这是本文档旧的修订版！
LaTeX
- Official site:latex-project.org
数学符号表
- 这个讲解得不错; 示例:
f(n) = \begin{cases} n/2 & \quad \text{if } n \text{ is even} \\ -(n+1)/2 & \quad \text{if } n \text{ is odd}\\ \end{cases}表示: \[ f(n) = \begin{cases} n/2 & \quad \text{if } n \text{ is even} \\ -(n+1)/2 & \quad \text{if } n \text{ is odd}\\ \end{cases} \]
oakfire