一、Mathtype公式转Mathjax代码
1.在Word文档中用Mathtype编辑好公式,然后点击Mathtype —— Conver Equations,如下图所示:
2.在弹出的Convert Equations窗口中,Text using MathType translator 选项中选择Mathjax:LaTeX,然后转换公式为代码。
3.复制Word文档编辑好的文章及公式,粘贴到网站的编辑框中发布即可在网页上显示数学公式。
二、Latex数学公式命令大全
1.公式以\\(开始,以\\)结束,即形如\\( \\)
2.常用Latex代码如下:
Latex公式代码(1)
符号 \(\pi\) \(\theta\) \(\alpha\) \(\beta\) \(\gamma\) \(\xi\) \(\eta\) \(\varepsilon\) 代码 \pi \theta \alpha \beta \gamma \xi \eta \varepsilon 符号 \(\omega\) \(\varphi\) \(\lambda\) \(\mu\) \(\Omega\) \(\infty\) \(\tau\) \(\mathbf{R}\) 代码 \omega \varphi \lambda \mu \Omega \infty \tau \mathbf{R} 符号 \(\delta\) \(\mathbf{N}\) \(\sigma\) \(\mathbf{Z}\) \(\Delta\) 代码 \delta \mathbf{N} \sigma \mathbf{Z} \Delta 符号 \(\in\) \(\notin\) \(\emptyset\) \(\forall\) \(\exists\) \(\wedge\) \(\vee\) \(\lnot\) 代码 \in \notin \emptyset \forall \exists \wedge \vee \lnot 符号 \(\subseteq\) \(\supseteq\) \(\subsetneqq\) \(\supsetneqq\) \(\not\subset\) \(\cap\) \(\cup\) \(\complement_{U}{A}\) 代码 \subseteq \supseteq \subsetneqq \supsetneqq \not\subset \cap \cup \complement_{U}{A}
Latex公式代码(2)
符号 \(\Rightarrow\) \(\Leftarrow\) \(\Leftrightarrow\) \(\Longrightarrow\) \(\Longleftarrow\) 代码 \Rightarrow \Leftarrow \Leftrightarrow \Longrightarrow \Longleftarrow 符号 \(\Longleftrightarrow\) \(\longrightarrow\) \(\longmapsto\) \(\searrow\) \(\nearrow\) 代码 \Longleftrightarrow \longrightarrow \longmapsto \searrow \nearrow 符号 \(\pm\) \(\mp\) \(\times\) \(\div\) \(\neq\) 代码 \pm \mp \times \div \neq 符号 \(\bullet\) \(\cdot\) \(\odot\) \(\overset{\frown} {AB}\) \(\vartriangle{ABC}\) 代码 \bullet \cdot \odot \overset{\frown} {AB} \vartriangle{ABC} 符号 \(\geqslant\) \(\leqslant\) \(\sim\) \(\cong\) \(\equiv\) 代码 \geqslant \leqslant \sim \cong \equiv 符号 \(\approx\) \(\leftrightarrow\) \(\perp\) \(\angle\) \(45^\circ\) 代码 \approx \leftrightarrow \perp \angle 45^\circ 符号 \(\dfrac{a}{b}\) \(\sqrt{x}\) \(\sqrt[n]{x}\) \(x_{i+1}^{n+1}\) \(a^{2x+1}\) 代码 \dfrac{a}{b} \sqrt{x} \sqrt[n]{x} x_{i+1}^{n+1} a^{2x+1} 符号 \(A_n^m\) \(\left\vert x \right\vert\) \(\because\) \(\therefore\) \(\cdots\) 代码 A_n^m \left\vert x \right\vert \because \therefore \cdots 符号 \(\left ( a,b \right )\) \(\left[ a,b \right]\) \(\left( -\infty,a \right]\) \(\left[ a , +\infty \right)\) \(\left\{ a_n \right\}\) 代码 \left ( a,b \right ) \left[ a,b \right] \left( -\infty,a \right] \left[ a , +\infty \right) \left\{ a_n \right\} 符号 \({f}'(x)\) \({f}''(x)\) \(\vec{a}\) \(\overrightarrow{AB}\) \(\boldsymbol{a} \bullet \boldsymbol{b}\) 代码 {f}'(x) {f}''(x) \vec{a} \overrightarrow{AB} \boldsymbol{a} \bullet \boldsymbol{b} 符号 \(\hat{a}\) \(\bar{x}\) \(\overline{x+y}\) \(\surd\) \(\lg{x}\) 代码 \hat{a} \bar{x} \overline{x+y} \surd \lg{x} 符号 \(\ln{x}\) \(\bar{x}\) \(\log_{a}{x}\) \(\sin{x}\) \(\cos{x}\) 代码 \ln{x} \bar{x} \log_{a}{x} \sin{x} \cos{x}
Latex公式代码(3)
符号 \(\sum\limits_{k=1}^N k^2\) \(\prod\limits_{i=1}^N x_i\) \(\mathop {\lim }\limits_{\Delta x \to 0} \dfrac{{\Delta y}}{{\Delta x}}\) $\left\{ \begin{align}
& a=1 \\
& b=2 \\
\end{align} \right.$ 代码 \sum\limits_{k=1}^N k^2 \prod\limits_{i=1}^N x_i \mathop {\lim }\limits_{\Delta x \to 0} \dfrac{{\Delta y}}{{\Delta x}} \left\{ \begin{align}
\& a=1 \\
\& b=2 \\
\end{align} \right.
