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#笔记/markdown
1 希腊字母
| \(\alpha\) |
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\(\xi\) |
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| \(\beta\) |
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\(\pi\) |
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| \(\gamma\) |
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\(\rho\) |
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| \(\delta\) |
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\(\sigma\) |
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| \(\epsilon\) |
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\(\tau\) |
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| \(\zeta\) |
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\(\upsilon\) |
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| \(\eta\) |
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\(\phi\) |
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| \(\theta\) |
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\(\chi\) |
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| \(\iota\) |
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\(\psi\) |
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| \(\kappa\) |
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\(\omega\) |
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| \(\lambda\) |
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\(\nu\) |
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| \(\mu\) |
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| \(\Gamma\) |
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\(\Sigma\) |
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| \(\Delta\) |
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\(\Upsilon\) |
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| \(\Theta\) |
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\(\Phi\) |
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| \(\Lambda\) |
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\(\Psi\) |
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| \(\Xi\) |
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\(\Omega\) |
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| \(\Pi\) |
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2 常用符号
2.1 关系表达式
| \(\notin\) |
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\(\ne\) |
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| \(\in\) |
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\(\approx\) |
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| \(\sim\) |
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| \(\le\) |
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\(\ge\) |
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| \(\subset\) |
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\(\supset\) |
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| \(\subseteq\) |
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\(\supseteq\) |
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2.2 运算符
| \(\cdot\) |
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\(\div\) |
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| \(\times\) |
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\(\setminus\) |
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| \(\cup\) |
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\(\cap\) |
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| \(\vee\) |
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\(\wedge\) |
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| \(\oplus\) |
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\(\ominus\) |
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| \(\odot\) |
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\(\pm\) |
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| \(\star\) |
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\(\bullet\) |
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| \(\ast\) |
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\(\diamond\) |
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| \(\circ\) |
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\(\to\) |
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2.3 空格
| 两个 quad 空格 |
a b |
\(a \qquad b\) |
| quad 空格 |
a b |
\(a \quad b\) |
| 大空格 |
a b |
\(a\ b\) |
| 中空格 |
a;b |
\(a\;b\) |
| 小空格 |
a,b |
\(a\,b\) |
| 紧贴 |
a!b |
\(a\!b\) |
2.4 其它符号
| \(\hat{a}\) |
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\(\infty\) |
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| \(\overline{a}\) |
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\(\propto\) |
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| \(\widetilde{a}\) |
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\(\intercal\) |
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| \(\vec{a}\) |
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3 常用格式
| 上标 |
{abc}^{2} |
\({abc}^{2}\) |
| 下标 |
{abc}_1 |
\({abc}_1\) |
| 分数 |
|
\(\frac{x}{y}\) |
| 开根号 |
[y]{x} |
\(\sqrt[y]{x}\) |
| 省略号 1 |
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\(\ldots\) |
| 省略号 2 |
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\(\cdots\) |
| 偏导 |
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\(\partial\) |
| 组合 |
{zn } |
\({n \choose 2}\) |
4 复杂格式
4.1 求和
\[
\sum_{k=1}^nk
\] ### 4.2 连乘
\[
\prod_{k=1}^nk
\] ### 4.3 积分
\[
\int_0^{+\infty}x
\] ### 4.4 极限
\[
\lim_{x \to 0}
\] ## 5 多行
begin/end/双斜线换行
5.1 对齐
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| $$
\begin{align}
a & = b + c
\ \\
& = d + e
\end{align}
$$
|
\[
\begin{align}
a & = b + c
\ \\
& = d + e
\end{align}
\] ### 5.2 矩阵和行列式
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| $$
A=\left[ \begin{matrix}
a & b \\
c & d \\
\end{matrix} \right]
$$
|
\[
A=\left[ \begin{matrix}
a & b \\
c & d \\
\end{matrix} \right]
\]
5.3 左对齐
使用 aligned 实现对齐，使用&符号设定对齐位置
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| $$ \begin{aligned}
& y_2 = 2x^2-1 \\
& y_3 = 4x^3-3x \\
& ... \\
& y_n = 2x*y_{n-1}-y_{n-2}
\end{aligned}
$$
|
\[
\begin{aligned}
& y_2 = 2x^2-1 \\
& y_3 = 4x^3-3x \\
& ... \\
& y_n = 2x*y_{n-1}-y_{n-2}
\end{aligned}
\] ## 6 参考
王半仙笔记:LaTex快速入门
Latex常用数学符号输入方法
插件github地址
