freeCodeCamp/guide/chinese/miscellaneous/learn-a-little-about-latex/index.md

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---
title: Learn a Little About Latex
localeTitle: 了解乳胶
---
LaTeX专为生产技术和科学文档而设计。您可以创建矩阵数组或其他几个数学函数。
`$$ (latex language) $$`
您可以在GitterIM中嵌入Latex。例子
## 排列
```
$$\begin{array} {cc}
arr11 & arr12\\
arr21 & arr22\\
\end{array}$$
```
## 矩阵
```
$$\begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}$$
```
## 格式化
```
$$\huge\textstyle\color{#F00}{BigRed}\small\textstyle\color{#0F0}{SmallGreen}$$
```
[功能支持](https://github.com/Khan/KaTeX/wiki/Function-Support-in-KaTeX)
## 细节
[KaTeX Github Repo](https://github.com/Khan/KaTeX) LaTeX是一种高品质的排版系统;它包括为生产技术和科学文档而设计的功能。 LaTeX是科学文献交流和出版的事实标准。他的优点在书籍论文或论文等长篇文件中都很明显。
Gitter使用KatexLaTeX的自定义实现可以使用它来介绍以下代码
```
$$\begin{array} {cc}
item11 & item12\
item21 & item 22\
\end{array}
$$
```
文本:
* `$$\huge\textstyle{some text}$$` - > $$ \\ huge \\ textstyle {some text} $$
* `$$\color{#F90}{some text}$$` - > $$ \\ color {F90} {some text} $$