简书中的公式使用在网上搜的好多都是用图片显示,其实可以直接在文章中写的:
- 行内公式直接用
$
包围就行如$ \iint_D f(x,y)d\sigma $
,效果就是:
- 行间公式(公式在单独一行)就用
$$
(前后两个$)包围,
如$$ \iint_D f(x,y)d\sigma $$
,效果就是
下面附上一些希腊字母,公式中的特殊符号在简书中的markdown语法:
希腊字母
字母 |
语法 |
字母 |
语法 |
![A](https://math.jianshu.com/math?formula=A) |
A |
![\alpha](https://math.jianshu.com/math?formula=%5Calpha) |
\alhpa |
![B](https://math.jianshu.com/math?formula=B) |
B |
![\beta](https://math.jianshu.com/math?formula=%5Cbeta) |
\beta |
![\Gamma](https://math.jianshu.com/math?formula=%5CGamma) |
\Gamma |
![\gamma](https://math.jianshu.com/math?formula=%5Cgamma) |
\gamma |
![\Delta](https://math.jianshu.com/math?formula=%5CDelta) |
\Delta |
![\delta](https://math.jianshu.com/math?formula=%5Cdelta) |
\delta |
![E](https://math.jianshu.com/math?formula=E) |
E |
![\epsilon](https://math.jianshu.com/math?formula=%5Cepsilon) |
\epsilon |
![Z](https://math.jianshu.com/math?formula=Z) |
Z |
![\zeta](https://math.jianshu.com/math?formula=%5Czeta) |
\zeta |
![H](https://math.jianshu.com/math?formula=H) |
H |
![\eta](https://math.jianshu.com/math?formula=%5Ceta) |
\eta |
![\Theta](https://math.jianshu.com/math?formula=%5CTheta) |
\Theta |
![\theta](https://math.jianshu.com/math?formula=%5Ctheta) |
\theta |
![I](https://math.jianshu.com/math?formula=I) |
I |
![\iota](https://math.jianshu.com/math?formula=%5Ciota) |
\iota |
![K](https://math.jianshu.com/math?formula=K) |
K |
![\kappa](https://math.jianshu.com/math?formula=%5Ckappa) |
\kappa |
![\Lambda](https://math.jianshu.com/math?formula=%5CLambda) |
\Lambda |
![\lambda](https://math.jianshu.com/math?formula=%5Clambda) |
\lambda |
![M](https://math.jianshu.com/math?formula=M) |
M |
![\mu](https://math.jianshu.com/math?formula=%5Cmu) |
\mu |
![N](https://math.jianshu.com/math?formula=N) |
N |
![\nu](https://math.jianshu.com/math?formula=%5Cnu) |
\nu |
![\Xi](https://math.jianshu.com/math?formula=%5CXi) |
\Xi |
![\xi](https://math.jianshu.com/math?formula=%5Cxi) |
\xi |
![O](https://math.jianshu.com/math?formula=O) |
O |
![\omicron](https://math.jianshu.com/math?formula=%5Comicron) |
\omicron |
![\Pi](https://math.jianshu.com/math?formula=%5CPi) |
\Pi |
![\pi](https://math.jianshu.com/math?formula=%5Cpi) |
\pi |
![P](https://math.jianshu.com/math?formula=P) |
P |
![\rho](https://math.jianshu.com/math?formula=%5Crho) |
\rho |
![\Sigma](https://math.jianshu.com/math?formula=%5CSigma) |
\Sigma |
![\sigma](https://math.jianshu.com/math?formula=%5Csigma) |
\sigma |
![T](https://math.jianshu.com/math?formula=T) |
T |
![\tau](https://math.jianshu.com/math?formula=%5Ctau) |
\tau |
![\Upsilon](https://math.jianshu.com/math?formula=%5CUpsilon) |
\Upsilon |
![\upsilon](https://math.jianshu.com/math?formula=%5Cupsilon) |
\upsilon |
![\Phi](https://math.jianshu.com/math?formula=%5CPhi) |
\Phi |
![\phi](https://math.jianshu.com/math?formula=%5Cphi) |
\phi |
![X](https://math.jianshu.com/math?formula=X) |
X |
![\chi](https://math.jianshu.com/math?formula=%5Cchi) |
\chi |
![\Psi](https://math.jianshu.com/math?formula=%5CPsi) |
\Psi |
![\psi](https://math.jianshu.com/math?formula=%5Cpsi) |
\psi |
![\Omega](https://math.jianshu.com/math?formula=%5COmega) |
\Omega |
![\omega](https://math.jianshu.com/math?formula=%5Comega) |
\omega |
数学符号
运算符 |
说明 |
实例 |
代码 |
+ |
加 |
![x + y](https://math.jianshu.com/math?formula=x%20%2B%20y) |
$ x + y $ |
- |
减 |
![x - y](https://math.jianshu.com/math?formula=x%20-%20y) |
$ x - y $ |
\times |
乘 |
![x \times y](https://math.jianshu.com/math?formula=x%20%5Ctimes%20y) |
$ x \times y $ |
\cdot |
乘 |
![x \cdot y](https://math.jianshu.com/math?formula=x%20%5Ccdot%20y) |
$ x \cdot y $ |
\ast |
乘 |
![x \ast y](https://math.jianshu.com/math?formula=x%20%5Cast%20y) |
$ x \ast y $ |
\div |
除 |
![x \div y](https://math.jianshu.com/math?formula=x%20%5Cdiv%20y) |
$ x \div y $ |
\frac |
分数 |
![\frac{x}{y}](https://math.jianshu.com/math?formula=%5Cfrac%7Bx%7D%7By%7D) |
$ \frac{x}{y} $ |
^ |
上标 |
![x ^ y](https://math.jianshu.com/math?formula=x%20%5E%20y) |
$ x ^ y $ |
_ |
下标 |
![x _ y](https://math.jianshu.com/math?formula=x%20_%20y) |
$ x _ y $ |
\sqrt |
开二次方 |
![\sqrt x](https://math.jianshu.com/math?formula=%5Csqrt%20x) |
$ \sqrt x $ |
\sqrt |
开方 |
![\sqrt[x]{y^4+3y-1}](https://math.jianshu.com/math?formula=%5Csqrt%5Bx%5D%7By%5E4%2B3y-1%7D) |
