Latex Mathematical Symbols | LATEX数学符号 | markdown

    科技2022-07-10  168

    目录

    1. 希腊语和希伯来语字母2. LATEX数学结构3. 定界符 | 分隔符4. 可变大小的符号(显示的公式显示较大的版本)5. 标准函数名称6. 二元操作 | 关系符号7. 箭头符号8. 杂项符号9. 数学模式:音调10. 矩阵 | 阵列环境及其实例11. 其他样式(仅数学模式)12. 字体大小13. 文本模式:音调和符号

    更多特殊的符号在基础LATEX(NFSS)中并没有定义,需要使用 \usepackage{amssymb}。

    这些符号比较多,就不写使用例子了,更多LaTex | Markdown语法我会另起文章。

    1. 希腊语和希伯来语字母

    符号语法符号语法符号语法 α \alpha α\alpha β \beta β\beta χ \chi χ\chi δ \delta δ\delta ϵ \epsilon ϵ\epsilon η \eta η\eta γ \gamma γ\gamma ι \iota ι\iota κ \kappa κ\kappa λ \lambda λ\lambda μ \mu μ\mu ν \nu ν\nu o o oo ω \omega ω\omega ϕ \phi ϕ\phi π \pi π\pi ψ \psi ψ\psi ρ \rho ρ\rho σ \sigma σ\sigma τ \tau τ\tau θ \theta θ\theta υ \upsilon υ\upsilon ξ \xi ξ\xi ζ \zeta ζ\zeta ϝ \digamma ϝ\digamma ε \varepsilon ε\varepsilon ϰ \varkappa ϰ\varkappa φ \varphi φ\varphi ϖ \varpi ϖ\varpi ϱ \varrho ϱ\varrho ς \varsigma ς\varsigma ϑ \vartheta ϑ\vartheta Δ \Delta Δ\Delta Γ \Gamma Γ\Gamma Λ \Lambda Λ\Lambda Ω \Omega Ω\Omega Φ \Phi Φ\Phi Π \Pi Π\Pi Ψ \Psi Ψ\Psi Σ \Sigma Σ\Sigma Θ \Theta Θ\Theta Υ \Upsilon Υ\Upsilon Ξ \Xi Ξ\Xi ℵ \aleph \aleph ℶ \beth \beth ℸ \daleth \daleth ℷ \gimel \gimel

    2. LATEX数学结构

    符号语法符号语法符号语法 a b c x y z \frac{abc}{xyz} xyzabc\frac{abc}{xyz} a b c ‾ \overline{abc} abc\overline{abc} a b c → \overrightarrow{abc} abc \overrightarrow{abc} f ′ f' ff’ a b c ‾ \underline{abc} abc\underline{abc} a b c ← \overleftarrow{abc} abc \overleftarrow{abc} a b c \sqrt{abc} abc \sqrt{abc} a b c ^ \widehat{abc} abc \widehat{abc} a b c ⏞ \overbrace{abc} abc \overbrace{abc} a b c n \sqrt[n]{abc} nabc \sqrt[n]{abc} a b c ~ \widetilde{abc} abc \widetilde{abc} a b c ⏟ \underbrace{abc} abc\underbrace{abc}

    3. 定界符 | 分隔符

    建议使用\left S1和\right S2来匹配定界符S1和S2内容的高度(S1和S2表示两个符号对),如: \left| expression \right| -> ∣ e x p r e s s i o n ∣ \left| expression \right| expression \left\{ expression \right\} -> { e x p r e s s i o n } \left\{ expression \right\} {expression} \left\Vert expression \right\Vert -> ∥ e x p r e s s i o n ∥ \left\Vert expression \right\Vert expression

