Markdown常用数学符号&公式
符号 | 代码 | 描述 |
---|---|---|
\(\frac{1}{3} 与 \cfrac{1}{3}\) | 分数使用\frac{分母}{分子} 这样的语法,不过推荐使用\cfrac 来代替\frac ,显示公式不会太挤。 |
分数 |
\(\sim\) | $\sim$ |
波浪号 |
\(\sum\) | $\sum$ |
求和公式 |
\(\sum_{i=0}^n\) | $\sum_{i=0}^n$ |
求和上下标 |
\(\times\) | $\times$ |
乘号 |
\(\pm\) | $\pm$ |
正负号 |
\(\div\) | $\div$ |
除号 |
$ \mid$ | $\mid$ |
竖线 |
\(\cdot\) | $\cdot$ |
点 |
\(\circ\) | $\circ$ |
圈 |
$\ast $ | $\ast $ |
星号 |
$ \bigotimes$ | $\bigotimes$ |
克罗内克积 |
\(\bigoplus\) | $\bigoplus$ |
异或 |
\(\leq\) | $\leq$ |
小于等于 |
\(\geq\) | $\geq$ |
大于等于 |
$ \neq$ | $\neq$ |
不等于 |
\(\approx\) | $\approx$ |
约等于 |
$ \prod$ | $\prod$ |
N元乘积 |
$ \coprod$ | $\coprod$ |
N元余积 |
$ \cdots$ | $\cdots$ |
省略号 |
\(\int\) | $\int$ |
积分 |
\(\iint\) | $\iint$ |
双重积分 |
\(\oint\) | $\oint$ |
曲线积分 |
$ \infty$ | $\infty$ |
无穷 |
\(\nabla\) | $\nabla$ |
梯度 |
\(\because\) | $\because$ |
因为 |
\(\therefore\) | $\therefore$ |
所以 |
\(\forall\) | $\forall$ |
任意 |
\(\exists\) | $\exists$ |
存在 |
\(\not=\) | $\not=$ |
不等于 |
$ \not>$ | $\not>$ |
不大于 |
$ \leq$ | $\leq$ |
小于等于 |
\(\geq\) | $\geq$ |
大于等于 |
$ \not\subset$ | $\not\subset$ |
不属于 |
\(\emptyset\) | $\emptyset$ |
空集 |
\(\in\) | $\in$ |
属于 |
\(\notin\) | $\notin$ |
不属于 |
\(\subset\) | $\subset$ |
子集 |
\(\subseteq\) | $\subseteq$ |
真子集 |
\(\bigcup\) | $\bigcup$ |
并集 |
\(\bigcap\) | $\bigcap$ |
交集 |
\(\bigvee\) | $\bigvee$ |
逻辑或 |
\(\bigwedge\) | $\bigwedge$ |
逻辑与 |
\(\biguplus\) | $\biguplus$ |
多重集 |
\(\bigsqcup\) | $\bigsqcup$ |
|
\(\hat{y}\) | $\hat{y}$ |
期望值 |
\(\check{y}\) | $\check{y}$ |
|
\(\breve{y}\) | $\breve{y}$ |
|
\(\overline{a+b+c+d}\) | $\overline{a+b+c+d}$ |
平均值 |
\(\underline{a+b+c+d}\) | $\underline{a+b+c+d}$ |
|
\(\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}\) | $\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}$ |
|
\(\uparrow\) | $\uparrow$ |
向上 |
\(\downarrow\) | $\downarrow$ |
向下 |
\(\Uparrow\) | $\Uparrow$ |
|
\(\Downarrow\) | $\Downarrow$ |
|
\(\rightarrow\) | $\rightarrow$ |
向右 |
\(\leftarrow\) | $\leftarrow$ |
向左 |
\(\Rightarrow\) | $\Rightarrow$ |
向右箭头 |
\(\Longleftarrow\) | $\Longleftarrow$ |
向左长箭头 |
\(\longleftarrow\) | $\longleftarrow$ |
向左单箭头 |
\(\longrightarrow\) | $\longrightarrow$ |
向右长箭头 |
\(\Longrightarrow\) | $\Longrightarrow$ |
向右箭头 |
\(\alpha\) | $\alpha$ |
|
\(\beta\) | $\beta$ |
|
\(\gamma\) | $\gamma$ |
|
\(\Gamma\) | $\Gamma$ |
|
\(\delta\) | $\delta$ |
|
\(\Delta\) | $\Delta$ |
|
\(\epsilon\) | $\epsilon$ |
|
\(\varepsilon\) | $\varepsilon$ |
|
\(\zeta\) | $\zeta$ |
|
\(\eta\) | $\eta$ |
|
\(\theta\) | $\theta$ |
|
\(\Theta\) | $\Theta$ |
|
\(\vartheta\) | $\vartheta$ |
|
\(\iota\) | $\iota$ |
|
\(\pi\) | $\pi$ |
|
\(\phi\) | $\phi$ |
|
\(\Phi\) | $\Phi$ |
|
\(\psi\) | $\psi$ |
|
\(\Psi\) | $\Psi$ |
|
\(\omega\) | $\omega$ |
|
\(\Omega\) | $\Omega$ |
|
\(\chi\) | $\chi$ |
|
\(\rho\) | $\rho$ |
|
\(\omicron\) | $\omicron$ |
|
\(\sigma\) | $\sigma$ |
|
\(\Sigma\) | $\Sigma$ |
|
\(\nu\) | $\nu$ |
|
\(\xi\) | $\xi$ |
|
\(\tau\) | $\tau$ |
|
\(\lambda\) | $\lambda$ |
|
\(\Lambda\) | $\Lambda$ |
|
\(\mu\) | $\mu$ |
|
\(\partial\) | $\partial$ |
|
\(\lbrace \rbrace\) | $\lbrace \rbrace$ |
|
\(\overline{a}\) | $\overline{a}$ |