幫助:數學

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數學[]

meta:Help:Formula

數學符宜入<math> ... </math>

常符[]

聲調/變音符[]

\acute{a} \grave{a} \hat{a} \tilde{a} \breve{a}
\check{a} \bar{a} \ddot{a} \dot{a}

函數[]

\sin a \cos b \tan c
\sec d \csc e \cot f
\arcsin h \arccos i \arctan j
\sinh k \cosh l \tanh m \coth n\!
\operatorname{sh}o\,\operatorname{ch}p\,\operatorname{th}q\!
\operatorname{arsinh}r\,\operatorname{arcosh}s\,\operatorname{artanh}t
\lim u \limsup v \liminf w \min x \max y\!
\inf z \sup a \exp b \ln c \lg d \log e \log_{10} f \ker g\!
\deg h \gcd i \Pr j \det k \hom l \arg m \dim n

模代數[]

s_k \equiv 0 \pmod{m}
a\,\bmod\,b

微分[]

\nabla \, \partial x \, \mathrm{d}x \, \dot x \, \ddot y\, \mathrm{d}y/\mathrm{d}x\, \frac{\mathrm{d}y}{\mathrm{d}x}\, \frac{\partial^2 y}{\partial x_1\,\partial x_2}

集合[]

\forall \exists \empty \emptyset \varnothing
\in \ni \not \in \notin \subset \subseteq \supset \supseteq
\cap \bigcap \cup \bigcup \biguplus \setminus \smallsetminus
\sqsubset \sqsubseteq \sqsupset \sqsupseteq \sqcap \sqcup \bigsqcup

運算符[]

+ \oplus \bigoplus \pm \mp -
\times \otimes \bigotimes \cdot \circ \bullet \bigodot
\star * / \div \frac{1}{2} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \star * / \div \frac{1}{2}\,\!}


邏輯符[]

\land (or \and) \wedge \bigwedge \bar{q} \to p
\lor \vee \bigvee \lnot \neg q \And 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \lor \vee \bigvee \lnot \neg q \And\,\!}

根號[]

\sqrt{x} \sqrt[n]{x}

關系符[]

\sim \approx \simeq \cong \dot= \overset{\underset{\mathrm{def}}{}}{=}
< \le \ll \gg \ge > \equiv \not\equiv \ne \mbox{or} \neq \propto
\lessapprox \lesssim \eqslantless \leqslant \leqq \geqq \geqslant \eqslantgtr \gtrsim \gtrapprox

幾何符[]

\Diamond \Box \triangle \angle \perp \mid \nmid \| 45^\circ

箭頭[]

\leftarrow (or \gets) \rightarrow (or \to) \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow \longleftarrow \longrightarrow \longleftrightarrow 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \leftarrow \rightarrow \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow \longleftarrow \longrightarrow \longleftrightarrow \,\!}
\Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow (or \iff) 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow \!}
\uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow \nearrow \searrow \swarrow \nwarrow
\rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons \,\!}
\curvearrowleft \circlearrowleft \Lsh \upuparrows \rightrightarrows \rightleftarrows \Rrightarrow \rightarrowtail \looparrowright
\curvearrowright \circlearrowright \Rsh \downdownarrows \leftleftarrows \leftrightarrows \Lleftarrow \leftarrowtail \looparrowleft
\mapsto \longmapsto \hookrightarrow \hookleftarrow \multimap \leftrightsquigarrow \rightsquigarrow

奇符[]