    符号语法符号语法符号语法|| ∣ \vert \vert ∥ \| \ | ∥ \Vert \Vert { \{ {\ { } \} }\ } ⟨ \langle \langle ⟩ \rangle \rangle ⌊ \lfloor \lfloor ⌋ \rfloor \rfloor ⌈ \lceil \lceil ⌉ \rceil \rceil / / // \ \backslash \\backslash [ [ [[ ] ] ]] ⇑ \Uparrow \Uparrow ↑ \uparrow \uparrow ⇓ \Downarrow \Downarrow ↓ \downarrow \downarrow └ \llcorner \llcorner ┘ \lrcorner \lrcorner ┌ \ulcorner \ulcorner ┐ \urcorner \urcorner

    4. 可变大小的符号(显示的公式显示较大的版本)

    符号语法符号语法符号语法 ∑ \sum \sum ∏ \prod \prod ∐ \coprod \coprod ∫ \int \int ∮ \oint \oint ∬ \iint \iint ⨄ \biguplus \biguplus ⋂ \bigcap \bigcap ⋃ \bigcup \bigcup ⨁ \bigoplus \bigoplus ⨂ \bigotimes \bigotimes ⨀ \bigodot \bigodot ⋁ \bigvee \bigvee ⋀ \bigwedge \bigwedge ⨆ \bigsqcup \bigsqcup ∨ \vee \vee ⊗ \otimes \otimes ⊔ \sqcup \sqcup

    最后一行显示的是正常大小,可看出大小差别

    5. 标准函数名称

    函数名称应该用罗马体,而不是斜体,如: 正确:\tan(at-n\pi) −> tan ⁡ ( a t − n π ) \tan(at-n\pi) tan(atnπ) 错误:tan(at-n\pi) −> t a n ( a t − n π ) tan(at-n\pi) tan(atnπ)

    符号语法符号语法符号语法 cos ⁡ \cos cos\cos sin ⁡ \sin sin\sin tan ⁡ \tan tan\tan arccos ⁡ \arccos arccos\arccos arcsin ⁡ \arcsin arcsin\arcsin arctan ⁡ \arctan arctan\arctan csc ⁡ \csc csc\csc sec ⁡ \sec sec\sec cot ⁡ \cot cot\cot log ⁡ \log log\log ln ⁡ \ln ln\ln lim ⁡ \lim lim\lim min ⁡ \min min\min max ⁡ \max max\max exp ⁡ \exp exp\exp cosh ⁡ \cosh cosh\cosh sinh ⁡ \sinh sinh\sinh tanh ⁡ \tanh tanh\tanh lim sup ⁡ \limsup limsup\limsup sup ⁡ \sup sup\sup coth ⁡ \coth coth\coth ker ⁡ \ker ker\ker deg ⁡ \deg deg\deg gcd ⁡ \gcd gcd\gcd lg ⁡ \lg lg\lg Pr ⁡ \Pr Pr\Pr det ⁡ \det det\det hom ⁡ \hom hom\hom arg ⁡ \arg arg\arg dim ⁡ \dim dim\dim inf ⁡ \inf inf\inf lim inf ⁡ \liminf liminf\liminf