$ \sqrt[x]{y^4+3y-1} $ |
\lceil 和 \rceil |
上取整 |
![\lceil\frac12\rceil](https://math.jianshu.com/math?formula=%5Clceil%5Cfrac12%5Crceil) |
$ \lceil\frac12\rceil $ |
\lfloor 和 \rfloor |
下取整 |
![\lfloor\frac12\rfloor](https://math.jianshu.com/math?formula=%5Clfloor%5Cfrac12%5Crfloor) |
$ \lfloor\frac12\rfloor $ |
\pm |
加减 |
![x \pm y](https://math.jianshu.com/math?formula=x%20%5Cpm%20y) |
$ x \pm y $ |
\mp |
减加 |
![x \mp y](https://math.jianshu.com/math?formula=x%20%5Cmp%20y) |
$ x \mp y $ |
= |
等于 |
![x = y](https://math.jianshu.com/math?formula=x%20%3D%20y) |
$ x = y $ |
\leq |
小于等于 |
![x \leq y](https://math.jianshu.com/math?formula=x%20%5Cleq%20y) |
$ x \leq y $ |
\geq |
大于等于 |
![x \geq y](https://math.jianshu.com/math?formula=x%20%5Cgeq%20y) |
$ x \geq y $ |
\ngeq |
不大于等于 |
![x \ngeq y](https://math.jianshu.com/math?formula=x%20%5Cngeq%20y) |
$ x \ngeq y $ |
\not\geq |
不大于等于 |
![x \not\geq y](https://math.jianshu.com/math?formula=x%20%5Cnot%5Cgeq%20y) |
$ x \not\geq y $ |
\neq |
不等于 |
![x \neq y](https://math.jianshu.com/math?formula=x%20%5Cneq%20y) |
$ x \neq y $ |
\approx |
约等于 |
![x \approx y](https://math.jianshu.com/math?formula=x%20%5Capprox%20y) |
$ x \approx y $ |
\equiv |
恒等于 |
![x \equiv y](https://math.jianshu.com/math?formula=x%20%5Cequiv%20y) |
$ x \equiv y $ |
\bigodot |
定义运算符 |
![x \bigodot y=x+y^2](https://math.jianshu.com/math?formula=x%20%5Cbigodot%20y%3Dx%2By%5E2) |
$ x \bigodot y=x+y^2 $ |
\bigotimes |
定义运算符 |
![x \bigotimes y=x+y^2](https://math.jianshu.com/math?formula=x%20%5Cbigotimes%20y%3Dx%2By%5E2) |
$ x \bigotimes y=x+y^2 $ |
\in |
属于 |
![x \in y](https://math.jianshu.com/math?formula=x%20%5Cin%20y) |
$ x \in y $ |
\notin |
不属于 |
![x \notin y](https://math.jianshu.com/math?formula=x%20%5Cnotin%20y) |
$ x \notin y $ |
\subset |
子集 |
![x \subset y](https://math.jianshu.com/math?formula=x%20%5Csubset%20y) |
$ x \subset y $ |
\not\subset |
非子集 |
![x \not\subset y](https://math.jianshu.com/math?formula=x%20%5Cnot%5Csubset%20y) |
$ x \not\subset y $ |
\subseteq |
子集 |
![x \subseteq y](https://math.jianshu.com/math?formula=x%20%5Csubseteq%20y) |
$ x \subseteq y $ |
\supset |
超集 |
![x \supset y](https://math.jianshu.com/math?formula=x%20%5Csupset%20y) |
$ x \supset y $ |
\supseteq |
超集 |
![x \supseteq y](https://math.jianshu.com/math?formula=x%20%5Csupseteq%20y) |
$ x \supseteq y $ |
\cup |
并 |
![x \cup y](https://math.jianshu.com/math?formula=x%20%5Ccup%20y) |
$ x \cup y $ |
\cap |
交 |
![x \cap y](https://math.jianshu.com/math?formula=x%20%5Ccap%20y) |
$ x \cap y $ |
\log |
对数 |
![\log(x)](https://math.jianshu.com/math?formula=%5Clog(x)) |
$ \log(x) $ |
\overline |
平均数 |
![\overline{x}](https://math.jianshu.com/math?formula=%5Coverline%7Bx%7D) |
$ \overline{x} $ |
\overline |
连线符号 |
![\overline{a+b+c+d}](https://math.jianshu.com/math?formula=%5Coverline%7Ba%2Bb%2Bc%2Bd%7D) |
$ \overline{a+b+c+d} $ |
\underline |
下划线 |
![\underline{a+b+c+d}](https://math.jianshu.com/math?formula=%5Cunderline%7Ba%2Bb%2Bc%2Bd%7D) |
$ \underline{a+b+c+d} $ |
\overbrace |
上大括号 |
![\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}](https://math.jianshu.com/math?formula=%5Coverbrace%7Ba%2B%5Cunderbrace%7Bb%2Bc%7D_%7B1.0%7D%2Bd%7D%5E%7B2.0%7D) |
$\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}$ |
\underbrace |
下大括号 |
![\underbrace{a+d}_3](https://math.jianshu.com/math?formula=%5Cunderbrace%7Ba%2Bd%7D_3) |
$ \underbrace{a+d}_3 $ |
\partial |
部分 |
![\frac{\partial x}{\partial y}](https://math.jianshu.com/math?formula=%5Cfrac%7B%5Cpartial%20x%7D%7B%5Cpartial%20y%7D) |
$ \frac{\partial x}{\partial y} $ |
\lim |
极限 |
![\lim_{x\to\infty}](https://math.jianshu.com/math?formula=%5Clim_%7Bx%5Cto%5Cinfty%7D) |
$ \lim_{x\to\infty} $ |
\displaystyle |
块公式格式 |
![\displaystyle \lim_{x\to\infty}](https://math.jianshu.com/math?formula=%5Cdisplaystyle%20%5Clim_%7Bx%5Cto%5Cinfty%7D) |
$ \displaystyle \lim_{x\to\infty} $ |
\sum |
求和 |
![\sum_{i=1}^n](https://math.jianshu.com/math?formula=%5Csum_%7Bi%3D1%7D%5En) |
$ \sum_{i=1}^n $ |
\infty |
极限 |
![\sum_{i=0}^\infty i^2](https://math.jianshu.com/math?formula=%5Csum_%7Bi%3D0%7D%5E%5Cinfty%20i%5E2) |
$ \sum_{i=0}^\infty i^2 $ |
\int |
积分 |
