空白 |
x \ y |
x y |
|
x \quad y |
xy |
|
x \qquad y |
xy |
转义 |
{a,b,c}\neq\{a,b,c\} |
a,b,c̸={a,b,c} |
下标 |
C_{1} |
C1 |
|
{C_1} |
C1 |
|
C_{m,n} |
Cm,n |
|
C_{m_{n}} |
Cmn |
上标 |
x^{2} |
x2 |
|
x^{2^{3}} |
x23 |
符号 |
\cdot |
⋅ |
|
\cdots |
⋯ |
|
\ldots \ \vdots \ \ddots |
… ⋮ ⋱ |
|
y' |
y′ |
|
y'' |
y′′ |
|
\widetilde a |
a |
|
\widehat a |
a |
|
\in |
∈ |
|
\notin |
∈/ |
|
\mathbf{R} |
R |
|
\mathbb{R} |
R |
|
\big(\Big(\bigg(\Bigg( |
(((( |
|
\big[\Big[\bigg[\Bigg[ |
[[[[ |
|
\big|\Big|\bigg|\Bigg| |
∥∥∥∥∥∥∥∥∥∥∥∥∥∥ |
运算符 |
=,\neq |
=,̸= |
|
\geq,\leq,>,< |
≥,≤,>,< |
|
\sqrt{x} |
x |
|
\sqrt[3]{x} |
3x |
|
\surd[x] |
√[x] |
分数 |
\sin\alpha=\frac{a}{c} |
sinα=ca |
水平线 |
\overline{m+n} |
m+n |
|
\underline{m+n} |
m+n |
水平括号 |
\overbrace{{a_1}+{a_2}+\cdots+{a_n}}_{n} |
a1+a2+⋯+ann |
|
\underbrace{{a_1}+{a_2}+\cdots+{a_n}}_{n} |
na1+a2+⋯+an |
向量 |
\overrightarrow{AB} |
AB |
|
\overleftarrow{BA} |
BA |
二项系数 |
n \choose m |
(mn) |
|
n \atop m |
mn |
前缀 |
{\int_{0}}^{\frac{\pi}{2}} |
∫02π |
|
\sum_{i=1}^{n} |
∑i=1n |
|
\prod_\epsilon |
∏ϵ |
希腊字母 |
\lambda |
λ |
|
\xi |
ξ |
|
\pi |
π |
|
\mu |
μ |
|
\phi |
ϕ |
|
\omega |
ω |
|
\alpha |
α |
|
\beta |
β |
|
\gamma |
γ |
|
\delta |
δ |
数学函数 |
\sin,\cos,\tan,\csc,\det,\cot |
sin,cos,tan,csc,det,cot |
|
\arcsin,\arccos,\arctan |
arcsin,arccos,arctan |
|
\sinh,\cosh,\tanh |
sinh,cosh,tanh |
|
\deg,\arg,\dim,\sup |
deg,arg,dim,sup |
|
\exp,\ker,\min,\max,\gcd,\lg,\ln,\log |
exp,ker,min,max,gcd,lg,ln,log |
|
\inf,\liminf,\limsup |
inf,liminf,limsup |
|
\lim_{x \rightarrow 0}\sin x |
limx→0sinx |