\And \eth \S \P \% \dagger \ddagger \ldots \cdots
\smile \frown \wr \triangleleft \triangleright \infty \bot \top
\vdash \vDash \Vdash \models \lVert \rVert \imath \hbar 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \vdash \vDash \Vdash \models \lVert \rVert \imath \hbar\,\!}
\ell \mho \Finv \Re \Im \wp \complement 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \ell \mho \Finv \Re \Im \wp \complement\,\!}
\diamondsuit \heartsuit \clubsuit \spadesuit \Game \flat \natural \sharp 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \diamondsuit \heartsuit \clubsuit \spadesuit \Game \flat \natural \sharp\,\!}
\vartriangle \triangledown \lozenge \circledS \measuredangle \nexists \Bbbk \backprime \blacktriangle \blacktriangledown
\blacksquare \blacklozenge \bigstar \sphericalangle \diagup \diagdown \dotplus \Cap \Cup \barwedge
\veebar \doublebarwedge \boxminus \boxtimes \boxdot \boxplus \divideontimes \ltimes \rtimes \leftthreetimes
\rightthreetimes \curlywedge \curlyvee \circleddash \circledast \circledcirc \centerdot \intercal \leqq \leqslant
\eqslantless \lessapprox \approxeq \lessdot \lll \lessgtr \lesseqgtr \lesseqqgtr \doteqdot \risingdotseq
\fallingdotseq \backsim \backsimeq \subseteqq \Subset \preccurlyeq \curlyeqprec \precsim \precapprox \vartriangleleft
\Vvdash \bumpeq \Bumpeq \eqsim \gtrdot
\ggg \gtrless \gtreqless \gtreqqless \eqcirc \circeq \triangleq \thicksim \thickapprox \supseteqq
\Supset \succcurlyeq \curlyeqsucc \succsim \succapprox \vartriangleright \shortmid \between \shortparallel \pitchfork 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \Supset \succcurlyeq \curlyeqsucc \succsim \succapprox \vartriangleright \shortmid \between \shortparallel \pitchfork}
\varpropto \blacktriangleleft \therefore \backepsilon \blacktriangleright \because \nleqslant \nleqq \lneq \lneqq 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \varpropto \blacktriangleleft \therefore \backepsilon \blacktriangleright \because \nleqslant \nleqq \lneq \lneqq}
\lvertneqq \lnsim \lnapprox \nprec \npreceq \precneqq \precnsim \precnapprox \nsim \nshortmid 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \lvertneqq \lnsim \lnapprox \nprec \npreceq \precneqq \precnsim \precnapprox \nsim \nshortmid}
\nvdash \nVdash \ntriangleleft \ntrianglelefteq \nsubseteq \nsubseteqq \varsubsetneq \subsetneqq \varsubsetneqq \ngtr
\subsetneq
\ngeqslant \ngeqq \gneq \gneqq \gvertneqq \gnsim \gnapprox \nsucc \nsucceq \succneqq
\succnsim \succnapprox \ncong \nshortparallel \nparallel \nvDash \nVDash \ntriangleright \ntrianglerighteq \nsupseteq 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \succnsim \succnapprox \ncong \nshortparallel \nparallel \nvDash \nVDash \ntriangleright \ntrianglerighteq \nsupseteq}
\nsupseteqq \varsupsetneq \supsetneqq \varsupsetneqq 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \nsupseteqq \varsupsetneq \supsetneqq \varsupsetneqq}
\jmath \surd \ast \uplus \diamond \bigtriangleup \bigtriangledown \ominus 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \jmath \surd \ast \uplus \diamond \bigtriangleup \bigtriangledown \ominus\,\!}
\oslash \odot \bigcirc \amalg \prec \succ \preceq \succeq
\dashv \asymp \doteq \parallel
\ulcorner \urcorner \llcorner \lrcorner
\Coppa\coppa\varcoppa\Digamma\Koppa\koppa\Sampi\sampi\Stigma\stigma\varstigma

上標、下標、積分等[]

功能 語法 效果
上標 a^2
下標 a_2
組合 a^{2+2} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} a^{2+2}}
a_{i,j}
結合上下標 x_2^3 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} x_2^3}
前置上下標 {}_1^2\!X_3^4 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} {}_1^2\!X_3^4}
導數
HTML
x'
導數
PNG
x^\prime
導數
錯誤
x\prime
導數點 \dot{x}
\ddot{y}
向量 \vec{c} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \vec{c}}
\overleftarrow{a b}
\overrightarrow{c d} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \overrightarrow{c d}}
\widehat{e f g} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \widehat{e f g}}
上弧
(註: 正確應該用 \overarc,但在這裡行不通。要用建議的語法作為解抉辦法。)(使用\overarc時需要引入{arcs}套件。)
\overset{\frown} {AB}
上劃線 \overline{h i j}
下劃線 \underline{k l m}
上括號 \overbrace{1+2+\cdots+100}
\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix}
下括號 \underbrace{a+b+\cdots+z} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \underbrace{a+b+\cdots+z}}
\begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}
求和 \sum_{k=1}^N k^2 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \sum_{k=1}^N k^2}
\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}
求積 \prod_{i=1}^N x_i
\begin{matrix} \prod_{i=1}^N x_i \end{matrix} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \begin{matrix} \prod_{i=1}^N x_i \end{matrix}}
上積 \coprod_{i=1}^N x_i
\begin{matrix} \coprod_{i=1}^N x_i \end{matrix}
極限 \lim_{n \to \infty}x_n
\begin{matrix} \lim_{n \to \infty}x_n \end{matrix}
積分 \int_{-N}^{N} e^x\, \mathrm{d}x 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \int_{-N}^{N} e^x\, \mathrm{d}x}
\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix} 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}}
雙重積分 \iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \pagecolor{White} \iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y}
三重積分 \iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z
四重積分 \iiiint_{F}^{U} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z\,\mathrm{d}t
閉合的曲綫曲面積分 \oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y
交集 \bigcap_1^{n} p
並集 \bigcup_1^{k} p

