| 向量 |
(abc)\vec <space><space> |
a
b
c
→
\overrightarrow{abc}
abc
|
|
(abc)\hat <space><space> |
a
b
c
~
\widetilde{abc}
abc
|
| 带框公式 |
\rect(a/b)<space> |
a
b
\boxed{\frac{a}{b}}%\boxed加框
ba |
| 小括号 |
(a+b/c)<space> |
(
a
+
b
c
)
\left(a+\frac{b}{c}\right)
(a+cb) |
| 大括号 |
{a+b/c} <space> |
{
a
+
b
c
}
\left\{a+\frac{b}{c}\right\}
{a+cb} |
| 带分隔符的括号 |
{a/b\vbar <space>x+y\vbar <space>\vbar}<space> |
{
a
b
∣
x
+
y
∣
∣
}
\left\{\frac{a}{b} \lvert x+y\rvert \mid\right\}
{ba∣x+y∣∣} |
| 分数 |
a/(b+c)<space> |
a
b
+
c
\frac{a}{b+c}
b+ca |
| LeftSubSup |
_a^b<space>x<space> |
a
b
x
{ }_{a}^{b} x
abx |
| 限制 |
lim_(n->\infty)<space>n |
lim
n
→
∞
n
\lim _{n \rightarrow \infty} n
limn→∞n |
| 矩阵 |
(\matrix(a&b@&c&d))<space> |
(
a
b
c
d
)
\left(\begin{array}{ccc}a & b & \\ & c & d\end{array}\right)
(abcd) |
| N 元 |
\iint_(a=0)^\infty <space><space>a |
∬
a
=
0
∞
a
\iint_{a=0}^{\infty} a
∬a=0∞a |
| 顶线/底线 |
\overbar(abc)<space>or \underbar(abc)<space> |
a
b
c
‾
\overline{a b c}
abc/
a
b
c
‾
\underline{a b c}
abc |
| 上括号 |
\overbrace(a+b)<space> |
a
+
b
⏞
\overbrace{a+b}
a+b
|