![\int_0^1 x^2 {\rm d}x](https://math.jianshu.com/math?formula=%5Cint_0%5E1%20x%5E2%20%7B%5Crm%20d%7Dx) |
$ \int_0^1 x^2 {\rm d}x $ |
\iint |
二重积分 |
![\iint_D f(x,y)d\sigma](https://math.jianshu.com/math?formula=%5Ciint_D%20f(x%2Cy)d%5Csigma) |
$ \iint_D f(x,y)d\sigma $ |
\oint |
曲面积分 |
![\oint e^{x+y} ds](https://math.jianshu.com/math?formula=%5Coint%20e%5E%7Bx%2By%7D%20ds) |
$ \oint e^{x+y} ds $ |
\ldots |
底端对齐的省略号 |
![1,2,\ldots,n](https://math.jianshu.com/math?formula=1%2C2%2C%5Cldots%2Cn) |
$ 1,2,\ldots,n $ |
\cdots |
中线对齐的省略号 |
![x_1^2 + x_2^2 + \cdots + x_n^2](https://math.jianshu.com/math?formula=x_1%5E2%20%2B%20x_2%5E2%20%2B%20%5Ccdots%20%2B%20x_n%5E2) |
$ x_1^2 + x_2^2 + \cdots + x_n^2 $ |
\uparrow |
上箭头 |
![\uparrow](https://math.jianshu.com/math?formula=%5Cuparrow) |
$ \uparrow $ |
\Uparrow |
上箭头 |
![\Uparrow](https://math.jianshu.com/math?formula=%5CUparrow) |
$ \Uparrow $ |
\vec |
向量 |
![\vec{a}](https://math.jianshu.com/math?formula=%5Cvec%7Ba%7D) |
$ \vec{a} $ |
\hat |
拟合值 |
![\hat Y = \hat \beta_0 + \hat \beta_1X](https://math.jianshu.com/math?formula=%5Chat%20Y%20%3D%20%5Chat%20%5Cbeta_0%20%2B%20%5Chat%20%5Cbeta_1X) |
$\hat Y = \hat \beta_0 + \hat \beta_1X $ |
\bot |
垂直 |
![A \bot B](https://math.jianshu.com/math?formula=A%20%5Cbot%20B) |
$ A \bot B $ |
\circ |
度 |
![45^\circ](https://math.jianshu.com/math?formula=45%5E%5Ccirc) |
$ 45^\circ $ |
\frac |
括号自适应大小 |
—— —— |
$(\frac12)$——$ \left(\frac12\right)$—— |
|
方程组 |
![\left\{\begin{array}\\y=2x^2+1\\{y=4x;}\\y-z=x; \end{array}\right.](https://math.jianshu.com/math?formula=%5Cleft%5C%7B%5Cbegin%7Barray%7D%5C%5Cy%3D2x%5E2%2B1%5C%5C%7By%3D4x%3B%7D%5C%5Cy-z%3Dx%3B%20%5Cend%7Barray%7D%5Cright.) |
$\left\{\begin{array}\\y=2x^2+1\\{y=4x;}\\y-z=x; \end{array}\right.$ |
特殊符号
描述 |
符号 |
代码 |
|
![\sideset{^1_2}{^3_4}\bigotimes](https://math.jianshu.com/math?formula=%5Csideset%7B%5E1_2%7D%7B%5E3_4%7D%5Cbigotimes) |
$\sideset{^1_2}{^3_4}\bigotimes$ |
参考文章:http://blog.csdn.net/whqet/article/details/44277965
函数、符号及特殊字符
声调
语法 |
效果 |
语法 |
效果 |
$\bar{x}$ |
![\bar{x}](https://math.jianshu.com/math?formula=%5Cbar%7Bx%7D) |
$\acute{\eta}$ |
![\acute{\eta}](https://math.jianshu.com/math?formula=%5Cacute%7B%5Ceta%7D) |
$\check{\alpha}$ |
![\check{\alpha}](https://math.jianshu.com/math?formula=%5Ccheck%7B%5Calpha%7D) |
$\grave{\eta}$ |
![\grave{\eta}](https://math.jianshu.com/math?formula=%5Cgrave%7B%5Ceta%7D) |
$\breve{a}$ |
![\breve{a}](https://math.jianshu.com/math?formula=%5Cbreve%7Ba%7D) |
$\ddot{y}$ |
![\ddot{y}](https://math.jianshu.com/math?formula=%5Cddot%7By%7D) |
$\dot{x}$ |
![\dot{x}](https://math.jianshu.com/math?formula=%5Cdot%7Bx%7D) |
$\hat{\alpha}$ |
![\hat{\alpha}](https://math.jianshu.com/math?formula=%5Chat%7B%5Calpha%7D) |
$\tilde{\iota}$ |
![\tilde{\iota}](https://math.jianshu.com/math?formula=%5Ctilde%7B%5Ciota%7D) |
函数
语法 |
效果 |
语法 |
效果 |
$\sin\theta$ |
![\sin\!\theta](https://math.jianshu.com/math?formula=%5Csin%5C!%5Ctheta) |
$\cos\theta$ |
![\cos\!\theta](https://math.jianshu.com/math?formula=%5Ccos%5C!%5Ctheta) |
$\tan\theta$ |
![\tan\!\theta](https://math.jianshu.com/math?formula=%5Ctan%5C!%5Ctheta) |
$\arcsin\frac{L}{r}$ |
![\arcsin\frac{L}{r}](https://math.jianshu.com/math?formula=%5Carcsin%5Cfrac%7BL%7D%7Br%7D) |
$\arccos\frac{T}{r}$ |
![\arccos\frac{T}{r}](https://math.jianshu.com/math?formula=%5Carccos%5Cfrac%7BT%7D%7Br%7D) |
$\arctan\frac{L}{T}$ |
![\arctan\frac{L}{T}](https://math.jianshu.com/math?formula=%5Carctan%5Cfrac%7BL%7D%7BT%7D) |
$\sinh g$ |
![\sinh\!g](https://math.jianshu.com/math?formula=%5Csinh%5C!g) |
$\cosh h$ |
![\cosh\!h](https://math.jianshu.com/math?formula=%5Ccosh%5C!h) |
$\tanh i$ |
![\tanh\!i](https://math.jianshu.com/math?formula=%5Ctanh%5C!i) |
$\operatorname{sh}j$ |
![\operatorname{sh}j](https://math.jianshu.com/math?formula=%5Coperatorname%7Bsh%7Dj) |
$\operatorname{argsh}k$ |
![\operatorname{argsh}k](https://math.jianshu.com/math?formula=%5Coperatorname%7Bargsh%7Dk) |
$\operatorname{ch}h$ |
![\operatorname{ch}h](https://math.jianshu.com/math?formula=%5Coperatorname%7Bch%7Dh) |
$\operatorname{argch}l$ |
![\operatorname{argch}l](https://math.jianshu.com/math?formula=%5Coperatorname%7Bargch%7Dl) |
$\operatorname{th}i$ |
![\operatorname{th}i](https://math.jianshu.com/math?formula=%5Coperatorname%7Bth%7Di) |
