符号类

希腊字母

符号 写法
\(\alpha\) \alpha
\(\beta\) \beta
\(\gamma\) \gamma
\(\delta  \) \delta
\(\Delta \) \Delta
\(\epsilon\) \epsilon
\(\varepsilon\) \varepsilon
\(\zeta\) \zeta
\(\eta\) \eta
\(\theta \) \theta
\(\Theta \) \Theta
\(\vartheta\) \vartheta
\(\iota\) \iota
\(\kappa\) \kappa
\(\lambda \) \lambda
\(\Lambda \) \Lambda
\(\mu\) \mu
\(\nu\) \nu
\(\xi \) \xi
\(\Xi\) \Xi
\(\pi\) \pi
\(\Pi \) \Pi
\(\varpi  \) \varpi
\(\rho \) \rho
\(\varrho  \) \varrho
\(\sigma \) \sigma
\(\Sigma \) \Sigma
\(\varsigma  \) \varsigma
\(\tau \) \tau
\(\upsilon \) \upsilon
\(\Upsilon\) \Upsilon
\(\phi \) \phi
\(\Phi \) \Phi
\(\varphi  \) \varphi
\(\chi \) \chi
\(\psi \) \psi
\(\Psi \) \Psi
\(\omega \) \omega
\(\Omega\) \Omega

运算符号

符号 写法
\(x^2\) x^2
\(\theta_i\) \theta_i
\(\frac{ x }{ y }\) \frac{ x }
\(\sqrt{ x }\) \sqrt
\(\partial J\) \partial J
\(\sum_{k=1}^{m}\) \sum_{k=1}^
\(\int_{-\pi}^{\pi} x^2 {\rm d}x\) \int_{-\pi}^{\pi} x^2 {\rm d}x
\(\iiiint\) \iiiint
\(\oint\) \oint
\(\infty\) \infty
\(\nabla\) \nabla
\(\lim\limits_{n \rightarrow +\infty} \frac{1}{n(n+1)}\) \lim\limits_{n \rightarrow +\infty} \frac{1}
\(\prod_{i=0}^n \frac{1}{i^2}\) \prod_{i=0}^n \frac{1}

关系运算符

符号 写法
\(\pm\) \pm
\(\times\) \times
\(\div\) \div
\(\nmid\) \nmid
\(\cdot\) \cdot
\(\ast\) \ast
\(\bigodot\) \bigodot
\(\bigotimes\) \bigotimes
\(\bigoplus\) \bigoplus
\(\leq\) \leq
\(\geq\) \geq
\(\neq\) \neq
\(\approx\) \approx
\(\equiv\) \equiv
\(\coprod\) \coprod

集合运算符

符号 写法
\(\emptyset\) \emptyset
\(\in\) \in
\(\notin\) \notin
\(\subset\) \subset
\(\supset\) \supset
\(\subseteq\) \subseteq
\(\supseteq\) \supseteq
\(\bigcap\) \bigcap
\(\bigcup\) \bigcup
\(\bigvee\) \bigvee
\(\bigwedge\) \bigwedge
\(\bigsqcup\) \bigsqcup

三角运算符

符号 写法
\(\bot\) \bot
\(\angle\) \angle
\(30^\circ\) 30^\circ
\(\sin\) \sin
\(\cos\) \cos
\(\tan\) \tan
\(\cot\) \cot
\(\sec\) \sec
\(\csc\) \csc

逻辑运算符

符号 写法
\(\because\) \because
\(\therefore\) \therefore
\(\forall\) \forall
\(\exists\) \exists
\(\not=\) \not=
\(\not>\) \not>
\(\not\subset\) \not\subset

戴帽符号

符号 写法
\(\hat{y}\) \hat
\(\check{y}\) \check
\(\breve{y}\) \breve

连线符号

符号 写法
\(\overline{a+b+c+d}\) \overline
\(\underline{a+b+c+d}\) \underline
\(\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}\) \overbrace{a+\underbrace{b+c}_{1.0}+d}^

箭头符号

符号 写法
\(\uparrow\) \uparrow
\(\Uparrow\) \Uparrow
\(\downarrow\) \downarrow
\(\Downarrow\) \Downarrow
\(\rightarrow\) \rightarrow
\(\Rightarrow\) \Rightarrow
\(\leftarrow\) \leftarrow
\(\Leftarrow\) \Leftarrow
\(\longleftarrow\) \longleftarrow
\(\Longleftarrow\) \Longleftarrow
\(\longrightarrow\) \longrightarrow
\(\Longrightarrow\) \Longrightarrow

矩阵类

符号 写法
\(\vec{ a }\) \vec
$\left{
\begin
a & b & c & d & e\
f & g & h & i & j \
k & l & m & n & o \
p & q & r & s & t
\end
\right}$ \left{\begin{matrix}a & b & c & d & e\ f & g & h & i & j \ k & l & m & n & o \ p & q & r & s & t\end{matrix} \right}
$A=
\left{
\begin
a & b & c & d & e\
f & g & h & i & j \
k & l & m & n & o \
p & q & r & s & t
\end
\right}$ A=\left{ \begin{matrix} a & b & c & d & e \ f & g & h & i & j \ k & l & m & n & o \ p & q & r & s & t \end{matrix}\right}
$A=
\left{
\begin
a & b & \cdots & e\
f & g & \cdots & j \
\vdots & \vdots & \ddots & \vdots \
p & q & \cdots & t
\end
\right}$ A=\left{\begin{matrix} a & b & \cdots & e \ f & g & \cdots & j \ \vdots & \vdots & \ddots & \vdots \ p & q & \cdots & t \end{matrix}\right}
 posted on 2020-03-03 16:05  BurtonChang  阅读(1419)  评论(0编辑  收藏  举报