternatives such as MimeTeX.
If you look around on the File Exchange, you can find lots of LaTeX-related MATLAB functions, e.g. TeX Editor
On the other hand, if that is not what you want: LyX also is open source, you could look for open-source Computer Algebra Software (CAS) such as Maxima. There is bound to be something that might do more or less what you want.