    6. 二元操作 | 关系符号

    符号语法符号语法符号语法符号语法 ∗ \ast \ast ± \pm ±\pm ∩ \cap \cap ⊲ \lhd \lhd ⋆ \star \star ∓ \mp \mp ∪ \cup \cup ⊳ \rhd \rhd ⋅ \cdot \cdot ⨿ \amalg ⨿\amalg ⊎ \uplus \uplus ◃ \triangleleft \triangleleft ∘ \circ \circ ⊙ \odot \odot ⊓ \sqcap \sqcap ▹ \triangleright \triangleright ∙ \bullet \bullet ⊖ \ominus \ominus ⊔ \sqcup \sqcup ⊴ \unlhd \unlhd ◯ \bigcirc \bigcirc ⊕ \oplus \oplus ∧ \wedge \wedge ⊵ \unrhd \unrhd ⋄ \diamond \diamond ⊘ \oslash \oslash ∨ \vee \vee ▽ \bigtriangledown \bigtriangledown × \times ×\times ⊗ \otimes \otimes † \dagger \dagger △ \bigtriangleup \bigtriangleup ÷ \div ÷\div ≀ \wr \wr ‡ \ddagger \ddagger ∖ \setminus \setminus ⋅ \centerdot \centerdot □ \Box \Box ⊼ \barwedge \barwedge ⊻ \veebar \veebar ⊛ \circledast \circledast ⊞ \boxplus \boxplus ⋏ \curlywedge \curlywedge ⋎ \curlyvee \curlyvee ⊚ \circledcirc \circledcirc ⊟ \boxminus \boxminus ⋒ \Cap \Cap ⋓ \Cup \Cup ⊝ \circleddash \circleddash ⊠ \boxtimes \boxtimes ⊥ \bot \bot ⊤ \top \top ∔ \dotplus \dotplus ⊡ \boxdot \boxdot ⊺ \intercal \intercal ⋌ \rightthreetimes \rightthreetimes ⋇ \divideontimes \divideontimes □ \square \square ⩞ \doublebarwedge \doublebarwedge ⋋ \leftthreetimes \leftthreetimes ≡ \equiv \equiv ≤ \leq \leq ≥ \geq \geq ⊥ \perp \perp ≅ \cong \cong ≺ \prec \prec ≻ \succ \succ ∣ \mid \mid ≠ \neq =\neq ⪯ \preceq \preceq ⪰ \succeq \succeq ∥ \parallel \parallel ∼ \sim \sim ≪ \ll \ll ≫ \gg \gg ⋈ \bowtie \bowtie ≃ \simeq \simeq ⊂ \subset \subset ⊃ \supset \supset ⋈ \Join \Join ≈ \approx \approx ⊆ \subseteq \subseteq ⊇ \supseteq \supseteq ⋉ \ltimes \ltimes ≍ \asymp \asymp ⊏ \sqsubset \sqsubset ⊐ \sqsupset \sqsupset ⋊ \rtimes \rtimes ≐ \doteq \doteq ⊑ \sqsubseteq \sqsubseteq ⊒ \sqsupseteq \sqsupseteq ⌣ \smile \smile ∝ \propto \propto ⊣ \dashv \dashv ⊢ \vdash \vdash ⌢ \frown \frown ⊨ \models \models ∈ \in \in ∋ \ni \ni ∉ \notin /\notin ≊ \approxeq \approxeq ≦ \leqq \leqq ≧ \geqq \geqq ≶ \lessgtr \lessgtr ∼ \thicksim \thicksim ⩽ \leqslant \leqslant ⩾ \geqslant \geqslant ⋚ \lesseqgtr \lesseqgtr ∽ \backsim \backsim ⪅ \lessapprox \lessapprox ⪆ \gtrapprox \gtrapprox ⪋ \lesseqqgtr \lesseqqgtr ⋍ \backsimeq \backsimeq ⋘ \lll \lll ⋙ \ggg \ggg ⪌ \gtreqqless \gtreqqless ≜ \triangleq \triangleq ⋖ \lessdot \lessdot ⋗ \gtrdot \gtrdot ⋛ \gtreqless \gtreqless ≗ \circeq \circeq ≲ \lesssim \lesssim ≳ \gtrsim \gtrsim ≷ \gtrless \gtrless ≏ \bumpeq \bumpeq ⪕ \eqslantless \eqslantless ⪖ \eqslantgtr \eqslantgtr ∍ \backepsilon \backepsilon ≎ \Bumpeq \Bumpeq ≾ \precsim \precsim ≿ \succsim \succsim ≬ \between \between ≑ \doteqdot \doteqdot ⪷ \precapprox \precapprox ⪸ \succapprox \succapprox ⋔ \pitchfork \pitchfork ≈ \thickapprox \thickapprox ⋐ \Subset \Subset ⋑ \Supset \Supset ∣ \shortmid \shortmid ≒ \fallingdotseq \fallingdotseq ⫅ \subseteqq \subseteqq ⫆ \supseteqq \supseteqq ⌢ \smallfrown \smallfrown ≓ \risingdotseq \risingdotseq ⊏ \sqsubset \sqsubset ⊐ \sqsupset \sqsupset ⌣ \smallsmile \smallsmile ∝ \varpropto \varpropto ≼ \preccurlyeq \preccurlyeq ≽ \succcurlyeq \succcurlyeq ⊩ \Vdash \Vdash ∴ \therefore \therefore ⋞ \curlyeqprec \curlyeqprec ⋟ \curlyeqsucc \curlyeqsucc ⊨ \vDash \vDash ∵ \because \because ◀ \blacktriangleleft \blacktriangleleft ▶ \blacktriangleright \blacktriangleright ⊪ \Vvdash \Vvdash ≖ \eqcirc \eqcirc ⊴ \trianglelefteq \trianglelefteq ⊵ \trianglerighteq \trianglerighteq ∥ \shortparallel \shortparallel ≠ \neq =\neq ⊲ \vartriangleleft \vartriangleleft ⊳ \vartriangleright \vartriangleright ∦ \nshortparallel \nshortparallel ≆ \ncong \ncong ≰ \nleq \nleq ≱ \ngeq \ngeq ⊈ \nsubseteq \nsubseteq ∤ \nmid \nmid ≰ \nleqq \nleqq ≱ \ngeqq \ngeqq ⊉ \nsupseteq \nsupseteq ∦ \nparallel \nparallel ≰ \nleqslant \nleqslant ≱ \ngeqslant \ngeqslant ⊈ \nsubseteqq \nsubseteqq ∤ \nshortmid \nshortmid ≮ \nless \nless ≯ \ngtr \ngtr ⊉ \nsupseteqq \nsupseteqq ∦ \nshortparallel \nshortparallel ⊀ \nprec \nprec ⊁ \nsucc \nsucc ⊊ \subsetneq \subsetneq ≁ \nsim \nsim ⋠ \npreceq \npreceq ⋡ \nsucceq \nsucceq ⊋ \supsetneq \supsetneq ⊯ \nVDash \nVDash ⪹ \precnapprox \precnapprox ⪺ \succnapprox \succnapprox ⫋ \subsetneqq \subsetneqq ⊭ \nvDash \nvDash ⋨ \precnsim \precnsim ⋩ \succnsim \succnsim ⫌ \supsetneqq \supsetneqq ⊬ \nvdash \nvdash ⪉ \lnapprox \lnapprox ⪊ \gnapprox \gnapprox ⊊ \varsubsetneq \varsubsetneq ⋪ \ntriangleleft \ntriangleleft ⪇ \lneq \lneq ⪈ \gneq \gneq ⊋ \varsupsetneq \varsupsetneq ⋬ \ntrianglelefteq \ntrianglelefteq ≨ \lneqq \lneqq ≩ \gneqq \gneqq ⫋ \varsubsetneqq \varsubsetneqq ⋫ \ntriangleright \ntriangleright ⋦ \lnsim \lnsim ⋧ \gnsim \gnsim ⫌ \varsupsetneqq \varsupsetneqq ⋭ \ntrianglerighteq \ntrianglerighteq ≨ \lvertneqq \lvertneqq ≩ \gvertneqq \gvertneqq

