LaTeX
记录 —— 各种数学符号
希腊字母
大写LaTeX 命令 | 小写LaTeX 命令 | 大写 | 小写 | | 大写LaTeX 命令 | 小写LaTeX 命令 | 大写 | 小写 | | 大写LaTeX 命令 | 小写LaTeX 命令 | 大写 | 小写 |
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A | \alpha | AAA | α\alphaα | | I | \iota | III | ι\iotaι | | P | \rho , \varrho | PPP | ρ\rhoρ, ϱ\varrhoϱ |
B | \beta | BBB | β\betaβ | | K | \kappa | KKK | κ\kappaκ | | \Sigma | \sigma , \varsigma | Σ\SigmaΣ | σ\sigmaσ, ς\varsigmaς |
\Gamma | \gamma | Γ\GammaΓ | γ\gammaγ | | \Lambda | \lambda | Λ\LambdaΛ | λ\lambdaλ | | T | \tau | TTT | τ\tauτ |
\Delta | \delta | Δ\DeltaΔ | δ\deltaδ | | M | \mu | MMM | μ\muμ | | \Upsilon | \upsilon | Υ\UpsilonΥ | υ\upsilonυ |
E | \epsilon , \varepsilon | EEE | ϵ\epsilonϵ, ε\varepsilonε | | N | \nu | NNN | ν\nuν | | \Phi | \phi , \varphi | Φ\PhiΦ | ϕ\phiϕ, φ\varphiφ |
Z | \zeta | ZZZ | ζ\zetaζ | | \Xi | \xi | Ξ\XiΞ | ξ\xiξ | | X | \chi | XXX | χ\chiχ |
H | \eta | HHH | η\etaη | | O | o | OOO | ooo | | \Psi | \psi | Ψ\PsiΨ | ψ\psiψ |
Theta | \theta , \vartheta | Θ\ThetaΘ | θ\thetaθ, ϑ\varthetaϑ | | Pi | \pi , \varpi | Π\PiΠ | π\piπ, ϖ\varpiϖ | | \Omega | \omega | Ω\OmegaΩ | ω\omegaω |
数字模式重音符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\hat{a} | a^\hat{a}a^ | | \dot{a} | a˙\dot{a}a˙ | | \widehat{A} | A^\widehat{A}A |
\grave{a} | aˋ\grave{a}aˋ | | \vec{a} | a⃗\vec{a}a | | \acute{a} | aˊ\acute{a}aˊ |
\bar{a} | aˉ\bar{a}aˉ | | \tilde{a} | a~\tilde{a}a~ | | \breve{a} | a˘\breve{a}a˘ |
\check{a} | aˇ\check{a}aˇ | | \ddot{a} | a¨\ddot{a}a¨ | | \widetilde{A} | A~\widetilde{A}A |
二元关系符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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< | <<< | | > | >>> | | = | === |
\leq , \le | ≤\leq≤ | | \geq , \ge | ≥\geq≥ | | \equiv | ≡\equiv≡ |
\ll | ≪\ll≪ | | \gg | ≫\gg≫ | | \doteq | ≐\doteq≐ |
\prec | ≺\prec≺ | | \succ | ≻\succ≻ | | \sim | ∼\sim∼ |
\preceq | ⪯\preceq⪯ | | \succeq | ⪰\succeq⪰ | | \simeq | ≃\simeq≃ |
\subset | ⊂\subset⊂ | | \supset | ⊃\supset⊃ | | \approx | ≈\approx≈ |
\subseteq | ⊆\subseteq⊆ | | \supseteq | ⊇\supseteq⊇ | | \cong | ≅\cong≅ |
\sqsubseteq | ⊑\sqsubseteq⊑ | | \sqsupseteq | ⊒\sqsupseteq⊒ | | \bowtie | ⋈\bowtie⋈ |
\in | ∈\in∈ | | \ni , \owns | ∋\ni∋ | | \propto | ∝\propto∝ |
\vdash | ⊢\vdash⊢ | | \dashv | ⊣\dashv⊣ | | \models | ⊨\models⊨ |
\mid | ∣\mid∣ | | \parallel | ∥\parallel∥ | | \perp | ⊥\perp⊥ |
\smile | ⌣\smile⌣ | | \frown | ⌢\frown⌢ | | \asymp | ≍\asymp≍ |
: | ::: | | \notin | ∉\notin∈/ | | \neq , ne | ≠\neq̸= |
注:
二元关系符中有三个比较特殊的关系符,在使用时需要添加latexsym
宏包:
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\sqsubset | ⊏\sqsubset⊏ | | \sqsupset | ⊐\sqsupset⊐ | | \Join | ⋈\Join⋈ |
二元运算符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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+ | +++ | | - | −-− | | | |
\pm | ±\pm± | | \mp | ∓\mp∓ | | \triangleleft | ◃\triangleleft◃ |
\cdot | ⋅\cdot⋅ | | \div | ÷\div÷ | | \triangleright | ▹\triangleright▹ |
\times | ×\times× | | \setminus | ∖\setminus∖ | | \star | ⋆\star⋆ |
\cup | ∪\cup∪ | | \cap | ∩\cap∩ | | \ast | ∗\ast∗ |
\sqcup | ⊔\sqcup⊔ | | \sqcap | ⊓\sqcap⊓ | | \circ | ∘\circ∘ |
\vee , \lor | ∨\vee∨ | | \wedge , land | ∧\wedge∧ | | \bullet | ∙\bullet∙ |
\oplus | ⊕\oplus⊕ | | \ominus | ⊖\ominus⊖ | | \diamond | ⋄\diamond⋄ |
\odot | ⊙\odot⊙ | | \oslash | ⊘\oslash⊘ | | \uplus | ⊎\uplus⊎ |
\otimes | ⊗\otimes⊗ | | \bigcirc | ◯\bigcirc◯ | | \amalg | ⨿\amalg⨿ |
\bigtriangleup | △\bigtriangleup△ | | \bigtriangledown | ▽\bigtriangledown▽ | | \dagger | †\dagger† |
\ddagger | ‡\ddagger‡ | | \wr | ≀\wr≀ | | | |
注:
与二元关系符类似,二元运算符中有4个特殊符号需要添加latexsym
宏包:
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\lhd | ⊲\lhd⊲ | | \rhd | ⊳\rhd⊳ |
\unlhd | ⊴\unlhd⊴ | | \unrhd | ⊵\unrhd⊵ |
大尺寸运算符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\\sum | ∑\sum∑ | | \bigcup | ⋃\bigcup⋃ | | \bigvee | ⋁\bigvee⋁ | | \bigoplus | ⨁\bigoplus⨁ |
\prod | ∏\prod∏ | | \bigcap | ⋂\bigcap⋂ | | \bigwedge | ⋀\bigwedge⋀ | | \bigotimes | ⨂\bigotimes⨂ |
\coprod | ∐\coprod∐ | | \bigsqcup | ⨆\bigsqcup⨆ | | | | | \bigodot | ⨀\bigodot⨀ |
\int | ∫\int∫ | | \oint | ∮\oint∮ | | | | | \biguplus | ⨄\biguplus⨄ |
箭头
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\leftarrow , \gets | ←\gets← | | \longleftarrow | ⟵\longleftarrow⟵ | | \uparrow | ↑\uparrow↑ |
\rightarrow , \to | →\to→ | | \longrightarrow | ⟶\longrightarrow⟶ | | \downarrow | ↓\downarrow↓ |
\leftrightarrow | ↔\leftrightarrow↔ | | \longleftrightarrow | ⟷\longleftrightarrow⟷ | | \updownarrow | ↕\updownarrow↕ |
\Leftarrow | ⇐\Leftarrow⇐ | | \Longleftarrow | ⟸\Longleftarrow⟸ | | \Uparrow | ⇑\Uparrow⇑ |
\Rightarrow | ⇒\Rightarrow⇒ | | \Longrightarrow | ⟹\Longrightarrow⟹ | | \Downarrow | ⇓\Downarrow⇓ |
\Leftrightarrow | ⇔\Leftrightarrow⇔ | | \Longleftrightarrow | ⟺\Longleftrightarrow⟺ | | \Updownarrow | ⇕\Updownarrow⇕ |
\mapsto | ↦\mapsto↦ | | \longmapsto | ⟼\longmapsto⟼ | | \nearrow | ↗\nearrow↗ |
\hookleftarrow | ↩\hookleftarrow↩ | | \hookrightarrow | ↪\hookrightarrow↪ | | \searrow | ↘\searrow↘ |
\leftharpoonup | ↼\leftharpoonup↼ | | \rightharpoonup | ⇀\rightharpoonup⇀ | | \swarrow | ↙\swarrow↙ |
