搜索
Help:数学公式维基百科，自由的百科全书这是元维基上帮助文件副本的中文翻译，请参看元维基上的帮助文件后再修改本文。本文在元维基的原文是：meta:Help:Formula2003年1月始，维基百科开始使用TEX标记来处理数学公式。它会根据用户的设定以及公式的复杂程度，自动生成PNG图像或者简单的HTML标记。数学记号应该放在math.../math标记中。关于TEX显示的讨论或者您有任何建议，请到英文维基百科的相关页面（直接点击本页左方的链接）。目录1函数、符号及特殊字符1.1声调/变音符号1.2标准函数1.3模代数1.4微分1.5集合1.6运算符1.7逻辑符号1.8根号1.9关系符号1.10几何符号1.11箭头1.12特殊符号2上标、下标及积分等3分数、矩阵和多行列式4字体4.1希腊字母4.2黑板粗体4.3正粗体4.4斜粗体4.5斜体数字4.6罗马体4.7哥特体4.8手写体4.9希伯来字母5括号6空格7顏色8小型數學公式9強制使用PNG10注释11外部鏈接函数、符号及特殊字符声调/变音符号\acute{a}\grave{a}\hat{a}\tilde{a}\breve{a}\check{a}\bar{a}\ddot{a}\dot{a}标准函数\sina\cosb\tanc\secd\csce\cotf\arcsinh\arccosi\arctanj\sinhk\coshl\tanhm\cothn\!\operatorname{sh}o\,\operatorname{ch}p\,\operatorname{th}q\!\operatorname{arsinh}r\,\operatorname{arcosh}s\,\operatorname{artanh}t\limu\limsupv\liminfw\minx\maxy\!\infz\supa\expb\lnc\lgd\loge\log_{10}f\kerg\!\degh\gcdi\Prj\detk\homl\argm\dimn模代数s_k\equiv0\pmod{m}a\,\bmod\,b微分\nabla\,\partialx\,dx\,\dotx\,\ddoty\,dy/dx\,\frac{dy}{dx}\,\frac{\partial^2y}{\partialx_1\,\partialx_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运算符+\oplus\bigoplus\pm\mp-\times\otimes\bigotimes\cdot\circ\bullet\bigodot\star*/\div\frac{1}{2}逻辑符号\land(or\and)\wedge\bigwedge\bar{q}\top\lor\vee\bigvee\lnot\negq\And根号\sqrt{2}\sqrt[n]{x}关系符号\sim\approx\simeq\cong\dot=\overset{\underset{\mathrm{def}}{}}{=}\le\ll\gg\ge\equiv\not\equiv\ne\mbox{or}\neq\propto\geqq\geqslant\eqslantgtr\gtrsim\gtrapprox几何符号\Diamond\Box\triangle\angle\perp\mid\nmid\|45^\circ箭头\leftarrow(or\gets)\rightarrow(or\to)\nleftarrow\nrightarrow\leftrightarrow\nleftrightarrow\longleftarrow\longrightarrow\longleftrightarrow\Leftarrow\Rightarrow\nLeftarrow\nRightarrow\Leftrightarrow\nLeftrightarrow\Longleftarrow\Longrightarrow\Longleftrightarrow(or\iff)\uparrow\downarrow\updownarrow\Uparrow\Downarrow\Updownarrow\nearrow\searrow\swarrow\nwarrow\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特殊符号\And\eth\S\P\%\dagger\ddagger\ldots\cdots\smile\frown\wr\triangleleft\triangleright\infty\bot\top\vdash\vDash\Vdash\models\lVert\rVert\imath\hbar\ell\mho\Finv\Re\Im\wp\complement\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\varpropto\blacktriangleleft\therefore\backepsilon\blacktriangleright\because\nleqslant\nleqq\lneq\lneqq\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\nsupseteqq\varsupsetneq\supsetneqq\varsupsetneqq\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上标、下标及积分等功能语法效果上标a^2下标a_2组合a^{2+2}a_{i,j}结合上下标x_2^3前置上下标{}_1^2\!X_3^4导数（HTML）x'导数（PNG）x^\prime导数（错误）x\prime导数点\dot{x}\ddot{y}向量\vec{c}\overleftarrow{ab}\overrightarrow{cd}\widehat{efg}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決辦法）\overset{\frown}{AB}上划线\overline{hij}下划线\underline{klm}上括号\overbrace{1+2+\cdots+100}\begin{matrix}5050\\\overbrace{1+2+\cdots+100}\end{matrix}下括号\underbrace{a+b+\cdots+z}\begin{matrix}\underbrace{a+b+\cdots+z}\\26\end{matrix}求和\sum_{k=1}^Nk^2\begin{matrix}\sum_{k=1}^Nk^2\end{matrix}求积\prod_{i=1}^Nx_i\begin{matrix}\prod_{i=1}^Nx_i\end{matrix}上积\coprod_{i=1}^Nx_i\begin{matrix}\coprod_{i=1}^Nx_i\end{matrix}极限\lim_{n\to\infty}x_n