    \Join ⋈ \Join 符号应该是粗体,采用KaTex语法所以看起来和\bowtie ⋈ \bowtie 一样。

    7. 箭头符号

    符号语法符号语法符号语法 ← \leftarrow \leftarrow ⟵ \longleftarrow \longleftarrow ↑ \uparrow \uparrow ⇐ \Leftarrow \Leftarrow ⟸ \Longleftarrow \Longleftarrow ⇑ \Uparrow \Uparrow → \rightarrow \rightarrow ⟶ \longrightarrow \longrightarrow ↓ \downarrow \downarrow ⇒ \Rightarrow \Rightarrow ⟹ \Longrightarrow \Longrightarrow ⇓ \Downarrow \Downarrow ↔ \leftrightarrow \leftrightarrow ⟷ \longleftrightarrow \longleftrightarrow ↕ \updownarrow \updownarrow ⇔ \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 ⇝ \leadsto \leadsto ⇢ \dashrightarrow \dashrightarrow ⇠ \dashleftarrow \dashleftarrow ⇇ \leftleftarrows \leftleftarrows ⇆ \leftrightarrows \leftrightarrows ⇚ \Lleftarrow \Lleftarrow ↞ \twoheadleftarrow \twoheadleftarrow ↢ \leftarrowtail \leftarrowtail ↫ \looparrowleft \looparrowleft ⇋ \leftrightharpoons \leftrightharpoons ↶ \curvearrowleft \curvearrowleft ↺ \circlearrowleft \circlearrowleft ↰ \Lsh \Lsh ⇈ \upuparrows \upuparrows ↿ \upharpoonleft \upharpoonleft ⇃ \downharpoonleft \downharpoonleft ⊸ \multimap \multimap ↭ \leftrightsquigarrow \leftrightsquigarrow ⇉ \rightrightarrows \rightrightarrows ⇄ \rightleftarrows \rightleftarrows ⇉ \rightrightarrows \rightrightarrows ⇄ \rightleftarrows \rightleftarrows ↠ \twoheadrightarrow \twoheadrightarrow ↣ \rightarrowtail \rightarrowtail ↬ \looparrowright \looparrowright ⇌ \rightleftharpoons \rightleftharpoons ↷ \curvearrowright \curvearrowright ↻ \circlearrowright \circlearrowright ↱ \Rsh \Rsh ⇊ \downdownarrows \downdownarrows ↾ \upharpoonright \upharpoonright ⇂ \downharpoonright \downharpoonright ⇝ \rightsquigarrow \rightsquigarrow ↚ \nleftarrow \nleftarrow ↛ \nrightarrow \nrightarrow ⇍ \nLeftarrow \nLeftarrow ⇏ \nRightarrow \nRightarrow ↮ \nleftrightarrow \nleftrightarrow ⇎ \nLeftrightarrow \nLeftrightarrow

    8. 杂项符号

    符号语法符号语法符号语法符号语法 ∞ \infty \infty ∀ \forall \forall k \Bbbk k\Bbbk ℘ \wp \wp ∇ \nabla \nabla ∃ \exists \exists ★ \bigstar \bigstar ∠ \angle \angle ∂ \partial \partial ∄ \nexists \nexists ╲ \diagdown \diagdown ∡ \measuredangle \measuredangle ð \eth ð\eth ∅ \emptyset \emptyset ╱ \diagup \diagup ∢ \sphericalangle \sphericalangle ♣ \clubsuit \clubsuit ∅ \varnothing \varnothing ◊ \Diamond \Diamond ∁ \complement \complement ♢ \diamondsuit \diamondsuit ı \imath ı\imath Ⅎ \Finv \Finv ▽ \triangledown \triangledown ♡ \heartsuit \heartsuit ȷ \jmath ȷ\jmath ⅁ \Game \Game △ \triangle \triangle ♠ \spadesuit \spadesuit ℓ \ell \ell ℏ \hbar \hbar △ \vartriangle \vartriangle ⋯ \cdots \cdots ∫ ∭ \int\iiint \iiiint ℏ \hslash \hslash ⧫ \blacklozenge \blacklozenge ⋮ \vdots \vdots ∭ \iiint \iiint ◊ \lozenge \lozenge ■ \blacksquare \blacksquare … \ldots \ldots ∬ \iint \iint ℧ \mho \mho ▲ \blacktriangle \blacktriangle ⋱ \ddots \ddots ♯ \sharp \sharp ′ \prime \prime ▼ \blacktriangledown \blacktriangledown ℑ \Im \Im ♭ \flat \flat □ \square \square ‵ \backprime \backprime ℜ \Re \Re ♮ \natural \natural √ \surd \surd Ⓢ \circledS \circledS

