【笔记】KaTeX

Accents

$$a'$$	a'	$$\tilde{a}$$	\tilde{a}	$$\mathring{g}$$	\mathring{g}
$$a''$$	a''	$$\widetilde{ac}$$	\widetilde{ac}	$$\color{purple}{\texttt{UKE}}$$	\overgroup{AB}
$$a^{\prime}$$	a^{\prime}	$$\color{purple}{\texttt{UKE}}$$	\utilde{AB}	$$\color{purple}{\texttt{UKE}}$$	\undergroup{AB}
$$\acute{a}$$	\acute{a}	$$\vec{F}$$	\vec{F}	$$\color{purple}{\texttt{UKE}}$$	\Overrightarrow{AB}
$$\bar{y}$$	\bar{y}	$$\overleftarrow{AB}$$	\overleftarrow{AB}	$$\overrightarrow{AB}$$	\overrightarrow{AB}
$$\breve{y}$$	\breve{y}	$$\underleftarrow{AB}$$	\underleftarrow{AB}	$$\underrightarrow{AB}$$	\underrightarrow{AB}
$$\check{a}$$	\check{a}	$$\color{purple}{\texttt{UKE}}$$	\overleftharpoon{ac}	$$\color{purple}{\texttt{UKE}}$$	\overrightharpoon{ac}
$$\dot{a}$$	\dot{a}	$$\overleftrightarrow{AB}$$	\overleftrightarrow{AB}	$$\overbrace{AB}$$	\overbrace{AB}
$$\ddot{a}$$	\ddot{a}	$$\underleftrightarrow{AB}$$	\underleftrightarrow{AB}	$$\underbrace{AB}$$	\underbrace{AB}
$$\grave{a}$$	\grave{a}	$$\overline{AB}$$	\overline{AB}	$$\color{purple}{\texttt{UKE}}$$	\overlinesegment{AB}
$$\hat{\theta}$$	\hat{\theta}	$$\underline{AB}$$	\underline{AB}	$$\color{purple}{\texttt{UKE}}$$	\underlinesegment{AB}
$$\widehat{ac}$$	\widehat{ac}	$$\color{purple}{\texttt{UKE}}$$	\widecheck{ac}		\underbar{X}(WA)

Accents functions inside \text

$$\text{'{a}}$$	\'{a}	$$\text{~{a}}$$	\~{a}	$$\text{.{a}}$$	\.{a}	$$\text{\H{a}}$$	\H{a}
$$\text{`{a}}$$	$$\color{purple}{\texttt{UKE}}$$	$$\text{={a}}$$	\={a}	$$\text{''{a}}$$	\''{a}	$$\text{\v{a}}$$	\v{a}
$$\text{^{a}}$$	\^{a}	$$\text{\u{a}}$$	\u{a}	$$\text{\r{a}}$$	\r{a}

Delimiters

一些括号。

$$()$$	( )	$$\color{purple}{\texttt{UKE}}$$	\lparen \rparen	$$⌈⌉$$	⌈ ⌉	$$\lceil\rceil$$	\lceil \rceil
$$[]$$	[ ]	$$\lbrack\rbrack$$	\lbrack \rbrack	$$⌊⌋$$	⌊ ⌋	$$\lfloor\rfloor$$	\lfloor \rfloor
$$\{\}$$	\{ \}	$$\lbrace\rbrace$$	\lbrace \rbrace	$$⎰⎱$$	⎰ ⎱	$$\lmoustache\rmoustache$$	\lmoustache \rmoustache
$$⟨⟩$$	⟨ ⟩	$$\langle\rangle$$	\langle \rangle	$$⟮⟯$$	⟮ ⟯	$$\lgroup\rgroup$$	\lgroup \rgroup
$$|$$	\|	$$\vert$$	\vert	$$┌┐$$	┌ ┐	$$\ulcorner\urcorner$$	\ulcorner \urcorner
$$|$$	\\|	$$\Vert$$	\Vert	$$└┘$$	└ ┘	$$\llcorner\lrcorner$$	\llcorner \lrcorner
$$\lvert\rvert$$	\lvert \rvert	$$\lVert\rVert$$	\lVert \rVert	$$\ $$	\left.	$$ $$	\right.
$$\color{purple}{\texttt{UKE}}$$	\lang \rang	$$\lt\gt$$	\lt \gt	$$\color{purple}{\texttt{UKE}}$$	$$\color{purple}{\texttt{UKE}}$$	$$\color{purple}{\texttt{UKE}}$$	\llbracket \rrbracket
$$\uparrow$$	\uparrow	$$\downarrow$$	\downarrow	$$\Uparrow$$	\updownarrow	$$\Downarrow$$	\Downarrow
$$\updownarrow$$	\Downarrow	$$\Updownarrow$$	\Updownarrow	$$\backslash$$	\backslash	$$\color{purple}{\texttt{UKE}}$$	\lBrace \rBrace