$\operatorname{argth}m$ |
![\operatorname{argth}m](https://math.jianshu.com/math?formula=%5Coperatorname%7Bargth%7Dm) |
$k'(x)=\lim_{\Delta x\to 0}\frac{k(x)-k(x-\Delta x)}{\Deltax}$ |
![k'(x)=\lim_{\Delta x\to0}\!\frac{k(x)-k(x-\Delta x)}{\Delta x}](https://math.jianshu.com/math?formula=k'(x)%3D%5Clim_%7B%5CDelta%20x%5Cto0%7D%5C!%5Cfrac%7Bk(x)-k(x-%5CDelta%20x)%7D%7B%5CDelta%20x%7D) |
$\limsup S$ |
![\limsup S](https://math.jianshu.com/math?formula=%5Climsup%20S) |
$\liminf I$ |
![\liminf I](https://math.jianshu.com/math?formula=%5Climinf%20I) |
$\max H$ |
![\max\!H](https://math.jianshu.com/math?formula=%5Cmax%5C!H) |
$\min L$ |
![\min\!L](https://math.jianshu.com/math?formula=%5Cmin%5C!L) |
$\inf s$ |
![\inf s](https://math.jianshu.com/math?formula=%5Cinf%20s) |
$\sup t$ |
![\sup t](https://math.jianshu.com/math?formula=%5Csup%20t) |
$\exp\!t$ |
![\exp\!t](https://math.jianshu.com/math?formula=%5Cexp%5C!t) |
$\ln X$ |
![\ln\!X](https://math.jianshu.com/math?formula=%5Cln%5C!X) |
$\lg X$ |
![\lg\!X](https://math.jianshu.com/math?formula=%5Clg%5C!X) |
$\log X$ |
![\log\!X](https://math.jianshu.com/math?formula=%5Clog%5C!X) |
$\log_\alpha X$ |
![\log_\alpha\!X](https://math.jianshu.com/math?formula=%5Clog_%5Calpha%5C!X) |
$\ker x$ |
![\ker x](https://math.jianshu.com/math?formula=%5Cker%20x) |
$\deg x$ |
![\deg\!x](https://math.jianshu.com/math?formula=%5Cdeg%5C!x) |
$\gcd(T,U,V,W,X)$ |
![\!\gcd(T,U,V,W,X)](https://math.jianshu.com/math?formula=%5C!%5Cgcd(T%2CU%2CV%2CW%2CX)) |
$\Pr x$ |
![\Pr x](https://math.jianshu.com/math?formula=%5CPr%20x) |
$\det x$ |
![\det\!x](https://math.jianshu.com/math?formula=%5Cdet%5C!x) |
$\hom x$ |
![\hom x](https://math.jianshu.com/math?formula=%5Chom%20x) |
$\arg x$ |
![\arg x](https://math.jianshu.com/math?formula=%5Carg%20x) |
$\dim x$ |
![\dim x](https://math.jianshu.com/math?formula=%5Cdim%20x) |
$\lim_{t\to n}T$ |
![\lim_{t\to n}T](https://math.jianshu.com/math?formula=%5Clim_%7Bt%5Cto%20n%7DT) |
同余
语法 |
效果 |
语法 |
效果 |
$\pmod {m}$ |
![\pmod {m}](https://math.jianshu.com/math?formula=%5Cpmod%20%7Bm%7D) |
$a \bmod b$ |
![a \bmod b](https://math.jianshu.com/math?formula=a%20%5Cbmod%20b) |
微分
语法 |
效果 |
语法 |
效果 |
$\nabla$ |
![\nabla](https://math.jianshu.com/math?formula=%5Cnabla) |
$\partial x$ |
![\partial x](https://math.jianshu.com/math?formula=%5Cpartial%20x) |
$\mathrm{d}x$ |
![\mathrm{d}x](https://math.jianshu.com/math?formula=%5Cmathrm%7Bd%7Dx) |
$\dot x$ |
![\dot x](https://math.jianshu.com/math?formula=%5Cdot%20x) |
$\ddot y$ |
![\ddot y](https://math.jianshu.com/math?formula=%5Cddot%20y) |
集合
语法 |
效果 |
语法 |
效果 |
$\forall$ |
![\forall](https://math.jianshu.com/math?formula=%5Cforall) |
$\exists$ |
![\exists](https://math.jianshu.com/math?formula=%5Cexists) |
$\empty$ |
![\empty](https://math.jianshu.com/math?formula=%5Cempty) |
$\emptyset$ |
![\emptyset](https://math.jianshu.com/math?formula=%5Cemptyset) |
$\varnothing$ |
![\varnothing](https://math.jianshu.com/math?formula=%5Cvarnothing) |
$\in$ |
![\in](https://math.jianshu.com/math?formula=%5Cin) |
$\ni$ |
![\ni](https://math.jianshu.com/math?formula=%5Cni) |
$\not\in$ |
![\not\in](https://math.jianshu.com/math?formula=%5Cnot%5Cin) |
$\notin$ |
![\notin](https://math.jianshu.com/math?formula=%5Cnotin) |
$\subset$ |
![\subset](https://math.jianshu.com/math?formula=%5Csubset) |
$\subseteq$ |
![\subseteq](https://math.jianshu.com/math?formula=%5Csubseteq) |
$\supset$ |
![\supset](https://math.jianshu.com/math?formula=%5Csupset) |
$\supseteq$ |
![\supseteq](https://math.jianshu.com/math?formula=%5Csupseteq) |
$\cap$ |
![\cap](https://math.jianshu.com/math?formula=%5Ccap) |
$\bigcap$ |
![\bigcap](https://math.jianshu.com/math?formula=%5Cbigcap) |
$\cup$ |
![\cup](https://math.jianshu.com/math?formula=%5Ccup) |
$\bigcup$ |
![\bigcup](https://math.jianshu.com/math?formula=%5Cbigcup) |
$\biguplus$ |
![\biguplus](https://math.jianshu.com/math?formula=%5Cbiguplus) |
$\sqsubset$ |
![\sqsubset](https://math.jianshu.com/math?formula=%5Csqsubset) |
$\sqsubseteq$ |
![\sqsubseteq](https://math.jianshu.com/math?formula=%5Csqsubseteq) |
$\sqsupset$ |
![\sqsupset](https://math.jianshu.com/math?formula=%5Csqsupset) |
$\sqsupseteq$ |