    注:四重积分无空格,这里是因为采用Katex语法而不是Latex语法,前者无法表示,故用空格隔开。

    9. 数学模式:音调

    符号语法符号语法符号语法符号语法 a ˊ \acute{a} aˊ\acute{a} a ˉ \bar{a} aˉ\bar{a} A ˊ ˊ \acute{\acute{A}} Aˊˊ\acute{\acute{A}} A ˉ ˉ \bar{\bar{A}} Aˉˉ\bar{\bar{A}} a ˘ \breve{a} a˘\breve{a} a ˇ \check{a} aˇ\check{a} A ˘ ˘ \breve{\breve{A}} A˘˘\breve{\breve{A}} A ˇ ˇ \check{\check{A}} Aˇˇ\check{\check{A}} a ¨ \ddot{a} a¨\ddot{a} a ˙ \dot{a} a˙\dot{a} A ¨ ¨ \ddot{\ddot{A}} A¨¨\ddot{\ddot{A}} A ˙ ˙ \dot{\dot{A}} A˙˙\dot{\dot{A}} a ˋ \grave{a} aˋ\grave{a} a ^ \hat{a} a^\hat{a} A ˋ ˋ \grave{\grave{A}} Aˋˋ\grave{\grave{A}} A ^ ^ \hat{\hat{A}} A^^\hat{\hat{A}} a ~ \tilde{a} a~\tilde{a} a ⃗ \vec{a} a \vec{a} A ~ ~ \tilde{\tilde{A}} A~~\tilde{\tilde{A}} A ⃗ ⃗ \vec{\vec{A}} A \vec{\vec{A}}

    10. 矩阵 | 阵列环境及其实例

    最简单的格式:\begin{array}{cols} row1 \\ row2 \\ . . . rowm \end{array}

    其中cols包括每一列的一个字符l, r, c (垂直线 | 为可选插入字符),rowj包括字符&共(n - 1)个,用于分隔行中的n个元素。

    例如: $\left( \begin{array}{cc} 2\tau & 7\phi-\frac5{12} \\ 3\psi & \frac{\pi}8 \end{array} \right)$ ( 2 τ 7 ϕ − 5 12 3 ψ π 8 ) \left( \begin{array}{cc} 2\tau & 7\phi-\frac5{12} \\ 3\psi & \frac{\pi}8 \end{array} \right) (2τ3ψ7ϕ1258π) $\left( \begin{array}{c} x \\ y \end{array} \right)$ ( x y ) \left( \begin{array}{c} x \\ y \end{array} \right) (xy) $\left[ \begin{array}{cc|r} 3 & 4 & 5 \\ 1 & 3 & 729 \end{array} \right] $ [ 3 4 5 1 3 729 ] \left[ \begin{array}{cc|r} 3 & 4 & 5 \\ 1 & 3 & 729 \end{array} \right] [31435729] $f(z) = \left\{ \begin{array}{rcl}\overline{\overline{z^2}+\cos z} && |z|<3 \\ 0 && 3\leq|z|\leq5 \\ \sin\overline{z} && |z|>5 \end{array}\right.$ f ( z ) = { z 2 ‾ + cos ⁡ z ‾ ∣ z ∣ < 3 0 3 ≤ ∣ z ∣ ≤ 5 sin ⁡ z ‾ ∣ z ∣ > 5 f(z) = \left\{ \begin{array}{rcl}\overline{\overline{z^2}+\cos z} && |z|<3 \\ 0 && 3\leq|z|\leq5 \\ \sin\overline{z} && |z|>5 \end{array}\right. f(z)=z2+cosz0sinzz<33z5z>5

    11. 其他样式(仅数学模式)