\leftharpoondown | ↽\leftharpoondown↽ | | \rightharpoondown | ⇁\rightharpoondown⇁ | | \nwarrow | ↖\nwarrow↖ |
\rightleftharpoons | ⇌\rightleftharpoons⇌ | | \iff (bigger spaces) |   ⟺  \iff⟺ | | \ | $$ |
注:
同上特殊情况,箭头中有1个符号需要添加latexsym
宏包:
LaTeX 命令 | 符号 |
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\leadsto | ⇝\leadsto⇝ |
定界符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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( | ((( | | ) | ))) | | \uparrow | ↑\uparrow↑ | | \Uparrow | ⇑\Uparrow⇑ |
[ , \lbrack | [\lbrack[ | | ] , rbrack | ]\rbrack] | | \downarrow | ↓\downarrow↓ | | \Downarrow | ⇓\Downarrow⇓ |
\{ , \lbrace | {\{{ | | \} , \rbrace | }\}} | | \updownarrow | ↕\updownarrow↕ | | \Updownarrow | ⇕\Updownarrow⇕ |
\langle | ⟨\langle⟨ | | \rangle | ⟩\rangle⟩ | | \| , \vert | | | | \\| , \Vert | ∥\Vert∥ |
\lfloor | ⌊\lfloor⌊ | | \rfloor | ⌋\rfloor⌋ | | \lceil | ⌈\lceil⌈ | | \rceil | ⌉\rceil⌉ |
/ | /// | | \backslash | \\backslash\ | | | | | | |
大尺寸定界符
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\lgroup | ⟮\lgroup⟮ | | \rgroup | ⟯\rgroup⟯ | | \lmoustache | ⎰\lmoustache⎰ | | \rmoustache | ⎱\rmoustache⎱ |
\arrowvert | KaTeX parse error: Expected 'EOF', got '\arrowvert' at position 1: \̲a̲r̲r̲o̲w̲v̲e̲r̲t̲ | | \Arrowvert | KaTeX parse error: Expected 'EOF', got '\Arrowvert' at position 1: \̲A̲r̲r̲o̲w̲v̲e̲r̲t̲ | | \bracevert | KaTeX parse error: Expected 'EOF', got '\bracevert' at position 1: \̲b̲r̲a̲c̲e̲v̲e̲r̲t̲ | | | |
其它符号
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\dots | …\dots… | | \cdots | ⋯\cdots⋯ | | \vdots | ⋮\vdots⋮ | | \ddtos | ⋱\ddots⋱ |
\hbar | ℏ\hbarℏ | | \imath | ı\imathı | | \jmath | ȷ\jmathȷ | | \ell | ℓ\ellℓ |
\Re | ℜ\Reℜ | | \Im | ℑ\Imℑ | | \aleph | ℵ\alephℵ | | \wp | ℘\wp℘ |
\forall | ∀\forall∀ | | \exists | ∃\exists∃ | | | | | \partial | ∂\partial∂ |
‘ | ’’’ | | \prime | ′\prime′ | | \emptyset | ∅\emptyset∅ | | \infty | ∞\infty∞ |
\nabla | ∇\nabla∇ | | \triangle | △\triangle△ | | | | | | |
\bot | ⊥\bot⊥ | | \top | ⊤\top⊤ | | \angle | ∠\angle∠ | | \surd | √\surd√ |
\diamondsuit | ♢\diamondsuit♢ | | \heartsuit | ♡\heartsuit♡ | | \clubsuit | ♣\clubsuit♣ | | \spadesuit | ♠\spadesuit♠ |
\neg , lnot | ¬\neg¬ | | \flat | ♭\flat♭ | | \natural | ♮\natural♮ | | \sharp | ♯\sharp♯ |
注:
同上特殊情况,其它符号中有3个特殊符号需要添加latexsym
宏包:
LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 | | LaTeX 命令 | 符号 |
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\mho | ℧\mho℧ | | \Box | □\Box□ | | \Diamond | ◊\Diamond◊ |