![\sqsupseteq](https://math.jianshu.com/math?formula=%5Csqsupseteq) |
$\sqcap$ |
![\sqcap](https://math.jianshu.com/math?formula=%5Csqcap) |
$\sqcup$ |
![\sqcup](https://math.jianshu.com/math?formula=%5Csqcup) |
逻辑
语法 |
效果 |
语法 |
效果 |
$p$ |
![p](https://math.jianshu.com/math?formula=p) |
$\land$ |
![\land](https://math.jianshu.com/math?formula=%5Cland) |
$\wedge$ |
![\wedge](https://math.jianshu.com/math?formula=%5Cwedge) |
$\bigwedge$ |
![\bigwedge](https://math.jianshu.com/math?formula=%5Cbigwedge) |
$\bar{q} \to p$ |
![\pagecolor{White} \bar{q} \to p](https://math.jianshu.com/math?formula=%5Cpagecolor%7BWhite%7D%20%5Cbar%7Bq%7D%20%5Cto%20p) |
$\lor$ |
![\lor](https://math.jianshu.com/math?formula=%5Clor) |
$\vee$ |
![\vee](https://math.jianshu.com/math?formula=%5Cvee) |
$\bigvee$ |
![\bigvee](https://math.jianshu.com/math?formula=%5Cbigvee) |
$\lnot$ |
![\lnot](https://math.jianshu.com/math?formula=%5Clnot) |
$\neg q$ |
![\neg q](https://math.jianshu.com/math?formula=%5Cneg%20q) |
$\setminus$ |
![\setminus](https://math.jianshu.com/math?formula=%5Csetminus) |
$\smallsetminus$ |
![\smallsetminus](https://math.jianshu.com/math?formula=%5Csmallsetminus) |
根号
语法 |
效果 |
语法 |
效果 |
$\sqrt{2}$ |
![\sqrt{2}](https://math.jianshu.com/math?formula=%5Csqrt%7B2%7D) |
$\sqrt[2]{5}$ |
![\sqrt[2]{5}](https://math.jianshu.com/math?formula=%5Csqrt%5B2%5D%7B5%7D) |
关系符号
语法 |
效果 |
语法 |
效果 |
$\Delta ABC\sim\Delta XYZ$ |
![\Delta ABC\sim\Delta XYZ\!](https://math.jianshu.com/math?formula=%5CDelta%20ABC%5Csim%5CDelta%20XYZ%5C!) |
$\sqrt{3}\approx1.732050808\ldots$ |
![\sqrt{3}\approx1.732050808\ldots](https://math.jianshu.com/math?formula=%5Csqrt%7B3%7D%5Capprox1.732050808%5Cldots) |
$\simeq$ |
![\simeq](https://math.jianshu.com/math?formula=%5Csimeq) |
$\cong$ |
![\cong](https://math.jianshu.com/math?formula=%5Ccong) |
$\dot=$ |
![\dot=](https://math.jianshu.com/math?formula=%5Cdot%3D) |
$\ggg$ |
![\ggg](https://math.jianshu.com/math?formula=%5Cggg) |
$\gg$ |
![\gg](https://math.jianshu.com/math?formula=%5Cgg) |
$>$ |
![>\,](https://math.jianshu.com/math?formula=%3E%5C%2C) |
$\ge$ |
![\ge](https://math.jianshu.com/math?formula=%5Cge) |
$\geqq$ |
![\geqq](https://math.jianshu.com/math?formula=%5Cgeqq) |
$=$ |
![=\,](https://math.jianshu.com/math?formula=%3D%5C%2C) |
$\leq$ |
![\leq](https://math.jianshu.com/math?formula=%5Cleq) |
$\leqq$ |
![\leqq](https://math.jianshu.com/math?formula=%5Cleqq) |
$<$ |
![<\,](https://math.jianshu.com/math?formula=%3C%5C%2C) |
$\ll$ |
![\ll](https://math.jianshu.com/math?formula=%5Cll) |
$\lll$ |
![\lll](https://math.jianshu.com/math?formula=%5Clll) |
$(x-y)^2\equiv(-x+y)^2\equiv x^2-2xy+y^2$ |
![(x-y)^2\equiv(-x+y)^2\equiv x^2-2xy+y^2](https://math.jianshu.com/math?formula=(x-y)%5E2%5Cequiv(-x%2By)%5E2%5Cequiv%20x%5E2-2xy%2By%5E2) |
$x\not\equiv N$ |
![x\not\equiv N](https://math.jianshu.com/math?formula=x%5Cnot%5Cequiv%20N) |
$x\ne A$ |
![x\ne A](https://math.jianshu.com/math?formula=x%5Cne%20A) |
$x\neq C$ |
![x\neq C](https://math.jianshu.com/math?formula=x%5Cneq%20C) |
$t\propto v$ |
![t\propto v](https://math.jianshu.com/math?formula=t%5Cpropto%20v) |
$\pm$ |
![\pm](https://math.jianshu.com/math?formula=%5Cpm) |
几何符号
特征 |
语法 |
效果 |
菱形 |
$\Diamond$ |
![\Diamond](https://math.jianshu.com/math?formula=%5CDiamond) |
正方形 |
$\Box$ |
![\Box](https://math.jianshu.com/math?formula=%5CBox) |
Delta |
$\Delta$ |
![\Delta](https://math.jianshu.com/math?formula=%5CDelta) |
三角图形 |
$\triangle$ |
![\triangle](https://math.jianshu.com/math?formula=%5Ctriangle) |
角名 |
$\angle\Alpha\Beta\Gamma$ |
![\angle\Alpha\Beta\Gamma](https://math.jianshu.com/math?formula=%5Cangle%5CAlpha%5CBeta%5CGamma) |
角度 |
$\sin \frac{\pi}{3}=\sin60^\circ=\frac{\sqrt{3}}{2}$ |
![\sin \frac{\pi}{3}=\sin60^\circ=\frac{\sqrt{3}}{2}](https://math.jianshu.com/math?formula=%5Csin%20%5Cfrac%7B%5Cpi%7D%7B3%7D%3D%5Csin60%5E%5Ccirc%3D%5Cfrac%7B%5Csqrt%7B3%7D%7D%7B2%7D) |
垂直 |
$\perp$ |
![\perp](https://math.jianshu.com/math?formula=%5Cperp) |
箭头符号
语法 |
效果 |
语法 |
效果 |
$\leftarrow$ |
![\leftarrow](https://math.jianshu.com/math?formula=%5Cleftarrow) |
$\gets$ |
![\gets](https://math.jianshu.com/math?formula=%5Cgets) |
$\rightarrow$ |
![\rightarrow](https://math.jianshu.com/math?formula=%5Crightarrow) |
$\to$ |
