最近在写文章，有好多数学公式的命令都忘记了， 今天索性一起整理下。
1 可以在文章的作者上引用的符号
2 一些括号用法
3 一些高等数学的公式
4 交，并集
5 一些二项式
6 矩阵写法
7 大小写
8 异体字母
9 箭头
10 空格
11 一些颜色
附上其他觉得不错的一些代码
| Symbol | Command | Symbol | Command | Symbol | Command |
|---|---|---|---|---|---|
 |
\pm |  |
\mp |  |
\times |
 |
\div |  |
\cdot |  |
\ast |
 |
\star |  |
\dagger |  |
\ddagger |
 |
\amalg |  |
\cap |  |
\cup |
 |
\uplus |  |
\sqcap |  |
\sqcup |
 |
\vee |  |
\wedge |  |
\oplus |
 |
\ominus |  |
\otimes |  |
\circ |
 |
\bullet |  |
\diamond |  |
\lhd |
 |
\rhd |  |
\unlhd |  |
\unrhd |
 |
\oslash |  |
\odot |  |
\bigcirc |
 |
\triangleleft |  |
\Diamond |  |
\bigtriangleup |
 |
\bigtriangledown |  |
\Box |  |
\triangleright |
 |
\setminus |  |
\wr |  |
\sqrt{x} |
 |
x^{\circ} |
 |
\le |  |
\ge |  |
\neq |
 |
\sim |  |
\ll |  |
\gg |
 |
\doteq |  |
\simeq |  |
\subset |
 |
\supset |  |
\approx |  |
\asymp |
 |
\subseteq |  |
\supseteq |  |
\cong |
 |
\smile |  |
\sqsubset |  |
\sqsupset |
 |
\equiv |  |
\frown |  |
\sqsubseteq |
 |
\sqsupseteq |  |
\propto |  |
\bowtie |
 |
\in |  |
\ni |  |
\prec |
 |
\succ |  |
\vdash |  |
\dashv |
 |
\preceq |  |
\succeq |  |
\models |
 |
\perp |  |
\parallel |  |
\| |
 |
\mid |
 |
\nmid |  |
\nleq |  |
\ngeq |
 |
\nsim |  |
\ncong |  |
\nparallel |
 |
\not< |  |
\not> |  |
\not= |
 |
\not\le |  |
\not\ge |  |
\not\sim |
 |
\not\approx |  |
\not\cong |  |
\not\equiv |
 |
\not\parallel |  |
\nless |  |
\ngtr |
 |
\lneq |  |
\gneq |  |
\lnsim |
 |
\lneqq |  |
\gneqq |
 |
\alpha |  |
\beta |  |
\gamma |  |
\delta |
 |
\epsilon |  |
\varepsilon |  |
\zeta |  |
\eta |
 |
\theta |  |
\vartheta |  |
\iota |  |
\kappa |
 |
\lambda |  |
\mu |  |
\nu |  |
\xi |
 |
\pi |  |
\varpi |  |
\rho |  |
\varrho |
 |
\sigma |  |
\varsigma |  |
\tau |  |
\upsilon |
 |
\phi |  |
\varphi |  |
\chi |  |
\psi |
 |
\omega |
 |
\Gamma |  |
\Delta |  |
\Theta |  |
\Lambda |
 |
\Xi |  |
\Pi |  |
\Sigma |  |
\Upsilon |
 |
\Phi |  |
\Psi |  |
\Omega |
 |
\gets |  |
\to |
 |
\leftarrow |  |
\Leftarrow |
 |
\rightarrow |  |
\Rightarrow |
 |
\leftrightarrow |  |
\Leftrightarrow |
 |
\mapsto |  |
\hookleftarrow |
 |
\leftharpoonup |  |
\leftharpoondown |
 |
\rightleftharpoons |  |
\longleftarrow |
 |
\Longleftarrow |  |
\longrightarrow |
 |
\Longrightarrow |  |
\longleftrightarrow |
 |
\Longleftrightarrow |  |
\longmapsto |
 |
\hookrightarrow |  |
\rightharpoonup |
 |
\rightharpoondown |  |
\leadsto |
 |
\uparrow |  |
\Uparrow |
 |
\downarrow |  |
\Downarrow |
 |
\updownarrow |  |
\Updownarrow |
 |
\nearrow |  |
\searrow |
 |
\swarrow |  |
\nwarrow |
 |
\ldots 2 |  |
\vdots |  |
\cdots 2 |  |
\ddots |
 |
\hat{x} |  |
\check{x} |  |
\dot{x} |
 |
\breve{x} |  |
\acute{x} |  |
\ddot{x} |
 |
\grave{x} |  |
\tilde{x} |  |
\mathring{x} |
 |
\bar{x} |  |
\vec{x} |
 |
{\oe} |  |
{\ae} |  |
{\aa} |  |
{\o} |
 |
{\OE} |  |
{\AE} |  |
{\AA} |  |
{\O} |
 |
{\l} |  |
{\ss} |  |
!` | ||
 |
{\L} |  |
{\SS} |  |
?` |
 |
\{ |  |
\} | |
\| |
 |
\backslash |  |
\lfloor |  |
\rfloor |
 |
\lceil |  |
\rceil |  |
\langle |
 |
\rangle |
 |
\sum |  |
\int |  |
\oint |
 |
\prod |  |
\coprod |  |
\bigcap |
 |
\bigcup |  |
\bigsqcup |  |
\bigvee |
 |
\bigwedge |  |
\bigodot |  |
\bigotimes |
 |
\bigoplus |  |
\biguplus |
以上就是我平时大部分都会用到，每个命令不需要去记， 平时用多了，自然就熟悉了。 再者， 用的时候 要多多思考，有的时候在公式中用 ||
符号需要直接输入， 但是在文章书写的时候，则要
\left|xxx\right|嘿嘿， 还有好多的注意点，大家平时多写写就OK啦~