分數矩陣並多行列式[]

分數 \frac{2}{4}=0.5
小型分數 \tfrac{2}{4} = 0.5 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \tfrac{2}{4} = 0.5}
大型分數(嵌套) \cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a}
大型分數(不嵌套) \dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a}
二項式系數 \dbinom{n}{r}=\binom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}
小型二項式系數 \tbinom{n}{r}=\tbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}
大型二項式系數 \binom{n}{r}=\dbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}
矩陣
\begin{matrix}
x & y \\
z & v
\end{matrix}
\begin{vmatrix}
x & y \\
z & v
\end{vmatrix}
\begin{Vmatrix}
x & y \\
z & v
\end{Vmatrix}
\begin{bmatrix}
0      & \cdots & 0      \\
\vdots & \ddots & \vdots \\
0      & \cdots & 0
\end{bmatrix}
譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0\end{bmatrix} }
\begin{Bmatrix}
x & y \\
z & v
\end{Bmatrix}
譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \begin{Bmatrix} x & y \\ z & v \end{Bmatrix}}
\begin{pmatrix}
x & y \\
z & v
\end{pmatrix}
譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \begin{pmatrix} x & y \\ z & v \end{pmatrix}}
\bigl( \begin{smallmatrix}
a&b\\ c&d
\end{smallmatrix} \bigr)
條件定義
f(n) =
\begin{cases} 
n/2,  & \mbox{if }n\mbox{ is even} \\
3n+1, & \mbox{if }n\mbox{ is odd}
\end{cases}
多行等式、同餘式
\begin{align}
f(x) & = (m+n)^2 \\
& = m^2+2mn+n^2 \\
\end{align}
begin{align}
3^{6n+3}+4^{6n+3} 
& \equiv (3^3)^{2n+1}+(4^3)^{2n+1}\\  
& \equiv 27^{2n+1}+64^{2n+1}\\  
& \equiv 27^{2n+1}+(-27)^{2n+1}\\ 
& \equiv 27^{2n+1}-27^{2n+1}\\
& \equiv 0 \pmod{91}\\
\end{align}
\begin{alignat}{3}
f(x) & = (m-n)^2 \\
f(x) & = (-m+n)^2 \\
& = m^2-2mn+n^2 \\
\end{alignat}
多行等式(左對齊)
\begin{array}{lcl}
z        & = & a \\
f(x,y,z) & = & x + y + z 
\end{array}
多行等式(右對齊)
\begin{array}{lcr}
z        & = & a \\
f(x,y,z) & = & x + y + z    
\end{array}
譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \begin{array}{lcr} z & = & a \\ f(x,y,z) & = & x + y + z \end{array}}
長公式換行

<math>f(x) \,\!</math>
<math>= \sum_{n=0}^\infty a_n x^n </math>
<math>= a_0+a_1x+a_2x^2+\cdots</math>

譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle = \sum_{n=0}^\infty a_n x^n } 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle = a_0 +a_1x+a_2x^2+\cdots}

方程組
\begin{cases}
3x + 5y +  z \\
7x - 2y + 4z \\
-6x + 3y + 2z
\end{cases}
數組
\begin{array}{|c|c||c|} a & b & S \\
\hline
0&0&1\\
0&1&1\\
1&0&1\\
1&1&0\\
\end{array}

字體[]

希蠟文[]