![\to](https://math.jianshu.com/math?formula=%5Cto) |
$\leftrightarrow$ |
![\leftrightarrow](https://math.jianshu.com/math?formula=%5Cleftrightarrow) |
$\longleftarrow$ |
![\longleftarrow](https://math.jianshu.com/math?formula=%5Clongleftarrow) |
$\longrightarrow$ |
![\longrightarrow](https://math.jianshu.com/math?formula=%5Clongrightarrow) |
$\mapsto$ |
![\mapsto](https://math.jianshu.com/math?formula=%5Cmapsto) |
$\longmapsto$ |
![\longmapsto](https://math.jianshu.com/math?formula=%5Clongmapsto) |
$\hookrightarrow$ |
![\hookrightarrow](https://math.jianshu.com/math?formula=%5Chookrightarrow) |
$\hookleftarrow$ |
![\hookleftarrow](https://math.jianshu.com/math?formula=%5Chookleftarrow) |
$\nearrow$ |
![\nearrow](https://math.jianshu.com/math?formula=%5Cnearrow) |
$\searrow$ |
![\searrow](https://math.jianshu.com/math?formula=%5Csearrow) |
$\swarrow$ |
![\swarrow](https://math.jianshu.com/math?formula=%5Cswarrow) |
$\nwarrow$ |
![\nwarrow](https://math.jianshu.com/math?formula=%5Cnwarrow) |
$\uparrow$ |
![\uparrow](https://math.jianshu.com/math?formula=%5Cuparrow) |
$\downarrow$ |
![\downarrow](https://math.jianshu.com/math?formula=%5Cdownarrow) |
$\updownarrow$ |
![\updownarrow](https://math.jianshu.com/math?formula=%5Cupdownarrow) |
$\rightharpoonup$ |
![\rightharpoonup](https://math.jianshu.com/math?formula=%5Crightharpoonup) |
$\rightharpoondown$ |
![\rightharpoondown](https://math.jianshu.com/math?formula=%5Crightharpoondown) |
$\leftharpoonup$ |
![\leftharpoonup](https://math.jianshu.com/math?formula=%5Cleftharpoonup) |
$\leftharpoondown$ |
![\leftharpoondown](https://math.jianshu.com/math?formula=%5Cleftharpoondown) |
$\upharpoonleft$ |
![\upharpoonleft](https://math.jianshu.com/math?formula=%5Cupharpoonleft) |
$\upharpoonright$ |
![\upharpoonright](https://math.jianshu.com/math?formula=%5Cupharpoonright) |
$\Leftarrow$ |
![\Leftarrow](https://math.jianshu.com/math?formula=%5CLeftarrow) |
$\Rightarrow$ |
![\Rightarrow](https://math.jianshu.com/math?formula=%5CRightarrow) |
$\Leftrightarrow$ |
![\Leftrightarrow](https://math.jianshu.com/math?formula=%5CLeftrightarrow) |
$\Longleftarrow$ |
![\Longleftarrow](https://math.jianshu.com/math?formula=%5CLongleftarrow) |
$\Longrightarrow$ |
![\Longrightarrow](https://math.jianshu.com/math?formula=%5CLongrightarrow) |
$\Longleftrightarrow (or \iff)$ |
![\Longleftrightarrow](https://math.jianshu.com/math?formula=%5CLongleftrightarrow) |
$\Uparrow$ |
![\Uparrow](https://math.jianshu.com/math?formula=%5CUparrow) |
$\Downarrow$ |
![\Downarrow](https://math.jianshu.com/math?formula=%5CDownarrow) |
$\Updownarrow$ |
![\Updownarrow](https://math.jianshu.com/math?formula=%5CUpdownarrow) |
特殊符号
语法 |
效果 |
语法 |
效果 |
$\eth$ |
![\eth](https://math.jianshu.com/math?formula=%5Ceth) |
$\S$ |
![\S](https://math.jianshu.com/math?formula=%5CS) |
$\%$ |
![\%](https://math.jianshu.com/math?formula=%5C%25) |
$\dagger$ |
![\dagger](https://math.jianshu.com/math?formula=%5Cdagger) |
$\ddagger$ |
![\ddagger](https://math.jianshu.com/math?formula=%5Cddagger) |
$\star$ |
![\star](https://math.jianshu.com/math?formula=%5Cstar) |
$*$ |
![*](https://math.jianshu.com/math?formula=*) |
$\ldots$ |
![\ldots](https://math.jianshu.com/math?formula=%5Cldots) |
$\smile$ |
![\smile](https://math.jianshu.com/math?formula=%5Csmile) |
$\frown$ |
![\frown](https://math.jianshu.com/math?formula=%5Cfrown) |
$\wr$ |
![\wr](https://math.jianshu.com/math?formula=%5Cwr) |
$\oplus$ |
![\oplus](https://math.jianshu.com/math?formula=%5Coplus) |
$\bigoplus$ |
![\bigoplus](https://math.jianshu.com/math?formula=%5Cbigoplus) |
$\otimes$ |
![\otimes](https://math.jianshu.com/math?formula=%5Cotimes) |
$\bigotimes$ |
![\bigotimes](https://math.jianshu.com/math?formula=%5Cbigotimes) |
$\times$ |
![\times](https://math.jianshu.com/math?formula=%5Ctimes) |
$\cdot$ |
![\cdot](https://math.jianshu.com/math?formula=%5Ccdot) |
$\div$ |
![\div](https://math.jianshu.com/math?formula=%5Cdiv) |
$\circ$ |
![\circ](https://math.jianshu.com/math?formula=%5Ccirc) |
$\bullet$ |
![\bullet](https://math.jianshu.com/math?formula=%5Cbullet) |
$\bigodot$ |
![\bigodot](https://math.jianshu.com/math?formula=%5Cbigodot) |
$\boxtimes$ |
![\boxtimes](https://math.jianshu.com/math?formula=%5Cboxtimes) |
$\boxplus$ |
