Latex公式常见符号

 2023-09-05 阅读 116 评论 0

摘要:Latex公式常见符号一、运算符号二、函数符号三、括号、箭头四、希腊字母 资源下载地址:Latex公式常见符号.pdf 一、运算符号 序号数学符号Latex表达式助记1\times\timestimes2\div\divdiv3\pm\pmplus minus4∓\mp∓\mpminus plus5⋅\cdot⋅\cdotc dot6⋆\star⋆\starstart7ab

Latex公式常见符号

  • 一、运算符号
  • 二、函数符号
  • 三、括号、箭头
  • 四、希腊字母


资源下载地址:Latex公式常见符号.pdf

一、运算符号

序号数学符号Latex表达式助记
1×\times×\timestimes
2÷\div÷\divdiv
3±\pm±\pmplus minus
4∓\mp\mpminus plus
5⋅\cdot\cdotc dot
6⋆\star\starstart
7ab\sqrt{ab}ab\sqrt{ab}squart
8abn\sqrt[n]{ab}nab\sqrt[n]{ab}squart
9log⁡ab\log_a{b}logab\log_a{b}log
10lg⁡ab\lg{ab}lgab\lg{ab}log
11aba^baba^b
12aba_baba_b
13cabc_a^bcabc_a^b
14ab~\widetilde{ab}ab\widetilde{ab}widetilde
15ab^\widehat{ab}ab\widehat{ab}widehat
16ab←\overleftarrow{ab}ab\overleftarrow{ab}over left arrow
17ab→\overrightarrow{ab}ab\overrightarrow{ab}over right arrow
18ab⏞\overbrace{ab}ab\overbrace{ab}overbrace
19ab⏟\underbrace{ab}ab\underbrace{ab}underbrace
20ab‾\underline{ab}ab\underline{ab}underline
21ab‾\overline{ab}ab\overline{ab}overline
22≠\neq=\neqnegative equal
23≤\leq\leqless equal
24≥\geq\geqgreat equal
25∼\sim\simsimilar
26≈\approx\approxapproximate
27≅\cong\cong
28≡\equiv\equivequivalent
29∝\propto\propto
30≪\ll\lllittler littler
31≫\gg\gggreater greater
32∈\in\inin
33⊂\subset\subsetsubest
34⊆\subseteq\subseteqsubset equal
35≺\prec\prec
36⪯\preceq\preceq
37≃\simeq\simeqsimilar equal
38≍\asymp\asympasymp
39≐\doteq\doteqdot equal
40≻\succ\succ
41⪰\succeq\succeq
42⊑\sqsubseteq\sqsubseteqsquare subset equal
43⊒\sqsupseteq\sqsupseteqsquare supset equal
44∋\ni\ni
45⊨\models\modelsmodels
46⊢\vdash\vdash
47⊣\dashv\dashv
48⊥\perp\perp
49∣\mid\mid
50∥\parallel\parallelparallel
51⌣\smile\smilesmile
52⌢\frown\frownfrown
53⋈\bowtie\bowtiebowtie
54⊴\unlhd\unlhd
55⊵\unrhd\unrhd
56a^\hat{a}a^\hat{a}hat
57aˇ\check{a}aˇ\check{a}check
58a˘\breve{a}a˘\breve{a}breve
59aˊ\acute{a}aˊ\acute{a}acute
60aˋ\grave{a}aˋ\grave{a}grave
60a~\tilde{a}a~\tilde{a}tilde
62aˉ\bar{a}aˉ\bar{a}bar
63a⃗\vec{a}a\vec{a}vector
64a˙\dot{a}a˙\dot{a}dot
65a¨\ddot{a}a¨\ddot{a}double dot
66∞\infty\inftyinfty

