LaTeX\LaTeX中可通过如下办法输入大括号,md文件同理

  • cases

fY(x)={2233f_{Y}{(x)}= \begin{cases} 2& \text{2}\\ 3& \text{3} \end{cases}

使用cases,可以通过输入\text{},书写每行公式的附加信息

  • aligned

fY(x)={23f_{Y}{(x)}=\left\{ \begin{aligned} 2 \\ 3 \end{aligned} \right.

  • align

fY(x)={233f_{Y}{(x)}=\left\{ \begin{align} 2\\ 3\\ 3 \end{align} \right.

  • array

fY(x)={233f_{Y}{(x)}=\left\{ \begin{array}{rcl} 2\\ 3\\ 3 \end{array} \right.

{ab\left\{ \cfrac{a}{b} \right.