![\boxplus](https://math.jianshu.com/math?formula=%5Cboxplus) |
$\triangleleft$ |
![\triangleleft](https://math.jianshu.com/math?formula=%5Ctriangleleft) |
$\triangleright$ |
![\triangleright](https://math.jianshu.com/math?formula=%5Ctriangleright) |
$\infty$ |
![\infty](https://math.jianshu.com/math?formula=%5Cinfty) |
$\bot$ |
![\bot](https://math.jianshu.com/math?formula=%5Cbot) |
$\top$ |
![\top](https://math.jianshu.com/math?formula=%5Ctop) |
$\vdash$ |
![\vdash](https://math.jianshu.com/math?formula=%5Cvdash) |
$\vDash$ |
![\vDash](https://math.jianshu.com/math?formula=%5CvDash) |
$\Vdash$ |
![\Vdash](https://math.jianshu.com/math?formula=%5CVdash) |
$\models$ |
![\models](https://math.jianshu.com/math?formula=%5Cmodels) |
$\lVert$ |
![\lVert](https://math.jianshu.com/math?formula=%5ClVert) |
$\rVert$ |
![\rVert](https://math.jianshu.com/math?formula=%5CrVert) |
$\imath$ |
![\imath](https://math.jianshu.com/math?formula=%5Cimath) |
$\hbar$ |
![\hbar](https://math.jianshu.com/math?formula=%5Chbar) |
$\ell$ |
![\ell](https://math.jianshu.com/math?formula=%5Cell) |
$\mho$ |
![\mho](https://math.jianshu.com/math?formula=%5Cmho) |
$\Finv$ |
![\Finv](https://math.jianshu.com/math?formula=%5CFinv) |
$\Re$ |
![\Re](https://math.jianshu.com/math?formula=%5CRe) |
$\Im$ |
![\Im](https://math.jianshu.com/math?formula=%5CIm) |
$\wp$ |
![\wp](https://math.jianshu.com/math?formula=%5Cwp) |
$\complement$ |
![\complement](https://math.jianshu.com/math?formula=%5Ccomplement) |
$\diamondsuit$ |
![\diamondsuit](https://math.jianshu.com/math?formula=%5Cdiamondsuit) |
$\heartsuit$ |
![\heartsuit](https://math.jianshu.com/math?formula=%5Cheartsuit) |
$\clubsuit$ |
![\clubsuit](https://math.jianshu.com/math?formula=%5Cclubsuit) |
$\spadesuit$ |
![\spadesuit](https://math.jianshu.com/math?formula=%5Cspadesuit) |
$\Game$ |
![\Game](https://math.jianshu.com/math?formula=%5CGame) |
$\flat$ |
![\flat](https://math.jianshu.com/math?formula=%5Cflat) |
$\natural$ |
![\natural](https://math.jianshu.com/math?formula=%5Cnatural) |
$\sharp$ |
![\sharp](https://math.jianshu.com/math?formula=%5Csharp) |
上标、下标、积分等
功能 |
语法 |
效果 |
上标 |
$a^2$ |
![a^2](https://math.jianshu.com/math?formula=a%5E2) |
下标 |
$a_2$ |
![a_2](https://math.jianshu.com/math?formula=a_2) |
组合 |
$a^{2+2}$ |
![a^{2+2}](https://math.jianshu.com/math?formula=a%5E%7B2%2B2%7D) |
组合 |
$a_{i,j}$ |
![a_{i,j}](https://math.jianshu.com/math?formula=a_%7Bi%2Cj%7D) |
结合上下标 |
$x_2^3$ |
![x_2^3](https://math.jianshu.com/math?formula=x_2%5E3) |
前置上下标 |
${}_1^2\!X_3^4$ |
![{}_1^2\!X_3^4](https://math.jianshu.com/math?formula=%7B%7D_1%5E2%5C!X_3%5E4) |
导数 |
$x'$ |
![x'](https://math.jianshu.com/math?formula=x') |
导数点1 |
$\dot{x}$ |
![\dot{x}](https://math.jianshu.com/math?formula=%5Cdot%7Bx%7D) |
导数点2 |
$\ddot{y}$ |
![\ddot{y}](https://math.jianshu.com/math?formula=%5Cddot%7By%7D) |
向量1 |
$\vec{c}$ |
![\vec{c}](https://math.jianshu.com/math?formula=%5Cvec%7Bc%7D) |
向量2 |
$\overleftarrow{a b}$ |
![\overleftarrow{a b}](https://math.jianshu.com/math?formula=%5Coverleftarrow%7Ba%20b%7D) |
向量3 |
$\overrightarrow{c d}$ |
![\overrightarrow{c d}](https://math.jianshu.com/math?formula=%5Coverrightarrow%7Bc%20d%7D) |
向量4 |
$\widehat{e f g}$ |
![\widehat{e f g}](https://math.jianshu.com/math?formula=%5Cwidehat%7Be%20f%20g%7D) |
上弧(注: 正确应该用 \overarc, 但在这里行不通。要用建议的语法作为解决办法) |
$\overset{\frown} {AB}$ |
![\overset{\frown} {AB}](https://math.jianshu.com/math?formula=%5Coverset%7B%5Cfrown%7D%20%7BAB%7D) |
上划线1 |
$\overline{h i j}$ |
![\overline{h i j}](https://math.jianshu.com/math?formula=%5Coverline%7Bh%20i%20j%7D) |
下划线2 |
$\underline{k l m}$ |
![\underline{k l m}](https://math.jianshu.com/math?formula=%5Cunderline%7Bk%20l%20m%7D) |
上括号1 |
$\overbrace{1+2+\cdots+100}$ |
![\overbrace{1+2+\cdots+100}](https://math.jianshu.com/math?formula=%5Coverbrace%7B1%2B2%2B%5Ccdots%2B100%7D) |
上括号2 |
$\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 }\end{matrix}$ |
![\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 }\end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%205050%20%5C%5C%20%5Coverbrace%7B%201%2B2%2B%5Ccdots%2B100%20%7D%5Cend%7Bmatrix%7D) |
下括号1 |
$\underbrace{a+b+\cdots+z}$ |
![\underbrace{a+b+\cdots+z}](https://math.jianshu.com/math?formula=%5Cunderbrace%7Ba%2Bb%2B%5Ccdots%2Bz%7D) |
