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admin · 2024 年8 月 1 日 11:25

2024-07-31T16:00:00Z

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脚注 (Footnotes)

A sentence that needs a footnote. ^[1]
Another sentence that needs a footnote. ^[2]

块引用 (Blockquotes)

这是第一段
一二三四五

这是第二段

嵌套块引用

有序列表 (Ordered Lists)

第一项
第二项
第三项
1. 缩进项
2. 缩进项
第四项

无序列表 (Unordered Lists)

第一项
第二项
第三项
- 缩进项
- 缩进项
第四项

清单 (Checklists)

unchecked box
checked box (no fill)
checked box (with fill)

表格 (Tables)

列标题	列标题	列标题
单元格	单元格	单元格
单元格	单元格	单元格

图片 (Images)

数学 (MathJax / LaTeX)

1. Rendering mode

Inline mode:
```
$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$
```
This formula: \sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6} is rendered inline.
Display mode:
```
$$
\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}
$$
```
\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}

2. Superscripts and subscripts

Superscripts:
```
$a^2 + b^2 = c^2$
```
a^2 + b^2 = c^2
```
${x^y}^z$
```
{x^y}^z

Subscripts:

$log_2(xy) = log_2(x) + log_2(y)$

log_2(xy) = log_2(x) + log_2(y)

$x_i^2$ ${x_i}^2$

x_i^2 {x_i}^2

Prime symbol:

$(\sin x)^\prime = \cos x$

(\sin x)^\prime = \cos x

$x^\prime$ $x^{\prime\prime}$ $x^{\prime\prime\prime}$

x^\prime x^{\prime\prime} x^{\prime\prime\prime}

3. Parentheses

```
$A = \{1, 2, 3, 4, 5\}$
```
A = \{1, 2, 3, 4, 5\}

$(\frac{\sqrt x}{y^3})$ $\left(\frac{\sqrt x}{y^3}\right)$

(\frac{\sqrt x}{y^3}) \left(\frac{\sqrt x}{y^3}\right)

```
$\left.x^2\right\rvert_3^5 = 5^2-3^2$
```
\left.x^2\right\rvert_3^5 = 5^2-3^2

4. Fractions

$\frac ab$ $\frac{a+1}{b+1}$ ${a+1\over b+1}$

\frac ab \frac{a+1}{b+1} {a+1\over b+1}

$x=a_0+\frac{1^2}{a_1+\frac{2^2}{a_2+\frac{3^2}{a_3+\frac{4^2}{a_4+...}}}}$

x=a_0+\frac{1^2}{a_1+\frac{2^2}{a_2+\frac{3^2}{a_3+\frac{4^2}{a_4+...}}}}

$x=a_0+\cfrac{1^2}{a_1+\cfrac{2^2}{a_2+\cfrac{3^2}{a_3+\cfrac{4^2}{a_4+...}}}}$

x=a_0+\cfrac{1^2}{a_1+\cfrac{2^2}{a_2+\cfrac{3^2}{a_3+\cfrac{4^2}{a_4+...}}}}

5. Radical signs / roots

```
$\sqrt{x^3}$
```
\sqrt{x^3}
```
$\sqrt[3]{\frac xy}$
```
\sqrt[3]{\frac xy}

6. Special functions

```
$\operatorname{foo}(x)$
```
\operatorname{foo}(x)
```
$$
\lim_{x\to 0}
$$
```
\lim_{x\to 0}

7. Sums and integrals

```
$$
\sum_{i=0}^\infty i^2
$$
```
\sum_{i=0}^\infty i^2
\prod \prod, \int \int, \bigcup \bigcup, \bigcap \bigcap, \iint \iint, \iiint \iiint, \idotsint \idotsint

8. Spaces

```
$a b$, $a\ b$, $a\quad b$, $a\qquad b$
```
a b, a\ b, a\quad b, a\qquad b

9. Matrices

Plain:
```
$$
\begin{matrix}
1 & 2 & 3\\
a & b & c
\end{matrix}
$$
```
\begin{matrix} 1 & 2 & 3\\ a & b & c \end{matrix}
Parentheses:
```
$$
\begin{pmatrix}
1 & 2 & 3\\
a & b & c
\end{pmatrix}
$$
```
\begin{pmatrix} 1 & 2 & 3\\ a & b & c \end{pmatrix}
Brackets:
```
$$
\begin{bmatrix}
1 & 2 & 3\\
a & b & c
\end{bmatrix}
$$
```
\begin{bmatrix} 1 & 2 & 3\\ a & b & c \end{bmatrix}
Braces:
```
$$
\begin{Bmatrix}
1 & 2 & 3\\
a & b & c
\end{Bmatrix}
$$
```
\begin{Bmatrix} 1 & 2 & 3\\ a & b & c \end{Bmatrix}
Pipes:
```
$$
\begin{vmatrix}
1 & 2 & 3\\
a & b & c
\end{vmatrix}
$$
```
\begin{vmatrix} 1 & 2 & 3\\ a & b & c \end{vmatrix}
Double pipes:
```
$$
\begin{Vmatrix}
1 & 2 & 3\\
a & b & c
\end{Vmatrix}
$$
```
\begin{Vmatrix} 1 & 2 & 3\\ a & b & c \end{Vmatrix}

10. Fonts

Use \mathbb or \Bbb for “blackboard bold”: \mathbb {CHNQRZ}.
Use \mathbf for boldface: \mathbf {CHNQRZ\ chnqrz}.
- For expression based characters, use \boldsymbol instead: \mathbf α
Use \mathit for italics: \mathit {CHNQRZ\ chnqrz}.
Use \pmb for boldfaced italics: \pmb {CHNQRZ\ chnqrz}.
Use \mathtt for “typewriter” font: \mathtt {CHNQRZ\ chnqrz}.
Use \mathrm for roman font: \mathrm {CHNQRZ\ chnqrz}.
Use \mathsf for sans-serif font: \mathsf {CHNQRZ\ chnqrz}.
Use \mathcal for “calligraphic” letters: \mathcal {CHNQRZ\ chnqrz}.
Use \mathscr for script letters: \mathscr {CHNQRZ\ chnqrz}.
Use \mathfrak for “Fraktur” (old German style) letters: \mathfrak {CHNQRZ\ chnqrz}.

11. Greek letters and math symbols

Greek letters


\alpha A	`\alpha` `A`	\nu N	`\nu` `N`
\beta B	`\beta` `B`	\xi \Xi	`\xi` `\Xi`
\gamma \Gamma	`\gamma` `\Gamma`	o O	`o` `O`
\delta \Delta	`\delta` `\Delta`	\pi \Pi	`\pi` `\Pi`
\epsilon \varepsilon E	`\epsilon` `\varepsilon` `E`	\rho \varrho P	`\rho` `\varrho` `P`
\zeta Z	`\zeta` `Z`	\sigma \Sigma	`\sigma` `\Sigma`
\eta H	`\eta` `H`	\tau T	`\tau` `T`
\theta \vartheta \Theta	`\theta` `\vartheta` `\Theta`	\upsilon \Upsilon	`\upsilon` `\Upsilon`
\iota I	`\iota` `I`	\phi \varphi \Phi	`\phi` `\varphi` `\Phi`
\kappa K	`\kappa` `K`	\chi X	`\chi` `X`
\lambda \Lambda	`\lambda` `\Lambda`	\psi \Psi	`\psi` `\Psi`
\mu M	`\mu` `M`	\omega \Omega	`\omega` `\Omega`

Arrows


\leftarrow	`\leftarrow`	\Leftarrow	`\Leftarrow`
\rightarrow	`\rightarrow`	\Rightarrow	`\Rightarrow`
\leftrightarrow	`\leftrightarrow`	\rightleftharpoons	`\rightleftharpoons`
\uparrow	`\uparrow`	\downarrow	`\downarrow`
\Uparrow	`\Uparrow`	\Downarrow	`\Downarrow`
\Leftrightarrow	`\Leftrightarrow`	\Updownarrow	`\Updownarrow`
\mapsto	`\mapsto`	\longmapsto	`\longmapsto`
\nearrow	`\nearrow`	\searrow	`\searrow`
\swarrow	`\swarrow`	\nwarrow	`\nwarrow`
\leftharpoonup	`\leftharpoonup`	\rightharpoonup	`\rightharpoonup`
\leftharpoondown	`\leftharpoondown`	\rightharpoondown	`\rightharpoondown`

Miscellaneous symbols


\infty	`\infty`	\forall	`\forall`
\Re	`\Re`	\Im	`\Im`
\nabla	`\nabla`	\exists	`\exists`
\partial	`\partial`	\nexists	`\nexists`
\emptyset	`\emptyset`	\varnothing	`\varnothing`
\wp	`\wp`	\complement	`\complement`
\neg	`\neg`	\cdots	`\cdots`
\square	`\square`	\surd	`\surd`
\blacksquare	`\blacksquare`	\triangle	`\triangle`

Binary Operation/Relation Symbols


\times	`\times`	\cdot	`\cdot`
\div	`\div`	\cap	`\cap`
\cup	`\cup`	\neq	`\neq`
\leq	`\leq`	\geq	`\geq`
\in	`\in`	\perp	`\perp`
\notin	`\notin`	\subset	`\subset`
\simeq	`\simeq`	\approx	`\approx`
\wedge	`\wedge`	\vee	`\vee`
\oplus	`\oplus`	\otimes	`\otimes`
\Box	`\Box`	\boxtimes	`\boxtimes`
\equiv	`\equiv`	\cong	`\cong`

代码块 (Code Blocks)

#include <stdio.h>
int main()
{
	printf("hello");
	return 0;
}

The footnote ↩︎
The second footnote ↩︎