Latex公式代码(4)
表格 $$
\begin{array}{c|lcr}
n & \text{Left} & \text{Center} & \text{Right} \\
\hline
1 & 0.24 & 1 & 125 \\
2 & -1 & 189 & -8 \\
3 & -20 & 2000 & 1+10i
\end{array}
$$$$
\begin{array}{c|lcr}
n & \text{Left} & \text{Center} & \text{Right} \\
\hline
1 & 0.24 & 1 & 125 \\
2 & -1 & 189 & -8 \\
3 & -20 & 2000 & 1+10i
\end{array}
$$ 矩阵 $$
\begin{pmatrix}
1 & a_1 & a_1^2 & \cdots & a_1^n\\
1 & a_2 & a_2^2 & \cdots & a_2^n \\
\vdots & \vdots & \ddots & \vdots \\
1 & a_n & a_n^2 & \cdots & a_n^n \\
\end{pmatrix}
$$$$
\begin{pmatrix}
1 & a_1 & a_1^2 & \cdots & a_1^n\\
1 & a_2 & a_2^2 & \cdots & a_2^n \\
\vdots & \vdots & \ddots & \vdots \\
1 & a_n & a_n^2 & \cdots & a_n^n \\
\end{pmatrix}
$$ 矩阵 $$ \left[
\begin{array}{cc|c}
1&2&3\\
4&5&6
\end{array}
\right] $$$$ \left[
\begin{array}{cc|c}
1&2&3\\
4&5&6
\end{array}
\right] $$ 多行公式 \begin{equation}\begin{split}
H(Y|X)&=\sum_{x\in X} p(x)H(Y|X)\\
&=-\sum_{x\in X} p(x)\sum_{y\in Y}p(y|x)\log p(y|x)\\
&=-\sum_{x\in X} \sum_{y\in Y}p(y,x)\log p(y|x)
\end{split}\end{equation}\begin{equation}\begin{split}
H(Y|X)&=\sum_{x\in X} p(x)H(Y|X)\\
&=-\sum_{x\in X} p(x)\sum_{y\in Y}p(y|x)\log p(y|x)\\
&=-\sum_{x\in X} \sum_{y\in Y}p(y,x)\log p(y|x)
\end{split}\end{equation} 不同行等号对齐 \begin{align*}
E(X+Y)&=\sum\limits_{i}{\sum\limits_{j}{({{x}_{i}}+{{y}_{j}}){{p}_{ij}}}} \\
& =\sum\limits_{i}{\sum\limits_{j}{{{x}_{i}}{{p}_{ij}}}}+\sum\limits_{i}{\sum\limits_{j}{{{y}_{j}}{{p}_{ij}}}} \\
& =\sum\limits_{i=1}^{\infty }{{{x}_{i}}}\sum\limits_{j=1}^{\infty }{{{p}_{ij}}}+\sum\limits_{j=1}^{\infty }{{{y}_{j}}}\sum\limits_{i=1}^{\infty }{{{p}_{ij}}} \\
& =\sum\limits_{i=1}^{\infty }{{{x}_{i}}{{p}_{i.}}}+\sum\limits_{j=1}^{\infty }{{{y}_{j}}{{p}_{.j}}} \\
& =E(X)+E(Y)
\end{align*}\begin{align*}
E(X+Y)&=\sum\limits_{i}{\sum\limits_{j}{({{x}_{i}}+{{y}_{j}}){{p}_{ij}}}} \\
& =\sum\limits_{i}{\sum\limits_{j}{{{x}_{i}}{{p}_{ij}}}}+\sum\limits_{i}{\sum\limits_{j}{{{y}_{j}}{{p}_{ij}}}} \\
& =\sum\limits_{i=1}^{\infty }{{{x}_{i}}}\sum\limits_{j=1}^{\infty }{{{p}_{ij}}}+\sum\limits_{j=1}^{\infty }{{{y}_{j}}}\sum\limits_{i=1}^{\infty }{{{p}_{ij}}} \\
& =\sum\limits_{i=1}^{\infty }{{{x}_{i}}{{p}_{i.}}}+\sum\limits_{j=1}^{\infty }{{{y}_{j}}{{p}_{.j}}} \\
& =E(X)+E(Y)
\end{align*} 大括号嵌套 $$\begin{cases}
A&XXX\\
B&XXX\\
C&
\begin{cases}
D&XXX\\
E&XXX
\end{cases}\\
F&XXX
\end{cases}$$$$\begin{cases}
A&XXX\\
B&XXX\\
C&
\begin{cases}
D&XXX\\
E&XXX
\end{cases}\\
F&XXX
\end{cases}$$ 大括号嵌套 $$\left\{\begin{array}{ll}
A&XXX\\
B&XXX\\
C&\left\{
\begin{array}{ll}
D&XXX\\
E&XXX
\end{array}
\right.\\
F&XXX
\end{array}
\right.$$$$\left\{\begin{array}{ll}
A&XXX\\
B&XXX\\
C&\left\{
\begin{array}{ll}
D&XXX\\
E&XXX
\end{array}
\right.\\
F&XXX
\end{array}
\right.$$ 大括号嵌套 $$\begin{cases}
A&XXX\\
B&XXX\\
C&\left\{
\begin{array}{ll}
D&XXX\\
E&XXX
\end{array}
\right.\\
F&XXX
\end{cases}$$$$\begin{cases}
A&XXX\\
B&XXX\\
C&\left\{
\begin{array}{ll}
D&XXX\\
E&XXX
\end{array}
\right.\\
F&XXX
\end{cases}$$ 分类 \mbox{特殊向量}
\begin{cases}
\mbox{零向量}\\
\mbox{单位向量}
\end{cases} \mbox{内层}&
\begin{cases}
\mbox{零向量}\\
\mbox{单位向量}
\end{cases} \mbox{外层}
\begin{cases}
\mbox{零向量}\\
\mbox{单位向量}
\end{cases}