LaTeX数学符号汇总 |
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LaTeX数学符号
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[] => [ ] [] [] () => ( ) () () {} => { } \{\} {} 自适应大小括号 \left( 与\right) : (\frac{\sqrt x}{y^3}) => ( x y 3 ) (\frac{\sqrt x}{y^3}) (y3x ) \left(\frac{\sqrt x}{y^3}\right) => ( x y 3 ) \left(\frac{\sqrt x}{y^3}\right) (y3x ) 上标^ 与 下标_\bar a=> a ˉ \bar a aˉ \overline {ab}=> a b ‾ \overline {ab} ab \hat a => a ^ \hat a a^ \widehat {abc} => a b c ^ \widehat {abc} abc "x_i^2 => x i 2 x_i^2 xi2 log_2 A => l o g 2 A log_2 A log2A 必要时分组{} 10^{12} => 1 0 12 10^{12} 1012 10^12 => 1 0 1 2 10^12 1012 10_12 => 1 0 1 2 10_12 1012 10_{12} => 1 0 12 10_{12} 1012 A_b^c => A b c A_b^c Abc A_{b^c} => A b c A_{b^c} Abc 基本运算符 A\times B => A × B A\times B A×B A\div B => A ÷ B A\div B A÷B A\cdot B => A ⋅ B A\cdot B A⋅B \Rightarrow => ⇒ \Rightarrow ⇒ 比较运算符 \forall => ∀ \forall ∀ \exists => ∃ \exists ∃ \exists\lt — ; \lt \le — ≤ \le ≤ \leq — ≤ \leq ≤ \leqq — ≦ \leqq ≦ \leqslant — ⩽ \leqslant ⩽ \ge — ≥ \ge ≥ \geq — ≥ \geq ≥ \geqq — ≧ \geqq ≧ \geqslant — ⩾ \geqslant ⩾ \neq — ≠ \neq ̸= 不等号\approx — ≈ \approx ≈ \sim — ∼ \sim ∼ \simeq— ≃ \simeq ≃ \cong — ≅ \cong ≅ \equiv— ≡ \equiv ≡ \prec— ≺ \prec ≺ 常用运算符 \frac{a}{b} => a b \frac{a}{b} ba 复杂分数适用 \frac ab => a b \frac ab ba 简单分数适用 \cfrac{a}{b} => a b \cfrac{a}{b} ba 连续分数适用\sqrt{x^3} => x 3 \sqrt{x^3} x3 \sqrt[3]{\frac xy} => x y 3 \sqrt[3]{\frac xy} 3yx \sin x => sin x \sin x sinx\vert a\vert => ∣ a ∣ \vert a\vert ∣a∣ \Vert a\Vert => ∥ a ∥ \Vert a\Vert ∥a∥ \langle A \rangle = > ⟨ A ⟩ \langle A \rangle ⟨A⟩ \lceilA\rceil => ⌈ A ⌉ \lceil A\rceil ⌈A⌉ \lfloor A\rfloor => ⌊ A ⌋ \lfloor A\rfloor ⌊A⌋ \Biggl(\biggl(\Bigl(\bigl((x)\bigr)\Bigr)\biggr)\Biggr) => ( ( ( ( ( x ) ) ) ) ) \Biggl(\biggl(\Bigl(\bigl((x)\bigr)\Bigr)\biggr)\Biggr) (((((x))))) 集合运算符 \cup => ∪ \cup ∪ \cap => ∩ \cap ∩ \setminus => ∖ \setminus ∖ \subset => ⊂ \subset ⊂ \subseteq => ⊆ \subseteq ⊆ \subsetneq => ⊊ \subsetneq ⊊ \supset => ⊃ \supset ⊃ \in => ∈ \in ∈ \notin => ∉ \notin ∈/ \emptyset => ∅ \emptyset ∅ \varnothing => ∅ \varnothing ∅ 常用高级运算符\nabla => ∇ \nabla ∇ \partial => ∂ \partial ∂ \sum => ∑ \sum ∑ \sum_{i=0}^m i^2 => ∑ i = 0 m i 2 \sum_{i=0}^m i^2 ∑i=0mi2 \int A => ∫ A \int A ∫A \iint ∬ => ∬ \iint ∬ \iiint ∬ => ∭ \iiint ∭ \int_a^b => ∫ a b \int_a^b ∫ab \prod_{n=1}^{123} => ∏ n = 1 123 \prod_{n=1}^{123} ∏n=1123 \bigcup => ⋃ \bigcup ⋃ \bigcap => ⋂ n = 1 123 \bigcap_{n=1}^{123} ⋂n=1123 \lim_{x\to 0} => lim x → 0 \lim_{x\to 0} limx→0 {n+1 \choose 2k} ⇒ ( n + 1 2 k ) {n+1 \choose 2k} (2kn+1) \ldots => a 1 , a 2 … a n a_1,a_2\ldots a_n a1,a2…an \cdots => a 1 , a 2 ⋯ a n a_1,a_2\cdots a_n a1,a2⋯an 大括号 \left\{ \begin\{array\}{c} a_1x+b_1y+c_1z=d_1 \\ a_2x+b_2y+c_2z=d_2 \\ a_3x+b_3y+c_3z=d_3 \end{array} \right.