```tex
\documentclass[a4paper,UTF8,twoside]{article}
\usepackage[notext,nomath,not1,notextcomp]{stix...
```tex
\documentclass[a4paper,UTF8,twoside]{article}
\usepackage[notext,nomath,not1,notextcomp]{stix}
\usepackage{amsmath}
\begin{document}
\begin{displaymath}
\fint
\end{displaymath}
\end{document}
```
stix宏包中有定义\fint,但是实际使用中却显示该命令未定义,请问如何解决?![命令未定义](https://pics.latexstudio.net/data/images/202004/407dcb94b1ff7e2.png "命令未定义")![宏包中有定义](https://pics.latexstudio.net/data/images/202004/ffffd70f29ee48a95.png "宏包中有定义")
作者追问:2020-04-02 20:33
作者追问:2020-04-02 20:33
回答: 2020-04-02 20:33
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