Latex 笔记

// Latex 笔记

符号表

$\mathfrak{Code}$	$\mathfrak{Display}$
a_i	$a_i$
p^n	$p^n$
\sqrt{x}	$\sqrt{x}$
\sqrt {x}	$\sqrt {x}$
\overline{x}	$\overline{x}$
\underline{x}	$\underline{x}$
\overbrace{x}	$\overbrace{x}$
\underbrace{x}	$\underbrace{x}$
vec{x}	$\vec{x}$
\frac{1}{2}	$\frac{1}{2}$
\int	$\int$
\oint	$\oint$
\sum	$\sum$
\prod	$\prod$
\alpha	$\alpha$
\beta	$\beta$
\gamma	$\gamma$
\phi	$\phi$
\varphi	$\varphi$
\le	$\le$
\ge	$\ge$
\ne	$\ne$
\ll	$\ll$
\gg	$\gg$
\equiv	$\equiv$
\sim	$\sim$
\approx	$\approx$
\in	$\in$
\notin	$\notin$
\pm	$\pm$
\mp	$\mp$
\times	$\times$
\div	$\div$
\dots	$\dots$
\angle	$\angle$
\forall	$\forall$
\exists	$\exists$
\triangle	$\triangle$
\odot	$\odot$
\leqslant	$\leqslant$
\geqslant	$\geqslant$
\mathcal{abcABC}	$\mathcal{abcABC}$
\mathbb{abcABC}	$\mathbb{abcABC}$
\mathfrak{abcABC}	$\mathfrak{abcABC}$
\mathbf{abcABC}	$\mathbf{abcABC}$
\mathrm{abcABC}	$\mathrm{abcABC}$
abcABC	$abcABC$
a bc \quad def	$a bc \quad def$
a bc \ def	$a bc \ def$
a bc \qquad def	$abc \qquad def$
a\mod b\\c\!\mod d	$a\mod b\c!\mod d$
\text{a b}	$\text{a b}$

垂直对齐

\mathbf{M} =
\left(
\begin{array}{ccc}
x_{11} & x_{12} & \ldots \\
x_{21} & x_{22} & \ldots \\
\vdots & \vdots & \ddots
\end{array}
\right)

$$ \mathbf{M} = \left( \begin{array}{ccc} x_{11} & x_{12} & \ldots \ x_{21} & x_{22} & \ldots \ \vdots & \vdots & \ddots \end{array} \right) $$

f(x) =
\left\{
\begin{array}{ll}
a & case 1\\
b & case 2\\
c & otherwise
\end{array}
\right.

$$ f(x) = \left{ \begin{array}{ll} a & case 1\ b & case 2\ c & otherwise \end{array} \right. $$

\left(
\begin{array}{c|c}
1 & 2 \\
\hline
3 & 4
\end{array}
\right)

$$ \left( \begin{array}{c|c} 1 & 2 \ \hline 3 & 4 \end{array} \right) $$

\begin{eqnarray*}
f(x) & = & \cos x \\
f’(x) & = & -\sin x \\
\int_{0}^{x} f(y)dy & = & \sin x
\end{eqnarray*}

$$ \begin{eqnarray} f(x) & = & \cos x \ f’(x) & = & -\sin x \ \int_{0}^{x} f(y)dy & = & \sin x \end{eqnarray} $$

\begin{eqnarray}
f(x) & = & \cos x \\
f’(x) & = & -\sin x \\
\int_{0}^{x} f(y)dy & = & \sin x
\end{eqnarray}

$$ \begin{eqnarray} f(x) & = & \cos x \ f’(x) & = & -\sin x \ \int_{0}^{x} f(y)dy & = & \sin x \end{eqnarray} $$