LaTeX积累

LaTeX积累

目的：用于书写数学公式

• \(\sin\theta\)

\sin \theta

• \(\cos \alpha\)

\cos \alpha

• \(\tan \beta\)

\tan \beta

• \(a^2+b^2=c^2\)

a^2+b^2=c^2

• \(H_2O\)

$H_2O$

• \(a^{100}\),\(a^100\)

a^{100},a^100

• \(\sum\)
• \(\sum_{i=1}^{10}\)
• \(\sum\limits_{i=1}^{10}\)

\sum
\sum_{i=1}^{10}
\sum\limits_{i=1}^{10}

• \(\prod\)
• \(\prod\limits_{i=1}^{10}\)

\prod
\prod\limits_{i=1}^{10}

• \(\sqrt{x}\)

\sqrt{x}

• \(\dfrac{1}{2}\)

\dfrac{1}{2}

• \(\vec{12}\)
• \(\vec{\dfrac{1}{2}}\)

\vec{12}
\vec{\dfrac{1}{2}}

• \(\lim\)
• \(\lim\limits_{n\to+\infty}\)
• \(\lim\limits_{n\to\infty}\)
• \(\lim\limits_{n\to3}\)

\lim
\lim\limits_{n\to+\infty}
\lim\limits_{n\to\infty}
\lim\limits_{n\to3}

• \(\int\)
• \(\int\limits_0^nf(x)dx\)
• \(\int_0^nf(x)dx\)

\int
\int\limits_0^nf(x)dx
\int_0^nf(x)dx

• \(\overline{x}\)

\overline{x}

• \(A\quad B\)

A\quad B

• \[函数名=\begin{cases}公式1 & 条件1 \\公式2 & 条件2 \\公式3 & 条件3 \\ \end{cases} \]

函数名=\begin{cases}
公式1 & 条件1 \\
公式2 & 条件2 \\
公式3 & 条件3 \\
\end{cases}

• \(h(m,n)=\left[ \begin{array}{cccc} 1&1&1\\ 1&1&1\\ 1&1&1 \end{array} \right]\)

h(m,n)=\left[
		\begin{array}{cccc} 
    	1&1&1\\ 
   		1&1&1\\ 
    	1&1&1
		\end{array}
		\right]

• \(D = \left[ \begin{array}{ccc} d_1 & \cdots & \cdots \\ \cdots & d_2 & \cdots \\ \vdots & \vdots & \ddots \\ \cdots & \cdots & d_n \end{array} \right]\)

D = \left[
  \begin{array}{ccc}
    d_1    & \cdots & \cdots \\
    \cdots & d_2    & \cdots \\
    \vdots & \vdots & \ddots \\
    \cdots & \cdots & d_n
  \end{array}
  \right]

• \(x_1 = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\)

x_1 = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

• \(\cdots\)

\cdots

• 数学运算符号

符号	latex语法	符号	latex语法
\(\pm\)	\pm	\(\equiv\)	\equiv
\(\times\)	\times	\(\leq\)	\leq
\(\cdot\)	\cdot	\(\geq\)	\geq
\(\div\)	\div	\(\in\)	\in
\(\neq\)	\neq	\(\notin\)	\notin
\(\supset\)	\supset	$ \subset $	\subset
\(\supseteq\)	\supseteq	\(\subseteq\)	\subseteq
\(\cap\)	\cap	\(\cup\)	\cup
\(\approx\)	\approx	\(\mid\)	\mid

• 数学特殊符号

符号	latex语法	符号	latex语法
\(\Sigma\)	\Sigma	\(\sigma\)	\sigma
\(\Lambda\)	\Lambda	\(\lambda\)	\lambda
\(\Gamma\)	\Gamma	\(\gamma\)	\gamma
\(\Omega\)	\Omega	\(\omega\)	\omega
\(\Pi\)	\Pi	\(\pi\)	\pi
\(\Delta\)	\Delta	\(\varepsilon\)	\varepsilon
\(\chi\)	\chi	\(\xi\)	\xi
\(\Psi\)	\Psi	\(\phi\)	\phi
\(\nu\)	\nu	\(\mu\)	\mu
\(\eta\)	\eta	\(\zeta\)	\zeta
\(\rho\)	\rho	\(\tau\)	\tau
\(\partial\)	\partial	\(\delta\)	\delta