{ a 1 x + b 1 y + c 1 z = d 1 a 2 x + b 2 y + c 2 z = d 2 a 3 x + b 3 y + c 3 z = d 3 \left\{ \begin{array}{c} a_1x+b_1y+c_1z=d_1 \\ a_2x+b_2y+c_2z=d_2 \\ a_3x+b_3y+c_3z=d_3 \end{array} \right. ⎩⎨⎧a1x+b1y+c1z=d1a2x+b2y+c2z=d2a3x+b3y+c3z=d3 f(n) = \begin{cases} n/2, & \text{if $n$ is even} \\ 3n+1, & \text{if $n$ is odd} \end{cases}f ( n ) = { n / 2 , if n is even 3 n + 1 , if n is odd f(n) = \begin{cases} n/2, ; \text{if $n$ is even} \\ 3n+1, ; \text{if $n$ is odd} \end{cases} f(n)={n/2,3n+1,if n is evenif n is odd 常用希腊字符 \alpha => α \alpha α \beta => β \beta β \gamma => γ \gamma γ \Gamma => Γ \Gamma Γ \omega => ω \omega ω Omega => Ω \Omega Ω \Delta => Δ \Delta Δ \theta => θ \theta θ \epsilon => ϵ \epsilon ϵ \varepsilon => ε \varepsilon ε \phi => ϕ \phi ϕ \varphi => φ \varphi φ \ell => ℓ \ell ℓ 专用字符-常规abcABC123 \mathbb {abcABC123} => a b c A B C 123 \mathbb {abcABC123} abcABC123 \mathit {abcABC123} => a b c A B C 123 \mathit {abcABC123} abcABC123 \pmb {abcABC123} => a b c A B C 123 \pmb {abcABC123} abcABC123abcABC123abcABC123 \mathtt {abcABC123} => a b c A B C 123 \mathtt {abcABC123} abcABC123 \mathrm {abcABC123} => a b c A B C 123 \mathrm {abcABC123} abcABC123 \mathsf {abcABC123} => a b c A B C 123 \mathsf {abcABC123} abcABC123 \mathcal {abcABC123} => a b c A B C 123 \mathcal {abcABC123} abcABC123 \mathscr {abcABC123} => a b c A B C 123 \mathscr {abcABC123} abcABC123 \mathfrak {abcABC123} => a b c A B C 123 \mathfrak {abcABC123} abcABC123 矩阵 \begin{matrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{matrix}1 x x 2 1 y y 2 1 z z 2 \begin{matrix} 1 ; x ; x^2 \\ 1 ; y ; y^2 \\ 1 ; z ; z^2 \\ \end{matrix} 111xyzx2y2z2 \begin{pmatrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{pmatrix}( 1 x x 2 1 y y 2 1 z z 2 ) \begin{pmatrix} 1 ; x ; x^2 \\ 1 ; y ; y^2 \\ 1 ; z ; z^2 \\ \end{pmatrix} ⎝⎛111xyzx2y2z2⎠⎞ \begin{bmatrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{bmatrix}[ 1 x x 2 1 y y 2 1 z z 2 ] \begin{bmatrix} 1 ; x ; x^2 \\ 1 ; y ; y^2 \\ 1 ; z ; z^2 \\ \end{bmatrix} ⎣⎡111xyzx2y2z2⎦⎤ \begin{Bmatrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{Bmatrix}{ 1 x x 2 1 y y 2 1 z z 2 } \begin{Bmatrix} 1 ; x ; x^2 \\ 1 ; y ; y^2 \\ 1 ; z ; z^2 \\ \end{Bmatrix} ⎩⎨⎧111xyzx2y2z2⎭⎬⎫ \begin{vmatrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{vmatrix}∣ 1 x x 2 1 y y 2 1 z z 2 ∣ \begin{vmatrix} 1 ; x ; x^2 \\ 1 ; y ; y^2 \\ 1 ; z ; z^2 \\ \end{vmatrix} ∣∣∣∣∣∣111xyzx2y2z2∣∣∣∣∣∣ 以上为常用内容提取自:lMathJax basic tutorial and quick refer. |
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