latex 常⽤符号
⽂章⽬录
显⽰latex格式的公式需要加美元号 $，例如 $\beta$显⽰的结果为 ，如果单独⼀⾏的公式可⽤双美元符号，例如 $$a+b=c$$会单独成⾏
0.常⽤公式
x=\frac{-b\mp\sqrt{b^2-4ac}}{2a}
x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}n! = 1\times2\times3\cdots\times n
郴州旅游
\oint f(s)\mathrm{d}r \displaystyle\oint f(s)\mathrm{d}s
\displaystyle\int_{-1}^{+\infty} f(x)\mathrm{d}x
\displaystyle\iint f(\bm x)\mathrm{d}\bm x
\left\|\sum_{i=1}^{p+1}\right\|
\left\|\displaystyle\sum_{i=1}^{p+1} \right\|
\Big\Vert\displaystyle\sum_{i=1}^{p+1}\bigg\Vert
\nabla\cdot\nabla u = \Delta u
{a+b \choo a+b+c}\left({}_{a+b+c}^{a+b}\right)
{a+b \atop a+b+c}C_{a+b+c}^{a+b}
\min\limits^{x\in\mathcal{R}}f(x)\max\limits_{x\in\mathcal{R}}f(x)
βa +b =c
x =
2a
−b ∓b −4ac
2x =2a −b ±b −4ac 2n !=1×2×3⋯×n
f (s )d s ∮f (s )d s
∮f (x )d x ∫−1+∞
f (x )d x ∬∥∥∥∑i =1p +1∥∥∥
∥∥∥∥∥i =1∑p +1∥∥∥∥∥∥∥∥i =1∑p +1
∥∥∥∥∇⋅∇u =Δu (a +b +c a +b )(a +b +c a +b )
a +
b +
c a +b C a +b +c a +b
f (x )min x ∈R
f (x )
x ∈R max
=d t d u +∂x ∂u ∂t ∂x ∂y ∂u ∂t
∂y
\dfrac {\mathrm {d }u }{\mathrm {d }t }=
\dfrac {\partial u }{\partial x }\dfrac {\partial x }{\partial t }+
学区房政策\dfrac {\partial u }{\partial y }\dfrac {\partial y }{\partial t }
1.希腊字母
\alpha \theta o \tau \beta \vartheta \pi \upsilon \gamma \iota \varpi \phi \delta \kappa \rho \varphi \epsilon \lambda \varrho \chi \varepsilon
\mu \sigma \psi \zeta \nu \varsigma
\omega
\eta
\zeta
\Gamma \Lambda \Sigma \Psi \Delta \Xi \Upsilon \Omega
\Theta
\Pi七大洲轮廓
\Phi
\aleph \beth \daleth
\gimel
2.数学相关
\dfrac{abc}{xyz}\frac{abc}{xyz}
独处的好处\overline{abc}
\sqrt{abc}\sqrt[n]{abc}\underline{abc}\widehat{abc}\widetilde{abc}\overrightarrow{abc}\overleftarrow{abc}\overbrace{abc}\underbrace{abc}
\overt{\frown}{ab}
\overparen{ab}
注：头顶的弧盖\overparen{ab}⽤于, ⽤于3.分割符号
\vert \langle \lfoolr \lceil \Vert \rangle \rfloor \rceil \Uparrow \uparrow \Downarrow \downarrow \llcorner
\lrcorner \ulcorner
\urcorner
/
\backslash
4.可变公式
αθo τβϑπυγιϖϕδκρφϵλϱχεμσψζνς
ω
ηζΓΛΣΨΔΞΥΩ
ΘΠΦℵ
ℶ
ℸ
ℷ
xyz abc xyz
abc abc abc n
abc
abc abc abc abc abc abc abc
ab
⌢
AB
L
T X A E AB K T X A E ∣⟨⌊⌈∥⟩⌋⌉⇑↑⇓↓└┘┌
┐
/
\
\sum \prod \coprod \int \ont \iint \biguplus \bigcap \bigcup \bigoplus \bigotimes \bigodot \bigvee
\bigwedge
\bigsqcup
5.数学函数
只需要在常⽤数学函数前加上斜杠\即可
$\sin, \cos, \tan, \exp, \min, \max, \log, \ln, \lim, \cdots$
6.运算符号
+-\times \div \ast \star \cdot \circ \pm \mp \oplus \otimes \divideontimes
\centerdot我的理想是
\odot \circledcirc \cap \cup \vee \wedge \bot \perp \tminus
