LATEX 数学符号2024 年 9 月 27 日 | 3 分钟阅读 数学符号是在执行数学函数时用作中介的符号。数学中的变量和函数用于各种目的。 推荐使用 $ 作为数学模式。下面提到的输入命令插入到 $ 之间以生成相应的输出。 最常用的数学类型命令如下 | 输入命令 | 输出 (数学模式) | 输入命令 | 输出 (数学模式) |
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| \| | ‖ | \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 |
其他常用的数学符号 | 输出 | 输入命令 |
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| ± | \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的符号 | 符号 | 命令 |
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| ∮ | \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 |
希腊字母下面列出了希腊字母 | 符号 | 输入命令 |
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| 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 | 函数 | 命令 |
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| 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 a,来理解括号的格式。括号在下表中列出| 方括号 | 输入命令 |
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| ⟨a | \langle | | a⟩ | \rangle | | { | \lbrace | | } | \rbrace | | | | \lvert | | | | \rvert | | ‖a | \lVert | | a‖ | \rVert | | ⌊a | \lfloor | | a⌋ | \rfloor | | ⌈a | \lceil | | 4⌉ | \rceil |
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