最后两种括号没办法在 \(\texttt{cnblogs}\) 上实现，不过您可以尝试：

\({[\;\!}\llap{[}{]\;\!}\llap{]}\) | {[\;\!}\llap{[} {]\;\!}\llap{]}

和

\({\{\,}\llap{\{}{\}\,}\llap{\}}\) | {\{\,}\llap{\{} {\}\,}\llap{\}}

Delimiter Sizing

\(\left(\LARGE{AB}\right)\) | \left(\LARGE{AB}\right)

\(( \big( \Big( \bigg( \Bigg(\) | ( \big( \Big( \bigg( \Bigg(

\left	\big	\bigl	\bigm	\bigr
\middle	\Big	\Bigl	\Bigm	\Bigr
\right	\bigg	\biggl	\biggm	\biggr
	\Bigg	\Biggl	\Biggm	\Biggr

Environments

\(\begin{matrix}a&b\\ c&d\end{matrix}\)	\begin{matrix} a & b \\ c & d \end{matrix}	\(\begin{array}{cc}a&b\\c&d\end{array}\)	\begin{array}{cc} a & b \\ c & d \end{array}
\(\begin{pmatrix}a&b\\c&d\end{pmatrix}\)	\begin{pmatrix} a & b \\ c & d \end{pmatrix}	\(\begin{bmatrix}a&b\\c&d\end{bmatrix}\)	\begin{bmatrix} a & b \\ c & d \end{bmatrix}
\(\begin{vmatrix}a&b\\c&d\end{vmatrix}\)	\begin{vmatrix} a & b \\ c & d \end{vmatrix}	\(\begin{Vmatrix}a&b\\c&d\end{Vmatrix}\)	\begin{Vmatrix} a & b \\ c & d \end{Vmatrix}
\(\begin{Bmatrix}a&b\\c&d\end{Bmatrix}\)	\begin{Bmatrix} a & b \\ c & d \end{Bmatrix}	\(\def\arraystrecth{1.5}\begin{array}{c:c:c}a&b&c\\ \hline d&e&f\\\hdashline g&h&i\end{array}\)	\def\arraystretch{1.5} \begin{array}{c:c:c} a & b & c \\ \hline d & e & f \\ \hdashline g & h & i \end{array}
\(x=\begin{cases}a &\text{if }b\\c &\text{if }d\end{cases}\)	x = \begin{cases} a &\text{if }b \\ c &\text{if }d \end{cases}	$$\color{purple}{\texttt{UKE}}$$	\begin{rcases} a &\text{if }b \\ c &\text{if }d \end{rcases} ⇒ ...
\(\begin{smallmatrix}a&b\\c&d\end{smallmatrix}\)	\begin{smallmatrix} a & b \\ c & d \end{smallmatrix}	\(\sum_{\begin{subarray}{l}i\in\Lambda\\ 0<j<n\end{subarray}}\)	\sum_{ \begin{subarray}{l} i\in\Lambda\\ 0<j<n \end{subarray}}

display-mode only

\[\begin{equation}\begin{split}a&=b+c\\&=e+f\end{split}\end{equation} \]

\begin{equation}
	\begin{split}
	a &= b + c \\ 
	  &= e + f
	\end{split}
\end{equation}

\[\begin{align}a&=b+c\\&=e+f\end{align} \]

\begin{align}
	a &= b + c \\
	  &= e + f
\end{align}

\[\begin{gather}a=b\\e=b+c\end{gather} \]

\begin{gather}
	a = b \\ 
	e = b + c 
\end{gather}

\[\begin{alignat}{2}10&x+&3&y=2\\3&x+&13&y=4\end{alignat} \]

\begin{alignat}{2}
	10&x+&3&y=2 \\ 
	3&x+&13&y=4
\end{alignat}

\[\begin{CD}A@>a>>B\\@VbVV@AAcA\\C@=D\end{CD} \]

\begin{CD}
	A @>a>> B \\ 
	@VbVV @AAcA \\ 
	C @= D
\end{CD}

Other KaTeX Environments