LaTeX公式小总结

希腊字母

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

有代码的大写希腊字母,直接敲获得正体,使用\var前缀转化为斜体

如:\Gamma \(\Gamma\) (正) \varGamma \(\varGamma\) (斜)

没有代码的大写希腊字母,直接敲得斜体,使用\text 命令转化为正体

如:T \(T\) 直接敲 (斜) \text T \(\text T\) (正)

也可以使用\rm将下一个单词变正,\text T的作用范围只是下一个字母;可以尝试加{}

运算

简单运算

名称 效果
+ \(+\)
- \(-\)
\pm \(\pm\)
\mp \(\mp\)
\times \(\times\)
\cdot \(\cdot\)
\div \(\div\)
\bmod \(\bmod\)
\cap \(\cap\)
\cup \(\cup\)
\wedge \land \(\land\)
\vee \lor \(\lor\)
\ast \(\ast\)
\det \(\det\)

复杂运算

名称 效果
\sqrt{abc} \(\sqrt{abc}\)
\sqrt[n]{abc} \(\sqrt[n]{abc}\)
\frac{abc}{xyz} \(\frac{abc}{xyz}\)
\int_{a}^{b} \(\int_{a}^{b}\)
\iiint_{a}^{b} \(\iiint_{a}^{b}\)
\oint_{a}^{b} \(\oint_{a}^{b}\)
\frac{\mathrm{d} y}{\mathrm{d} x} \(\frac{\mathrm{d} y}{\mathrm{d} x}\)
\frac{\mathrm{d}^{n} y}{\mathrm{d} x^{n}} \(\frac{\mathrm{d}^{n} y}{\mathrm{d} x^{n}}\)
\frac{\partial f}{\partial x} \(\frac{\partial f}{\partial x}\)
\frac{\partial ^{n} f}{\partial x^{n}} \(\frac{\partial ^{n} f}{\partial x^{n}}\)
\sum_{i=1}^{n} \(\sum_{i=1}^{n}\)
\prod_{i=1}^{n} \(\prod_{i=1}^{n}\)
\bigcap_{i=1}^{n} \(\bigcap_{i=1}^{n}\)
\bigcup_{i=1}^{n} \(\bigcup_{i=1}^{n}\)

想要让角标出现在正上和正下方,要使用\limits_{}^{}

函数

名称 效果
\arccos \(\arccos\)
\arcsin \(\arcsin\)
\arctan \(\arctan\)
\cos \(\cos\)
\cosh \(\cosh\)
\cot \(\cot\)
\lg \(\lg\)
\ln \(\ln\)
\log \(\log\)
\sin \(\sin\)
\sinh \(\sinh\)
\tan \(\tan\)
\tanh \(\tanh\)

极限运算符

名称 效果
\lim \(\lim\)
\inf \(\inf\)
\sup \(\sup\)
\min \(\min\)
\max \(\max\)

符号

一些键盘上可直接敲出的符号,前面加\即可。

如:\%\(\%\) \_\(\_\)

点缀

名称 效果
a^2 \(a^2\)
a_1 \(a_1\)
\bar{a} \(\bar{a}\)
\dot{a} \(\dot{a}\)
\ddot{a} \(\ddot{a}\)
\vec{a} \(\vec{a}\)
\hat{a} \(\hat{a}\)
\tilde{a} \(\tilde{a}\)
\mathring{a} \(\mathring{a}\)
f^{''} \(f^{''}\)
90^\circ \(90^\circ\)
\overset{\frown}\psi \(\overset{\frown}\psi\)
\overset{?}{=} \(\overset{?}{=}\)
\overset{ping}{拼}\ \overset{yin}{音} \(\overset{ping}{拼}\ \overset{yin}{音}\)
\overset{はい}{入}る \(\overset{はい}{入}る\)
\underset{t\in R}{max} \(\underset{t\in R}{max}\)

集合&逻辑运算符

名称 效果
< \(<\)
> \(>\)
\le \(\le\)
\ge \(\ge\)
\leqslant \(\leqslant\)
\geqslant \(\geqslant\)
= \(=\)
\ne \(\ne\)
: \(:\)
\in \(\in\)
\notin \(\notin\)
\ni \owns \(\ni\)
\ll \(\ll\)
\gg \(\gg\)
\sim \(\sim\)
\approx \(\approx\)
\cong \(\cong\)
\equiv \(\equiv\)
\subset \(\subset\)
\supset \(\supset\)
\subseteq \(\subseteq\)
\subsetneqq \(\subsetneqq\)

数学符号

名称 效果
\therefore \(\therefore\)
\because \(\because\)
\ell \(\ell\)
\partial \(\partial\)
\infty \(\infty\)
\varnothing \emptyset \(\emptyset\)
\forall \(\forall\)
\exists \(\exists\)
\triangle \(\triangle\)
\angle \(\angle\)
\surd \(\surd\)
\nabla \(\nabla\)
\neg \lnot \(\neg\)
\ldots \(\ldots\)
\cdots \(\cdots\)
\vdots \(\vdots\)
\ddots \(\ddots\)
\S \(\S\)
\perp \(\perp\)
\parallel \(\parallel\)
\mid \(\mid\)
\propto \(\propto\)
\left | \vec{a} \right | \(\left | \vec{a} \right |\)

Poker花色

名称 效果
\spadesuit \(\spadesuit\)
\heartsuit \(\heartsuit\)
\diamondsuit \(\diamondsuit\)
\clubsuit \(\clubsuit\)

箭头

名称 效果
\to \rightarrow \(\to\)
\leftarrow \(\leftarrow\)
\Rightarrow \(\Rightarrow\)
\Leftarrow \(\Leftarrow\)
\Longrightarrow \(\Longrightarrow\)
\Longleftarrow \(\Longleftarrow\)
\Leftrightarrow \(\Leftrightarrow\)
\iff \Longleftrightarrow \(\iff\)

包裹结构

名称 效果
\overrightarrow{AB} \(\overrightarrow{AB}\)
\overline{AB} \(\overline{AB}\)
\underline{abc} \(\underline{abc}\)
\tilde{abc} \(\tilde{abc}\)
\widetilde{abc} \(\widetilde{abc}\)
\overbrace{abc} \(\overbrace{abc}\)
\underbrace{abc} \(\underbrace{abc}\)

括号(广义上的)

普通括号

名称 效果
( ) \((\) \()\)
[ ] \([\) \(]\)
\lbrace \rbrace \(\lbrace\) \(\rbrace\)
\langle \rangle \(\langle\) \(\rangle\)

使用\left \(\right \}打出大的包裹括号. 用.代替括号可以空出来一半的括号

矩阵

名称 效果
\begin{matrix} a&b \\ c&d \end{matrix} \(\begin{matrix} a&b \\ c&d \end{matrix}\)
\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{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} \(\begin{Vmatrix} a&b \\ c&d \end{Vmatrix}\)

两侧括号也可以用 \left \right+括号 来包裹

增广矩阵

\left[
    \begin{array}{cc|c}
      1 & 2 & 3 \\
      4 & 5 & 6
    \end{array}
\right]

\[\left[ \begin{array}{cc|c} 1 & 2 & 3 \\ 4 & 5 & 6 \end{array} \right] \]

方程组

\left\{
\begin{array}{c}
    a_{11}x_1+a_{12}x_2+\cdots+a_{1n}x_n=b_1 \\
    a_{21}x_1+a_{22}x_2+\cdots+a_{2n}x_n=b_2 \\
    \vdots \\
    a_{n1}x_1+a_{n2}x_2+\cdots+a_{nn}x_n=b_n
\end{array}
\right.

\[\left\{ \begin{array}{c} a_{11}x_1+a_{12}x_2+\cdots+a_{1n}x_n=b_1 \\ a_{21}x_1+a_{22}x_2+\cdots+a_{2n}x_n=b_2 \\ \vdots \\ a_{n1}x_1+a_{n2}x_2+\cdots+a_{nn}x_n=b_n \end{array} \right. \]

文本布局

空格

\(Name\) 名称 效果
\ aa \(aa\)
interword space a\ a \(a\ a\)
1 em a\quad a \(a\quad a\)
2 em a\qquad a $a\qquad $a

紧缩

\(Name\) 名称 效果
\ aa \(aa\)
thinspace a\!a \(a\!a\)
medspcae a\negmedspace a \(a\negmedspace a\)
thickspace a\negthickspace a \(a\negthickspace a\)

字号

名称 效果
text \(text\)
\tiny text \(\tiny text\)
\small text \(\small text\)
\normalsize text \(\normalsize text\)
\large text \(\large text\)
\huge text \(\huge text\)

字体

名称 效果
\mathbf{A} \(\mathbf{A}\)
\mathcal{A} \(\mathcal{A}\)
\mathit{A} \(\mathit{A}\)
\mathrm{A} \(\mathrm{A}\)
\mathsf{A} \(\mathsf{A}\)
\mathtt{A} \(\mathtt{A}\)
\mathbb{A} \(\mathbb{A}\)
\mathfrak{A} \(\mathfrak{A}\)
\mathscr{A} \(\mathscr{A}\)
posted @ 2024-01-26 21:28  run-away  阅读(356)  评论(0)    收藏  举报