\backslash \Box \square \wr \boxplus \triangle
\bigtriangledown
\Delta
\nabla
\equiv \neq \sim \approx \triangleq \varpropto
\ll \lll \leq \geq \leqslant \geqslant \in \notin \prec \succ \subt \subteq \supt \supteq \nsubteq \nsubteqq \nsubteq \nsubteqq \nsubteq \nsubtneqq
\nsupteq
\nsuptneqq
\complement
7.其它符号
\becau \therefore //\perp \triangle \square \text{▱}{}_{=}^{//}\infty \angle \measuredangle \sphericalangle \foall \exist \varnothing
\emptyt \partial \prime \hbar \surd \cdots \vdots \ldots \ddots \Im
\Re
\lozenge
\mho
∑∏∐∫∮∬⨄⋂⋃⨁⨂⨀⋁
⋀
⨆
sin,cos,tan,exp,min,max,log,ln,lim,⋯
+−×÷∗⋆⋅∘±∓⊕⊗⋇⋅⊙⊚∩∪∨∧⊥⊥∖\□□≀⊞△▽Δ∇≡= ∼≈≜∝≪⋘≤≥⩽⩾∈∈/≺≻⊂⊆⊃⊇⫆⫅⊈ ⊊⫋
⊋
⫌
∁
∵∴//⊥
△□▱=
//
∞∠∡∢∀∃∅∅∂′ℏ√⋯
⋮
…⋱◊
℧
\spadesuit \heartsuit \clubsuit \diamondsuit \copyright
\circledS
\circledR
\pounds $
\$\%\#~
\~{}
\imath
\jmath
\ell
注1：平⾏四边形符号▱并不是内置的latex符号⽽是特殊字符注2：与是组合⽣成，并⾮内置
8.箭头合集
\rightarrow \longrightarrow \Rightarrow \Longrightarrow \leftarrow \longleftarrow \Leftarrow \Longleftarrow \nearrow \arrow \swarrow \nwarrow \mapsto \longmapsto \rightsquigarrow \rightrightarrows \leftrightarrow \longleftrightarrow \Leftrightarrow \Longleftrightarrow \rightleftharpoons \leftrightarrows \leftrightharpoons \rightleftarrows \circlearrowleft \circlearrowright \nLeftarrow \nRightarrow \nLeftrightarrow \leftrightsquigarrow
\dashrightarrow
\dashleftarrow
9.帽⼦标记
\bar{a}\acute{a}\check{a}\grave{a}\dot{a}\hat{a}\breve{a}
\vec{a}
\ddot{a}
\tilde{a}
10.数学样式
\mathcal{A}
\mathbb{A}
\mathfrak{A}\mathsf{A}
\mathscr{A}
\mathrm{A}
ℑℜ
◊℧♠♡♣♢c
◯Ⓢ®£
%#ı
ȷ
ℓ
/
/=//
→⟶⇒⟹←⟵⇐⟸↗↘↙↖↦⟼⇝⇉↔⟷⇔⟺⇌⇆⇋⇄↺↻⇍⇏⇎↭
⇢
⇠
a ˉa ˊa ˇa ˋa ˙a ^a ˘
a
a ¨
a
~ABCDEFGHIJ KLMN OPQRST UVWX YZ ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
A BC DE FG H I J K L M N OPQRS T U V W X Y Z
ABCDEFGHIJKLMNOPQRSTUVWXYZ
张员外\mathit{A}
净水品牌\mathnormal{A}
\mathbf{A}
\textbf{A} ⽂本样式粗体
\text{A} ⽂本样式
\bm{A}
\boldsymbol{A}
11.⼤⼩颜⾊
{\color{red}123} {\color{blue}456} {\color{green}789}
\tiny{abc}\scriptsize{abc}\footnotesize{abc}
\small{abc}\normalsize{abc}\large{abc}\Large{abc}
\LARGE{abc}
\huge{abc}
\Huge{abc}
\left[ \Bigg( \bigg( \Big[ \big( \right.
\left[ \bigg\{ \Big\}\big\} \right]
注：\left 与\right 成对出现，缺省可⽤.补充，它会⾃动设置⼤⼩
13.多⾏公式
多⾏公式常⽤的两环境有cas 与aligned
ABCDEFGHIJKLMNOPQRSTUVWXYZ
小学生四字成语ABCDEFGHIJKLMNOPQRSTUV WXY Z
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEF GHIJKLM NOP QRST UV W XY Z
ABCDEF GHIJKLM NOP QRST UV W XY Z
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