These are common mathematical symbols from 一份不太简短的 LATEX2e 介绍 for future using.
Other sources: LaTeX 命令符号
Common mathematical symbols
| Symbol | Command |
|---|---|
| $ a_{1} $ | a_{1} |
| $ x^{2} $ | x^{2} |
| $ e^{-\alpha t} $ | e^{-\alpha t} |
| $ a^{3}_{ij} $ | a^{3}_{ij} |
| $ e^{x^2} \neq {e^x}^2 $ | e^{x^2} \neq {e^x}^2 |
| $ \sqrt{x} $ | \sqrt{x} |
| $ \sqrt{ x^2 + \sqrt{y}} $ | \sqrt{ x^2 + \sqrt{y}} |
| $ \sqrt[3]{2} $ | \sqrt[3]{2} |
| $ \surd[x^2 + y^2] $ | \surd[x^2 + y^2] |
| $ \overline{m+n} $ | \overline{m+n} |
| $ \underline{m+n} $ | \underline{m+n} |
| $ \underbrace{ a+b+\cdots+z }_{26} $ | \underbrace{ a+b+\cdots+z }_{26} |
| $ \vec a $ | \vec a |
| $ \overrightarrow{AB} $ | \overrightarrow{AB} |
| $ 1\frac{1}{2} $ | 1\frac{1}{2} |
| $ \frac{ x^{2} }{ k+1 } $ | \frac{ x^{2} }{ k+1 } |
| $ x^{ \frac{2}{k+1} } $ | x^{ \frac{2}{k+1} } |
| $ x^{ 1/2 } $ | x^{ 1/2 } |
| $ \displaystyle\frac{n!}{k!(n-k)!} = \binom{n}{k} $ | \displaystyle\frac{n!}{k!(n-k)!} = \binom{n}{k} |
| $ \sum_{i=1}^{n} $ | \sum_{i=1}^{n} |
| $ \int_{0}^{\frac{\pi}{2}} $ | \int_{0}^{\frac{\pi}{2}} |
| $ \prod_\epsilon $ | \prod_\epsilon |
| $ \displaystyle\lim_{x \to \infty} \exp(-x) = 0 $ | \displaystyle\lim_{x \to \infty} \exp(-x) = 0 |
| $ \displaystyle\sum_{i=1}^{10} t_i $ | \displaystyle\sum_{i=1}^{10} t_i |
| $ \int_0^\infty \mathrm{e}^{-x}\,\mathrm{d}x $ | \int_0^\infty \mathrm{e}^{-x}\,\mathrm{d}x |
| $ \hat{f}(x,y) = \underset{(s,t)\in S_{xy}}{\mathrm{median}} $ $ \lbrace g(s,t) \rbrace $ | \hat{f}(x,y) = \underset{(s,t)\in S_{xy}}{\mathrm{median}} \lbrace g(s,t) \rbrace |
| abc → $ $ ← abc | |
| abc → $ \, $ ← abc | \, |
| abc → $ \; $ ← abc | \; |
| abc → $ \enspace $ ← abc | \enspace |
| abc → $ \quad $ ← abc | \quad |
| abc → $ \qquad $ ← abc | \qquad |
| abc → $ \hspace{3em} $ ← abc | \hspace{3em} |
Others:
