grammar

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数学公式

$\frac{7x+5}{1+y^2}$
$\frac{7x+5}{1+y^2}$

$2^{32}-1$
$2^{32}-1$

$z=z_l$
$z=z_l$

$\cdots$
$\cdots$

$\frac{d}{dx}e^{ax}=ae^{ax}\quad \sum_{i=1}^{n}{(X_i - \overline{X})^2}$
$\frac{d}{dx}e^{ax}=ae^{ax}\quad \sum_{i=1}^{n}{(X_i - \overline{X})^2}$

$\sqrt{2};\sqrt[n]{3}$
$\sqrt{2};\sqrt[n]{3}$

$\vec{a} \cdot \vec{b}=0$
$\vec{a} \cdot \vec{b}=0$

$\int ^2_3 x^2 {\rm d}x$
$\int ^2_3 x^2 {\rm d}x$

$\iint$
$\iint$

$\iiint$
$\iiint$

$\oint$
$\oint$

$\mathrm{d}$
$\mathrm{d}$

$\prime$
$\prime$

$\lim$
$\lim$

$\infty$
$\infty$

$\partial$
$\partial$

$\left.\frac{\partial f(x,y)}{\partial x}\right$
$\left.\frac{\partial f(x,y)}{\partial x}\right$

$\sum$
$\sum$

$\lim_{n\rightarrow+\infty} n$
$\lim_{n\rightarrow+\infty} n$

$\sum \frac{1}{i^2}$
$\sum \frac{1}{i^2}$

$\prod \frac{1}{i^2}$
$\prod \frac{1}{i^2}$

$$e^{i\theta}=cos\theta+\sin\theta i\tag{1}$$
$$e^{i\theta}=cos\theta+\sin\theta i\tag{1}$$

$$
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9
\end{matrix} \tag{1}
$$

$$
\begin{matrix}
1 & 2 & 3
4 & 5 & 6
7 & 8 & 9
\end{matrix}
$$

$$
\left[
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9
\end{matrix} \right]\tag{2}
$$

$$
\left[
\begin{matrix}
1 & 2 & 3 \
4 & 5 & 6 \
7 & 8 & 9
\end{matrix} \right]\tag{2}
$$

方程组

$$\begin{cases}
a_1x+b_1y+c_1z=d_1\\
a_2x+b_2y+c_2z=d_2\\
a_3x+b_3y+c_3z=d_3\\
\end{cases}
$$

$$\begin{cases}
a_1x+b_1y+c_1z=d_1\
a_2x+b_2y+c_2z=d_2\
a_3x+b_3y+c_3z=d_3\
\end{cases}
$$

katax

$$E=mc^2$$

Inline 行内的公式 $$E=mc^2$$ 行内的公式，行内的$$E=mc^2$$公式。

$$c = \pm\sqrt{a^2 + b^2}$$

$$x > y$$

$$f(x) = x^2$$

$$\alpha = \sqrt{1-e^2}$$

$$(\sqrt{3x-1}+(1+x)^2)$$

$$\sin(\alpha)^{\theta}=\sum_{i=0}^{n}(x^i + \cos(f))$$

$$\dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$

$$f(x) = \int_{-\infty}^\infty\hat f(\xi),e^{2 \pi i \xi x},d\xi$$

$$\displaystyle \frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} } } }$$

$$\displaystyle \left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$

$$a^2$$

$$a^{2+2}$$

$$a_2$$

$${x_2}^3$$

$$x_2^3$$

$$10^{10^{8}}$$

$$a_{i,j}$$

$$_nP_k$$

$$c = \pm\sqrt{a^2 + b^2}$$

$$\frac{1}{2}=0.5$$

$$\dfrac{k}{k-1} = 0.5$$

$$\dbinom{n}{k} \binom{n}{k}$$

$$\oint_C x^3, dx + 4y^2, dy$$

$$\bigcap_1^n p \bigcup_1^k p$$

$$e^{i \pi} + 1 = 0$$

$$\left ( \frac{1}{2} \right )$$

$$x_{1,2}=\frac{-b\pm\sqrt{\color{Red}b^2-4ac}}{2a}$$

$${\color{Blue}x^2}+{\color{YellowOrange}2x}-{\color{OliveGreen}1}$$

$$\textstyle \sum_{k=1}^N k^2$$

$$\dfrac{ \tfrac{1}{2}[1-(\tfrac{1}{2})^n] }{ 1-\tfrac{1}{2} } = s_n$$

$$\binom{n}{k}$$

$$0+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+\cdots$$

$$\sum_{k=1}^N k^2$$

$$\textstyle \sum_{k=1}^N k^2$$

$$\prod_{i=1}^N x_i$$

$$\textstyle \prod_{i=1}^N x_i$$

$$\coprod_{i=1}^N x_i$$

$$\textstyle \coprod_{i=1}^N x_i$$

$$\int_{1}^{3}\frac{e^3/x}{x^2}, dx$$

$$\int_C x^3, dx + 4y^2, dy$$

$${}_1^2!\Omega_3^4$$

多行公式 Multi line

```math or ```latex or ```katex

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f(x) = \int_{-\infty}^\infty
    \hat f(\xi)\,e^{2 \pi i \xi x}
    \,d\xi

\displaystyle
\left( \sum\_{k=1}^n a\_k b\_k \right)^2
\leq
\left( \sum\_{k=1}^n a\_k^2 \right)
\left( \sum\_{k=1}^n b\_k^2 \right)

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\dfrac{
    \tfrac{1}{2}[1-(\tfrac{1}{2})^n] }
    { 1-\tfrac{1}{2} } = s_n

\displaystyle
    \frac{1}{
        \Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{
        \frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {
        1+\frac{e^{-6\pi}}
        {1+\frac{e^{-8\pi}}
         {1+\cdots} }
        }
    }

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f(x) = \int_{-\infty}^\infty
    \hat f(\xi)\,e^{2 \pi i \xi x}
    \,d\xi

https://blog.csdn.net/jyfu2_12/article/details/79207643
https://pandao.github.io/editor.md/examples/katex.html
https://blog.csdn.net/lvsehaiyang1993/article/details/82832290

特殊符号代替

｜

语法

防火墙设置命令图

**防火墙设置命令图**

1	{% label primary@theme config file %}

theme config file theme config file theme config file theme config file theme config file theme config file

next/_config.yml

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# Allow to cache content generation. Introduced in NexT v6.0.0.
cache:
  enable: true

{% tabs github-banner %}
<!-- tab <code>permalink</code> -->
`permalink` → is the specified link must have full url path.
<!-- endtab -->

<!-- tab <code>title</code> -->
`title` → is the title and aria-label name.
<!-- endtab -->
{% endtabs %}

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{% note danger %}
Only works on webkit based browsers.
{% endnote %}

Only works on webkit based browsers.

content

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