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@Spancymath 2017-08-16T20:27:06.000000Z 字数 10210 阅读 1162

markdown公式输入

列表项

Markdown

分数、上标、下标、方根、求和、积分

分数， 

  1. 分数$\dfrac{2}{3}$，$\tfrac{2}{3}$   
  2. \begin{eqnarray*}
  3.     \dfrac{1}{\sqrt 2 +
  4.     \dfrac{1}{\sqrt 2 +
  5.     \dfrac{1}{\sqrt 2 + \dotsb}}}\; 
  6.     \tfrac{1}{\sqrt 2 +
  7.     \tfrac{1}{\sqrt 2 + 
  8.     \tfrac{1}{\sqrt 2 + \cdots}}}\; 
  9.     \frac{1}{\sqrt 2 +
  10.     \frac{1}{\sqrt 2 +
  11.     \frac{1}{\sqrt 2 + \cdots}}}
  12. \end{eqnarray*}

上标、上标

上标

  1. 上标$A^2$、$A^{上标}$  
  2.     $$A^2 \; A^{上标} \; \mathop{A}\limits^2$$

下标、下标

下标

  1. 下标$A_2$、$A_{下标}$ 
  2.     $$A_2 \; A_{下标}\; \mathop{A}\limits_2$$

开方数开方数参数

开方数参数

  1. 开方数$\sqrt[开方数]{参数}$
  2.      $$\sqrt[开方数]{参数}$$

求和


求和自适应大小

  1. 求和$\sum$
  2.      $$\sum ^2_3\;\sum \nolimits^2_3$$

积分 

  1. 积分$\int$
  2.      $$\int ^2_3\;\int \limits^2_3$$

行内公式

  1. $R^s_r(t_r,t_e)=(t_r-t_e)c$

行间公式

  1. $$R^s_r(t_r,t_e)=(t_r-t_e)c$$

带有编号的显示公式

  1.  \begin{equation}
  2. 	R^s_r(t_r,t_e)=(t_r-t_e)c
  3. \end{equation}

带有编号的多行公式

  1. \begin{eqnarray}
  2. &&R^s_r(t_r,t_e)=(t_r-t_e)c \\
  3. &&R^s_r(t_r,t_e)=t_rc \\
  4. &&R^s_r(t_r,t_e)=c \\
  5. &&c=0
  6. \end{eqnarray}

带有编号的多行公式

  1. \begin{align}
  2. &&R^s_r(t_r,t_e)=(t_r-t_e)c \\
  3. &&R^s_r(t_r,t_e)=t_rc \\
  4. &&R^s_r(t_r,t_e)=c \\
  5. &&c=0
  6. \end{align}

不带编号的多行公式

  1. \begin{align*}
  2. &R^s_r(t_r,t_e)=(t_r-t_e)c \\
  3. &R^s_r(t_r,t_e)=t_rc \\
  4. &R^s_r(t_r,t_e)=c \\
  5. &c=0
  6. \end{align*}

带有指定编号的多行公式

  1. \begin{eqnarray}
  2. 	R^s_r(t_r,t_e)=(t_r-t_e)c \\
  3.         R^s_r(t_r,t_e)=(t_r-t_e)c \nonumber\\
  4.         R^s_r(t_r,t_e)=(t_r-t_e)c
  5. \end{eqnarray}

不带编号的多行公式

）

  1. \begin{eqnarray*}
  2.         R^s_r(t_r,t_e)=(t_r-t_e)c \\
  3.         R^s_r(t_r,t_e)=(t_r-t_e)c \\
  4.         R^s_r(t_r,t_e)=(t_r-t_e)c
  5. \end{eqnarray*}

指定对齐方式的多行公式

  1. \begin{eqnarray}
  2. 	&R^s_r(t_r,t_e)&=(t_r-t_e)c \\
  3.         R^s_r(t_r,t_e)&=&(t_r-t_e)c \\
  4.         R^s_r(t_r,t_e)=&(t_r-t_e)c&
  5. \end{eqnarray}

输入矩阵

  1. \begin{matrix}
  2.     0 & 1 \\
  3.     1 & 0
  4. \end{matrix}

  1. \begin{pmatrix} 
  2.     0 & -i \\
  3.     i & 0 
  4. \end{pmatrix}

  1. \begin{bmatrix}
  2.     0 & -1 \\
  3.     1 & 0
  4. \end{bmatrix}

  1. \begin{Bmatrix}
  2.     1 & 0 \\
  3.     0 & -1
  4. \end{Bmatrix}

  1. \begin{vmatrix} 
  2.     a & b \\ 
  3.     c & d 
  4. \end{vmatrix}

  1. \begin{Vmatrix} 
  2.     i & 0 \\
  3.      0 & -i
  4. \end{Vmatrix}

数学符号

操作符号
  1. \pm \mp \times  \div    \ast    \star   \circ   \bullet \divideontimes  \ltimes \rtimes \cdot   \dotplus    \leftthreetimes \rightthreetimes    \amalg  \otimes \oplus  \ominus \oslash \odot   \circledcirc    \circleddash    \circledast \bigcirc    \boxdot \boxminus   \boxplus \boxtimes  \diamond    \bigtriangleup  \bigtriangledown    \triangleleft   \triangleright  \lhd    \rhd    \unlhd  \unrhd  \cup    \cap    \uplus  \Cup    \Cap    \wr \setminus   \smallsetminus  \sqcap  \sqcup  \wedge  \vee    \barwedge   \veebar \doublebarwedge \curlywedge \curlyvee   \dagger \ddagger    \intercal   \bigcap \bigcup \biguplus   \bigsqcup   \prod   \coprod \bigwedge   \bigvee \bigodot    \bigoplus   \bigotimes  \sum    \int    \oint   \iint   \iiint  \iiiint \idotsint   \arccos \arcsin \arctan \arg    \cos    \cosh   \cot    \coth   \csc    \deg    \det \dim   \exp    \gcd    \hom    \inf    \ker    \lg \lim    \liminf \limsup \ln \log    \max    \min    \Pr \projlim    \sec\sin\sinh   \sup    \tan    \tanh   \varlimsup  \varliminf  \varinjlim  \varprojlim