二、函数符号

序号函数Latex表达式名称
1abcd\frac{ab}{cd}cdab\frac{ab}{cd}分式
2∂a∂b\frac{\partial a}{\partial b}ba\frac{\partial a}{\partial b}偏导数
3dxdy\frac{\text{d}x}{\text{d}y}dydx\frac{\text{d}x}{\text{d}y}导数
4lim⁡a→b\lim\limits_{a \rightarrow b}ablim\lim\limits_{a \rightarrow b}极限
5∫ab\int_{a}^{b}ab\int_{a}^{b}积分
6∮ab\oint_a^bab\oint_a^b积分
7∏ab\prod\limits_a^bab\prod\limits_a^b连乘
8∐ab\coprod\limits_a^bab\coprod\limits_a^b
9⋂ab\bigcap\limits_a^bab\bigcap\limits_a^b交集
10⋃ab\bigcup\limits_a^bab\bigcup\limits_a^b并集
11⋁ab\bigvee\limits_a^bab\bigvee\limits_a^b
12⋀ab\bigwedge\limits_a^bab\bigwedge\limits_a^b
13⨆ab\bigsqcup\limits_a^bab\bigsqcup\limits_a^b
14∑ab\sum\limits_a^bab\sum\limits_a^b求和
15(ab)\left(\begin{array}{c}a\\b \end{array}\right)(ab)\left(\begin{array}{c}a\\b \end{array}\right)列向量
16[abcd]\begin{bmatrix}a & b\\ c&d\end{bmatrix}[acbd]\begin{bmatrix}a & b\\ c&d\end{bmatrix}矩阵
17{ax=0bx>0\begin{cases}a & x=0 \\ b & x >0\end{cases}{abx=0x>0\begin{cases}a & x=0 \\ b & x >0\end{cases}分段函数
18arccos⁡\arccosarccos\arccos
19arccos⁡\arccosarccos\arccos
20arctan⁡\arctanarctan\arctan
21cos⁡\coscos\cos
22cosh⁡\coshcosh\cosh
23cot⁡\cotcot\cot
24coth⁡\cothcoth\coth
25csc⁡\csccsc\csc
26sec⁡\secsec\sec
27sin⁡\sinsin\sin
28sinh⁡\sinhsinh\sinh
29tan⁡\tantan\tan
30tanh⁡\tanhtanh\tanh
31exp⁡\expexp\exp
32log⁡\loglog\log
33ln⁡\lnln\ln
34max⁡\maxmax\max最大值
35min⁡\minmin\min最小值
36sup⁡\supsup\sup
37inf⁡\infinf\inf
38lim⁡\limlim\lim极限
39gcd⁡\gcdgcd\gcd最大共因子
40hom⁡\homhom\hom
41kerkerker\ker核函数
42det⁡\detdet\det行列式
43mod\bmodmod\bmod