下括号2 |
$\begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26\end{matrix}$ |
![\begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26\end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Cunderbrace%7B%20a%2Bb%2B%5Ccdots%2Bz%20%7D%20%5C%5C%2026%5Cend%7Bmatrix%7D) |
求和 1 |
$\sum_{k=1}^N k^2$ |
![\sum_{k=1}^N k^2](https://math.jianshu.com/math?formula=%5Csum_%7Bk%3D1%7D%5EN%20k%5E2) |
求和 2 |
$\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}$ |
![\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Csum_%7Bk%3D1%7D%5EN%20k%5E2%20%5Cend%7Bmatrix%7D) |
求积 1 |
$\prod_{i=1}^N x_i$ |
![\prod_{i=1}^N x_i](https://math.jianshu.com/math?formula=%5Cprod_%7Bi%3D1%7D%5EN%20x_i) |
求积 2 |
$\begin{matrix} \prod_{i=1}^N x_i \end{matrix}$ |
![\begin{matrix} \prod_{i=1}^N x_i \end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Cprod_%7Bi%3D1%7D%5EN%20x_i%20%5Cend%7Bmatrix%7D) |
上积 1 |
$\coprod_{i=1}^N x_i$ |
![\coprod_{i=1}^N x_i](https://math.jianshu.com/math?formula=%5Ccoprod_%7Bi%3D1%7D%5EN%20x_i) |
上积 2 |
$\begin{matrix} \coprod_{i=1}^N x_i\end{matrix}$ |
![\begin{matrix} \coprod_{i=1}^N x_i\end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Ccoprod_%7Bi%3D1%7D%5EN%20x_i%5Cend%7Bmatrix%7D) |
极限 1 |
$\lim_{n \to \infty}x_n$ |
![\lim_{n \to \infty}x_n](https://math.jianshu.com/math?formula=%5Clim_%7Bn%20%5Cto%20%5Cinfty%7Dx_n) |
极限 2 |
$\begin{matrix} \lim_{n \to \infty}x_n\end{matrix}$ |
![\begin{matrix} \lim_{n \to \infty}x_n\end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Clim_%7Bn%20%5Cto%20%5Cinfty%7Dx_n%5Cend%7Bmatrix%7D) |
积分 1 |
$\int_{-N}^{N} e^x\, dx$ |
![\int_{-N}^{N} e^x\, dx](https://math.jianshu.com/math?formula=%5Cint_%7B-N%7D%5E%7BN%7D%20e%5Ex%5C%2C%20dx) |
积分 2 |
$\begin{matrix} \int_{-N}^{N} e^x\, dx\end{matrix}$ |
![\begin{matrix} \int_{-N}^{N} e^x\, dx\end{matrix}](https://math.jianshu.com/math?formula=%5Cbegin%7Bmatrix%7D%20%5Cint_%7B-N%7D%5E%7BN%7D%20e%5Ex%5C%2C%20dx%5Cend%7Bmatrix%7D) |
双重积分 |
$\iint_{D}^{W} \, dx\,dy$ |
![\iint_{D}^{W} \, dx\,dy](https://math.jianshu.com/math?formula=%5Ciint_%7BD%7D%5E%7BW%7D%20%5C%2C%20dx%5C%2Cdy) |
三重积分 |
$\iiint_{E}^{V} \, dx\,dy\,dz$ |
![\iiint_{E}^{V} \, dx\,dy\,dz](https://math.jianshu.com/math?formula=%5Ciiint_%7BE%7D%5E%7BV%7D%20%5C%2C%20dx%5C%2Cdy%5C%2Cdz) |
四重积分 |
$\iiiint_{F}^{U} \, dx\,dy\,dz\,dt$ |
![\iiiint_{F}^{U} \, dx\,dy\,dz\,dt](https://math.jianshu.com/math?formula=%5Ciiiint_%7BF%7D%5E%7BU%7D%20%5C%2C%20dx%5C%2Cdy%5C%2Cdz%5C%2Cdt) |
闭合的曲线、曲面积分 |
$\oint_{C} x^3\, dx + 4y^2\, dy$ |
![\oint_{C} x^3\, dx + 4y^2\, dy](https://math.jianshu.com/math?formula=%5Coint_%7BC%7D%20x%5E3%5C%2C%20dx%20%2B%204y%5E2%5C%2C%20dy) |
交集 |
$\bigcap_1^{n} p$ |
![\bigcap_1^{n} p](https://math.jianshu.com/math?formula=%5Cbigcap_1%5E%7Bn%7D%20p) |
并集 |
$\bigcup_1^{k} p$ |
![\bigcup_1^{k} p](https://math.jianshu.com/math?formula=%5Cbigcup_1%5E%7Bk%7D%20p) |
空格
功能 |
语法 |
显示 |
宽度 |
2个quad空格 |
$\alpha\qquad\beta$ |
![\alpha\qquad\beta](https://math.jianshu.com/math?formula=%5Calpha%5Cqquad%5Cbeta) |
![2m\](https://math.jianshu.com/math?formula=2m%5C) |
quad空格 |
$\alpha\quad\beta$ |
![\alpha\quad\beta](https://math.jianshu.com/math?formula=%5Calpha%5Cquad%5Cbeta) |
![m\](https://math.jianshu.com/math?formula=m%5C) |
大空格 |
$\alpha\ \beta$ |
![\alpha\ \beta](https://math.jianshu.com/math?formula=%5Calpha%5C%20%5Cbeta) |
![\frac{m}{3}](https://math.jianshu.com/math?formula=%5Cfrac%7Bm%7D%7B3%7D) |
中等空格 |
$\alpha\;\beta$ |
![\alpha\;\beta](https://math.jianshu.com/math?formula=%5Calpha%5C%3B%5Cbeta) |
![\frac{2m}{7}](https://math.jianshu.com/math?formula=%5Cfrac%7B2m%7D%7B7%7D) |
小空格 |
$\alpha\,\beta$ |
![\alpha\,\beta](https://math.jianshu.com/math?formula=%5Calpha%5C%2C%5Cbeta) |
![\frac{m}{6}](https://math.jianshu.com/math?formula=%5Cfrac%7Bm%7D%7B6%7D) |
没有空格 |
$\alpha\beta$ |
![\alpha\beta](https://math.jianshu.com/math?formula=%5Calpha%5Cbeta) |
![0\](https://math.jianshu.com/math?formula=0%5C) |
紧贴 |
$\alpha\!\beta$ |
![\alpha\!\beta](https://math.jianshu.com/math?formula=%5Calpha%5C!%5Cbeta) |
![-\frac{m}{6}](https://math.jianshu.com/math?formula=-%5Cfrac%7Bm%7D%7B6%7D) |
参考文章:https://blog.csdn.net/garfielder007/article/details/51646604