   

关系符号
  1. \bowtie \Join   \propto \varpropto  \multimap   \pitchfork  \therefore  \because    =   \neq    \equiv  \approx \sim    \simeq  \backsimeq  \approxeq   \cong   \ncong      \smile  \frown  \asymp  \smallfrown \smallsmile \between    \prec   \succ   \nprec  \nsucc  \preceq \succeq \npreceq    \nsucceq    \preccurlyeq    \succcurlyeq    \curlyeqprec    \curlyeqsucc    \precsim    \succsim    \precnsim   \succnsim   \precapprox \succapprox \precnapprox    \succnapprox    \perp   \vdash  \dashv  \nvdash \Vdash  \Vvdash \models \vDash  \nvDash \nVDash \mid    \nmid   \parallel   \nparallel  \shortmid   \nshortmid  \shortparallel  \nshortparallel <   >   \nless  \ngtr   \lessdot    \gtrdot \ll \gg \lll    \ggg    \leq    \geq    \lneq   \gneq   \nleq   \ngeq   \leqq   \geqq   \lneqq  \gneqq  \lvertneqq  \gvertneqq  \nleqq  \ngeqq  \leqslant   \geqslant   \nleqslant  \ngeqslant  \eqslantless    \eqslantgtr \lessgtr    \gtrless    \lesseqgtr  \gtreqless  \lesseqqgtr \gtreqqless \lesssim    \gtrsim \lnsim  \gnsim  \lessapprox \gtrapprox  \lnapprox   \gnapprox   \vartriangleleft    \vartriangleright   \ntriangleleft  \ntriangleright \trianglelefteq \trianglerighteq    \ntrianglelefteq    \ntrianglerighteq   \blacktriangleleft  \blacktriangleright \subset \supset \subseteq   \supseteq   \subsetneq  \supsetneq  \varsubsetneq   \varsupsetneq   \nsubseteq  \nsupseteq  \subseteqq  \supseteqq  \subsetneqq \supsetneqq \nsubseteqq \nsupseteqq \backepsilon    \Subset \Supset \sqsubset   \sqsupset   \sqsubseteq \sqsupseteq

箭头符号
  1. \leftarrow  \leftrightarrow \rightarrow \mapsto \longleftarrow      \longleftrightarrow \longrightarrow \longmapsto \downarrow  \updownarrow    \uparrow    \nwarrow        \searrow    \nearrow    \swarrow        \nleftarrow         \nleftrightarrow        \nrightarrow        \hookleftarrow      \hookrightarrow     \twoheadleftarrow       \twoheadrightarrow      \leftarrowtail      \rightarrowtail     \Leftarrow      \Leftrightarrow     \Rightarrow     \Longleftarrow      \Longleftrightarrow     \Longrightarrow         \Updownarrow        \Uparrow        \Downarrow      \nLeftarrow     \nLeftrightarrow    \nRightarrow        \leftleftarrows     \leftrightarrows        \rightleftarrows        \rightrightarrows       \downdownarrows     \upuparrows     \circlearrowleft        \circlearrowright       \curvearrowleft     \curvearrowright        \Lsh        \Rsh        \looparrowleft      \looparrowright     \dashleftarrow      \dashrightarrow     \leftrightsquigarrow        \rightsquigarrow        \Lleftarrow     \leftharpoondown        \rightharpoondown       \leftharpoonup      \rightharpoonup     \rightleftharpoons      \leftrightharpoons      \downharpoonleft        \upharpoonleft      \downharpoonright           \upharpoonright

分隔符
  1. \downarrow  \Downarrow  \langle \rangle [ ] | \| \lceil \rceil \uparrow \Uparrow    \lfloor     \rfloor \updownarrow    \Updownarrow    (       )   \{  \} \backslash   \lmoustache     \rmoustache \lgroup \rgroup \arrowvert  \Arrowvert  \bracevert  \lvert  \rvert  \lVert      \rVert  \ulcorner   \urcorner \llcorner \lrcorner

希腊字符
  1. \alpha  \beta       \gamma  \delta  \epsilon    \zeta   \eta    \theta  \vartheta   \iota   \kappa  \lambda \mu \nu \xi o   \pi \varpi  \rho    \varrho \sigma  \varsigma   \tau    \upsilon    \phi    \varphi \chi    \psi    \omega  A   B   \Gamma  \varGamma   \Delta  \varDelta   E   Z   H   \Theta  \varTheta   I   K   \Lambda \varLambda  M   N   \Xi \varXi  O   \Pi \varPi  P   \Sigma      \Upsilon    \varUpsilon \Phi    \varPhi X   \varPsi \Omega  \varOmega

参考图片
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