srcmini本文概述
数学或数学符号是用作执行数学功能的中间符号的那些符号。数学中的变量和函数用于各种目的。
建议使用命令$作为数学模式。下面提到的输入命令插入$之间以产生相应的输出。
以下是最常用的数学类型命令：
| 输入指令 | Output (math mode) | 输入指令 | Output (math mode) |
|---|---|---|---|
| \| | ‖ | \leq | ≤ |
| \alpha | α | \lnot | ¬ |
| \ast | * | \mid | | |
| \bigodot | ʘ | \mu | µ |
| \approx | ≈ | \pm | ± |
| \bullet | ● | \P | ¶ |
| \copyright | © | \div | ÷ |
| \Box | □ | \prod | ∏ |
| \downarrow | ↓ | \perp | ꓕ |
| \delta | ∆ | \sqrt | √ |
| \geq | ≥ | \int | ∫ |
| \gets | ← | \oe | œ |
| \gg | » | \mho | Ʊ |
| \infty | ∞ | \deg | deg |
其他流行的数学符号是：
| 输出量 | 输入指令 |
|---|---|
| ± | \pm |
| ∞ | \infty |
| ≠ | \neq |
| = | \eq |
| ~ | \sim |
| × | \times |
| ÷ | \div |
| ∝ | \propto |
| < | \less |
| ≤ | \leq |
| ≪ | \ll |
| > | \gtr |
| ≫ | \gg |
| ∂ | \partial |
| ∓ | \mp |
| ≅ | \cong |
| ≈ | \approx |
| ≡ | \equiv |
| ∀ | \forall |
| ∁ | \complement |
| + | \plus |
| √ | \surd |
| θ | \theta |
| ∪ | \cup |
| ∩ | \cap |
| ∅ | \phi |
| ∆ | \traingle |
| ∇ | \nabla |
| ∃ | \exists |
| ∄ | \nexists |
| ∈ | \in |
| ∋ | \ni |
| ← | \leftarrow |
| ↑ | \uparrow |
| � | \neq |
| ∴ | \therefore |
| ↔ | \leftrightarrow |
| ∎ | \blacksquare |
| ⋱ | \ddots |
| ⋯ | \cdots |
| ⋮ | \vdots |
| \ | \diagdown |
| / | \diagup |
| ꭥ | \ohm |
| ℵ | \aleph |
| ℘ | \wp |
| ∠ | \angle |
| ♣ | \clubsuit |
| ♠ | \spadesuit |
| ♦ | \blacklozenge |
| ⊕ | \oplus |
| ln | \ln |
| log | \log |
| ϴ | \ominus |
| ʃ | \int |
| ℓ | \ell |
| ℗ | \circledP |
| ℵ | \aleph |
| ℶ | \beth |
| ℏ | \hslash |
| ℜ | \Re |
| ℕ | \N |
| ℝ | \R |
| ℚ | \Q |
| ℤ | \Z |
| ↺ | \circlearrowleft |
| ↻ | \circlearrowright |
| ↶ | \curvearrowleft |
| ↷ | \curvearrowright |
| ⇊ | \downdownarrows |
| ↩ | \hookleftarrow |
| ↪ | \hookrightarrow |
| ↫ | \looparrowleft |
下表列出了一些其他常用符号：
| 符号 | 指令 |
|---|---|
| ∮ | \oint |
| ∬ | \iint |
| ∭ | \iiint |
| ∩ | \cap |
| ∪ | \cup |
| ≑ | \doteqdot |
| ≖ | \eqcirc |
| ≗ | \circeq |
| ≍ | \asymp |
| ≲ | \lesssim |
| ≳ | \gtrsim |
| ⊂ | \subset |
| ⊃ | \supset |
| ≒ | \fallingdotseq |
| ≎ | \Bumpeq |
| ⊆ | \subseteq |
| ⊇ | \supseteq |
| ⊈ | \nsubseteq |
| ⊉ | \nsupseteq |
| ⊏ | \sqsubset |
| ⊐ | \sqsupset |
| ⊑ | \sqsubseteq |
| ⊒ | \sqsupseteq |
| ⊓ | \sqcap |
| ⊔ | \sqcup |
| ⊗ | \otimes |
| ⊖ | \ominus |
| ⊘ | \oslash |
| ⊠ | \boxtimes |
| ⊡ | \boxdot |
| ⋬ | \ntrainglelefteq |
| ⦾ | \circledcirc |
| ⨄ | \uplus |
| ⊛ | \circledast |
希腊符号
希腊符号在下面列出：
| 符号 | 输入指令 |
|---|---|
| α | \alpha |
| β | \beta |
| γ | \gamma |
| δ | \delta |
| ε | \varepsilon |
| ϵ | \epsilon |
| ϑ | \vartheta |
| μ | \mu |
| π | \pi |
| ρ | \rho |
| σ | \sigma |
| τ | \tau |
| φ | \varphi |
| ω | \omega |
| χ | \chi |
| Π | \prod |
| Σ | \sum |
| Λ | \wedge |
| V | \vee |
| η | \eta |
| ς | \varsigma |
| ζ | \zeta |
| λ | \lambda |
| ϒ | \Upsilon |
| ϖ | \varpi |
三角函数
下表列出了三角函数：
| 功能 | 指令 |
|---|---|
| cos | \cos |
| sin | \sin |
| tan | \tan |
| cot | \cot |
| sec | \sec |
| cosec | \cosec |
| csc | \csc |
| arcsin | \arcsin |
| arccos | \arccos |
| arctan | \arctan |
| arcsec | \arcsec |
| arccot | \arccot |
| sinh | \sinh |
| cosh | \cosh |
| tanh | \tanh |
括号
文档中的括号用于各种目的。让我们考虑一个字母
一种
, 以了解方括号的格式。下表中列出了括号：
| 括号 | 输入指令 |
|---|---|
| ⟨a | \langle |
| a⟩ | \rangle |
| { | \lbrace |
| } | \rbrace |
| | | \lvert |
| | | \rvert |
| ‖a | \lVert |
| a‖ | \rVert |
| ⌊a | \lfloor |
| a⌋ | \rfloor |
| ⌈a | \lceil |
| 4⌉ | \rceil |
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