    书法字母:$\mathcal{A}$ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ} ABCDEFGHIJKLMNOPQRSTUVWXYZ 空心字母:$\mathbb{A}$ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ} ABCDEFGHIJKLMNOPQRSTUVWXYZ 德文尖角体字母:$\mathfrak{A}$ A B C D E F G H I J K L M N O P Q R S T a b c d e f g h i j k l m n o p q r s t 1234567890 \mathfrak{ABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrst1234567890} ABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrst1234567890 数学无衬线字母:$\mathsf{A}$ A B C D E F G H I J K L M N O P Q R S T a b c d e f g h i j k l m n o p q r s t 1234567890 \mathsf{ABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrst1234567890} ABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrst1234567890 数学粗体字母:$\mathbf{A}$ A B C D E F G H I J K L M N O P Q R a b c d e f g h i j k l m n o p q 1234567890 \mathbf{ABCDEFGHIJKLMNOPQRabcdefghijklmnopq1234567890} ABCDEFGHIJKLMNOPQRabcdefghijklmnopq1234567890 数学粗体斜体字母: 先定义\def\mathbi#1{\textbf{\em #1}},再使用$\mathbi{A}$即可。(KaTex不显示所以这里不做演示。)

    12. 字体大小

    数学模式: ${\displaystyle \int f^{-1}(x-x_a)\,dx}$           ⟹ ~~~~~~~~~\Longrightarrow           ∫ f − 1 ( x − x a )   d x {\displaystyle \int f^{-1}(x-x_a)\,dx} f1(xxa)dx ${\textstyle \int f^{-1}(x-x_a)\,dx}$               ⟹ ~~~~~~~~~~~~~\Longrightarrow               ∫ f − 1 ( x − x a )   d x {\textstyle \int f^{-1}(x-x_a)\,dx} f1(xxa)dx ${\scriptstyle \int f^{-1}(x-x_a)\,dx}$            ⟹ ~~~~~~~~~~\Longrightarrow            ∫ f − 1 ( x − x a ) d x {\scriptstyle \int f^{-1}(x-x_a)\,dx} f1(xxa)dx ${\scriptscriptstyle \int f^{-1}(x-x_a)\,dx}$ ⟹ \Longrightarrow ∫ f − 1 ( x − x a ) d x {\scriptscriptstyle \int f^{-1}(x-x_a)\,dx} f1(xxa)dx

    文本模式: $\Huge Huge~size$                       ⟹ ~~~~~~~~~~~~~~~~~~~~~\Longrightarrow                       H u g e   s i z e \Huge Huge~size Huge size $\huge huge~size$                       ⟹ ~~~~~~~~~~~~~~~~~~~~~\Longrightarrow                       h u g e   s i z e \huge huge~size huge size $\LARGE LARGE~size$                    ⟹ ~~~~~~~~~~~~~~~~~~\Longrightarrow                    L A R G E   s i z e \LARGE LARGE~size LARGE size $\Large Large~size$                    ⟹ ~~~~~~~~~~~~~~~~~~\Longrightarrow                    L a r g e   s i z e \Large Large~size Large size $\large large~size$                    ⟹ ~~~~~~~~~~~~~~~~~~\Longrightarrow                    l a r g e   s i z e \large large~size large size $\normalsize normal~size$           ⟹ ~~~~~~~~~\Longrightarrow           n o r m a l   s i z e \normalsize normal~size normal size $\small small~size$                    ⟹ ~~~~~~~~~~~~~~~~~~\Longrightarrow                    s m a l l   s i z e \small small~size small size $\footnotesize smaller~size$      ⟹ ~~~~\Longrightarrow      s m a l l e r   s i z e \footnotesize smaller~size smaller size $\scriptsize very~small~size$    ⟹ ~~\Longrightarrow    v e r y   s m a l l   s i z e \scriptsize very~small~size very small size $\tiny smallest~size$                ⟹ ~~~~~~~~~~~~~~\Longrightarrow                s m a l l e s t   s i z e \tiny smallest~size smallest size

    \textstyle和\normalsize可省略。

    13. 文本模式:音调和符号

    符号语法符号语法符号语法符号语法 © \copyright c\copyright £ \pounds £\pounds † \dag \dag ‡ \ddag \ddag

    其余KaTex语法无法显示的就不写了,反正这部分也几乎不会用到。

    参考美国莱斯大学计算与应用数学学院(Rice CAAM)发表的文档,并做了部分错误修正。 如有错漏请不吝指正。

    这些符号比较多,就不写使用例子了,更多LaTex | Markdown语法我会写在另起文章。

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