三、括号、箭头

序号符号Latex表达式助记
1⌊\lfloor\lfloorleft floor
2⌈\lceil\lceilleft ceil
3⌋\rfloor\rfloorright floor
4⌉\rceil\rceilright ceil
5⟨\langle\langleleft angle
6⟩\rangle\rangleright angle
7\\backslash\\backslashbackslash
8∩\cap\capcap
9∪\cup\cupcup
10⊎\uplus\uplusu plus
11⊓\sqcap\sqcapsquare cap
12⊔\sqcup\sqcupsquare cup
13∨\vee\veevee
14∧\wedge\wedgewedge
15≀\wr\wr
16←\leftarrow\leftarrowleft arrow
17⇐\Leftarrow\LeftarrowLeft arrow
18→\rightarrow\rightarrowright arrow
19⇒\Rightarrow\RightarrowRight arrow
20↔\leftrightarrow\leftrightarrowleft right arrow
21⇔\Leftrightarrow\LeftrightarrowLeft right arrow
22↦\mapsto\mapsto
23↼\leftharpoonup\leftharpoonupleft harpoon up
24↽\leftharpoondown\leftharpoondownleft harpoon down
25⇋\leftrightharpoons\leftrightharpoonsleft right harpoons
26⇌\rightleftharpoons\rightleftharpoonsright left harpoons
27↪\hookrightarrow\hookrightarrowhook right arrow
28⇀\rightharpoonup\rightharpoonupright harpoon up
29⇁\rightharpoondown\rightharpoondownright harpoon down
30↑\uparrow\uparrowup arrow
31⇑\Uparrow\UparrowUp arrow
32↓\downarrow\downarrowdown arrow
33⇓\Downarrow\DownarrowDown arrow
34↕\updownarrow\updownarrowup down arrow
35⇕\Updownarrow\UpdownarrowUp down arrow
36⇇\leftleftarrows\leftleftarrowsleft left arrow
37⇉\rightrightarrows\rightrightarrowsright right arrow
38⇆\leftrightarrows\leftrightarrowsleft right arrow
39⇄\rightleftarrows\rightleftarrowsright left arrow
40⇚\Lleftarrow\LleftarrowLeft left arrow
41⇛\Rrightarrow\RrightarrowRight right arrow
42↞\twoheadleftarrow\twoheadleftarrowtwo head right arrow
43↠\twoheadrightarrow\twoheadrightarrowtwo head left arrow
44↢\leftarrowtail\leftarrowtailleft arrow tail
45↣\rightarrowtail\rightarrowtailright arrow tail
46↫\looparrowleft\looparrowleftloop arrow left
47↬\looparrowright\looparrowrightloop arrow right
48↶\curvearrowleft\curvearrowleftcurve arrow left
49↷\curvearrowright\curvearrowrightcurve arrow right
50↺\circlearrowleft\circlearrowleftcircle arrow left
51↻\circlearrowright\circlearrowrightcircle arrow right
52⇠\dashleftarrow\dashleftarrowdash left arrow
53⇢\dashrightarrow\dashrightarrowdash right arrow
54↰\Lsh\Lsh
55↱\Rsh\Rsh
56⇈\upuparrows\upuparrowsup up arrows
57⇊\downdownarrows\downdownarrowsdown down arrows
58↿\upharpoonleft\upharpoonleftup harpoon left
59↾\upharpoonright\upharpoonrightup harpoon right
60⇃\downharpoonleft\downharpoonleftdown harpoon left
61⇂\downharpoonright\downharpoonrightdown harpoon right
62⇝\rightsquigarrow\rightsquigarrow
63↭\leftrightsquigarrow\leftrightsquigarrow
64⊸\multimap\multimap
65↚\nleftarrow\nleftarrownot left arrow
66↛\nrightarrow\nrightarrownot right arrow
67⇍\nLeftarrow\nLeftarrownot Left arrow
68⇏\nRightarrow\nRightarrownot Right arrow
69↮\nleftrightarrow\nleftrightarrownot left right arrow
70⇎\nLeftrightarrow\nLeftrightarrownot Left right arrow

四、希腊字母

序号大写小写小写Latex表达式英文拼写中文读法说明
1Aα\alphaα\alphaalpha阿尔法1
2Bβ\betaβ\betabeta贝塔1
3Γ\GammaΓγ\gammaγ\gammagamma伽马2
4Δ\DeltaΔδ\deltaδ\deltadelta德尔塔2
5Eϵ,ε\epsilon,\varepsilonϵ,ε\epsilonepsilon艾普西龙1,3
6Zζ\zetaζ\zetazeta捷塔1
7Hη\etaη\etaeta伊塔1
8Θ\ThetaΘθ,ϑ\theta,\varthetaθ,ϑ\thetatheta塞塔2,3
9Iι\iotaι\iotaiota艾欧塔1
10Kκ,ϰ\kappa,\varkappaκ,ϰ\kappakappa喀帕1,3
11Λ\LambdaΛλ\lambdaλ\lambdalambda拉姆达2
12Mμ\muμ\mumu1
13Nν\nuν\nunu1
14Ξ\XiΞξ\xiξ\xixi克西2
15Oο\omicronο\omicronomicron奥密克戎1
16Π\PiΠπ,ϖ\pi,\varpiπ,ϖ\pipi2,3
17Pρ,ϱ\rho,\varrhoρ,ϱ\rhorho1,3
18Σ\SigmaΣσ,ς\sigma,\varsigmaσ,ς\sigmasigma西格玛2,3
19Tτ\tauτ\tautau1
20Υ\UpsilonΥυ\upsilonυ\upsilonupsilon宇普西龙2
21Φ\PhiΦϕ,φ\phi,\varphiϕ,φ\phiphifai2,3
22Xχ\chiχ\chichi1
23Ψ\PsiΨψ\psiψ\psipsi普赛2
24Ω\OmegaΩω\omegaω\omegaomega欧米伽2

说明:

  1. 大写同英文字母
  2. 大写表达式首字母大写
  3. 花体表达式加var即可,例如花体ε\varepsilonε的表达式为\varepsilon

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