Latex测试

$$\not |$$

$$\infty$$

 

$$Alpha - \Alpha - \alpha$$

$$Beta - \Beta - \beta$$

$$Gamma - \Gamma - \gamma$$

$$Delta - \Delta - \delta$$

$$Epsilon - \Epsilon - \epsilon$$

$$Zeta - \Zeta - \zeta$$

$$Eta - \Eta - \eta$$

$$Theta - \Theta - \theta$$

$$Iota - \Iota - \iota$$

$$Kappa - \Kappa - \kappa$$

$$Lambda - \Lambda - \lambda$$

$$Mu - \Mu - \mu$$

$$Nu - \Nu - \nu$$

$$Xi - \Xi - \xi$$

$$Omicron - \Omicron - \omicron$$

$$Pi - \Pi - \pi$$

$$Rho - \Rho - \rho$$

$$Sigma - \Sigma - \sigma$$

$$Tau - \Tau - \tau$$

$$Upsilon - \Upsilon - \upsilon$$

$$Phi - \Phi - \phi$$

$$Chi - \Chi - \chi$$

$$Psi - \Psi - \psi$$

$$Omega - \Omega - \omega$$

 

 

**加粗**

~~删除~~

#一级标题

##二级标题

###三级标题

 

eqnarray

$\begin{eqnarray}a&=&b+c\\&=&b+d+e\\&=&d+e+f+g\end{eqnarray}$

eqnarray*

$\begin{eqnarray*}a&=&b+c\\&=&b+d+e\\&=&d+e+f+g\end{eqnarray*}$

$$\begin{eqnarray*}a&=&b+c\\&=&b+d+e\\&=&d+e+f+g\end{eqnarray*}$$

align

$\begin{align}a&=b+c\\&=b+d+e\\&=d+e+f+g\end{align}$

align*

 

$$\begin{align*}a&=b+c\\&=b+d+e\\&=d+e+f+g\end{align*}$$

 

cases

$$a=\begin{cases}b+c\\b+d+e\\d+e+f+g\end{cases}$$

 

符号

省略号：

$\cdots$

$\ldots$

$\vdots$

$\ddots$

 

运算符测试

$x=\sum_{i=1}^{n}a_i$

$$x=\sum_{i=1}^{n}a_i$$

$x=\prod_{i=1}^{n}a_i$

$$x=\prod_{i=1}^{n}a_i$$

$y=\lim_{x\rightarrow 0} x$

$$y=\lim_{x\rightarrow 0} x$$

 

\newcommand

$\rd x$

$\newcommand{\rd}{{\rm d}} $

$\rd x$

 

$f\pie$

$\newcommand{\pie}{{^\prime}}$

$f\pie$

 

 

 

$\newcommand{\stra}[2]{\left \{ \begin{matrix}{#1}\\{#2}\end{matrix} \right \}} \newcommand{\strb}[2]{\left [ \begin{matrix}{#1}\\{#2}\end{matrix} \right ] } \newcommand{\bino}[2]{\left ( \begin{matrix}{#1}\\{#2}\end{matrix} \right ) } \newcommand{\udl}{\underline} \newcommand{\ovl}{\overline}$

 

$\stra{n}{m} \strb{n}{m} \bino{n}{m}\binom{n}{m}$

 

$x^{\underline{k}}\ \ \ x^\udl{k}$

$x^\overline{k}\ \ \ x^\ovl{k}$