斜小寫希蠟文者,可置方程也。

正體希臘字母
特徵 語法 效果 註釋/外部鏈接
大寫字母
\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta
Α Β Γ Δ Ε Ζ Η Θ
\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi
Ι Κ Λ Μ Ν Ξ Ο Π
\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega
Ρ Σ Τ Υ Φ Χ Ψ Ω
小寫字母
\alpha \beta \gamma \delta \epsilon \zeta \eta \theta 譯不成 (實驗者,堪為則作MathML。:從伺服器 "/mathoid/local/v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle \alpha\beta\gamma\delta\epsilon\zeta\eta\theta\!}
\iota \kappa \lambda \mu \nu \xi \omicron \pi
\rho \sigma \tau \upsilon \phi \chi \psi \omega
異體字母
\Epsilon\epsilon\varepsilon
\Theta\theta\vartheta
\Kappa\kappa\varkappa
\Pi\pi\varpi
\Rho\rho\varrho
\Sigma\sigma\varsigma
\Phi\phi\varphi
已停用字母
\digamma
Ϝ[一]
粗體希臘字母
特徵 語法 效果
大寫字母
\boldsymbol{\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta}
\boldsymbol{\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi}
\boldsymbol{\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega}
小寫字母
\boldsymbol{\alpha \beta \gamma \delta \epsilon \zeta \eta \theta}
\boldsymbol{\iota \kappa \lambda \mu \nu \xi \omicron \pi}
\boldsymbol{\rho \sigma \tau \upsilon \phi \chi \psi \omega}
異體字母
\boldsymbol{\Epsilon\epsilon\varepsilon}
\boldsymbol{\Theta\theta\vartheta}
\boldsymbol{\Kappa\kappa\varkappa}
\boldsymbol{\Pi\pi\varpi}
\boldsymbol{\Rho\rho\varrho}
\boldsymbol{\Sigma\sigma\varsigma}
\boldsymbol{\Phi\phi\varphi}
已停用字母
\boldsymbol{\digamma}

黑板粗體[]

\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}

黑板粗體(Blackboard bold)表示數學、物理學中之向量並集合之符。


正粗體[]

\mathbf{012…abc…ABC…}
備註
花括號{},只用拉丁字母並數字,非用希臘字母\alpha等。

斜粗體[]

\boldsymbol{012…abc…ABC…\alpha \beta \gamma…}
\boldsymbol{}可粗合符。

斜體數字[]

\mathit{0123456789}

羅馬體[]

\mathrm{012…abc…ABC…}\mbox{}\operatorname{}
羅馬體可用數字並拉丁字母

哥特體[]

\mathfrak{012…abc…ABC…}
哥特體可用數字並拉丁字母。

手書體[]

\mathcal{ABC…}
手寫體效大寫拉丁字母。

希伯來字母[]

\aleph\beth\gimel\daleth

括號[]

功能 語法 顯示
短括號 ( \frac{1}{2} )
長括號 \left( \frac{1}{2} \right)

可用 \left\right ,示異號:

功能 語法 顯示
圓括號,小括號 \left( \frac{a}{b} \right)
方括號,中括號 \left[ \frac{a}{b} \right]
花括號,大括號 \left\{ \frac{a}{b} \right\}
角括號 \left \langle \frac{a}{b} \right \rangle
單豎線,絕對值 \left| \frac{a}{b} \right|
雙豎線,範 \left \| \frac{a}{b} \right \|
取整函數 \left \lfloor \frac{a}{b} \right \rfloor
取頂函數 \left \lceil \frac{c}{d} \right \rceil
斜線與反斜線 \left / \frac{a}{b} \right \backslash
上下箭頭 \left \uparrow \frac{a}{b} \right \downarrow
\left \Uparrow \frac{a}{b} \right \Downarrow
\left \updownarrow \frac{a}{b} \right \Updownarrow
混合括號 \left [ 0,1 \right )
\left \langle \psi \right |

單左括號 \left \{ \frac{a}{b} \right .
單右括號 \left . \frac{a}{b} \right \}

備註:

  • 可用 \big, \Big, \bigg, \Bigg 制大小
\Bigg ( \bigg [ \Big \{ \big \langle \left | \| \frac{a}{b} \| \right | \big \rangle \Big \} \bigg ] \Bigg )

 示︰

空格[]

2個quad空格 \alpha\qquad\beta
quad空格 \alpha\quad\beta
大空格 \alpha\ \beta
中等空格 \alpha\;\beta
小空格 \alpha\,\beta
沒有空格 \alpha\beta
緊貼 \alpha\!\beta

[]

  • 字色︰-{}-{\color{色調}表達式}
  • 背色︰-{}-{\pagecolor{色調}表達式}
Colors supported

註︰首字母必大寫,如\color{OliveGreen}

  • {\color{Blue}x^2}+{\color{Brown}2x} - {\color{OliveGreen}1}
  • x_{\color{Maroon}1,2}=\frac{-b\pm\sqrt{{\color{Maroon}b^2-4ac}}}{2a}

用PNG[]

2x=1 \,
以PNG圖出。

君亦可用 \,\!,亦能強用PNG圖。

閱讀更多:Help:Displaying a formula#Forced PNG rendering
    • 念作WawDigamma