Latex mathematical formula

1. Insert mathematical formula

Text insertion	$ Insert... In the text LaTeX The formula $
The solitary formula	$$ Take a line alone $$

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2. Up and down corner markers

Bottom corner a_0$namely{a}_0$
Upper corner mark a^n namely $a^n$
If the upper and lower corners are marked with multiple characters , use a_{20} To express $a_{20}$

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3. The Greek letter

grammar	Show
$\alpha$	$\alpha$
$\beta$	$\beta$
$\gamma$	$\gamma$
$\epsilon$	$ϵ$
$\pi$	$\pi$
$\omega$	$\omega$
$\Gamma$	$\Gamma$
$\Delta$	$\Delta$
$\Theta$	$\Theta$
$\Pi$	$\Pi$
$\Omega$	$\Omega$

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4. Mathematical functions

grammar	Show
$\log_a b$	${\log }_{a}b$
$\sin x$	$\sin x$
$\cos x$	$\cos x$
$\arcsin x$	$\arcsin x$
$\arccos x$	$\arccos x$
$\ln x$	$\ln x$
$\sqrt x$	$\sqrt{x}$
$\sum _ { i = 1 } ^ { 10 } t _ i$	Sum up ${\sum }_{i=1}^{10}{t}_i$
$\lim_{x \to \infty} e^{ -x}= 0$	limit ${\lim }_{x\to \infty }{e}^{-x}=0$

${\sin }^{2}x+co{s}^{2}x=1$
$y={\sin }^{-1}x+{\log }_{2}x$

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5. The score means \frac { molecular } { The denominator }

$$etc.ThanCountColumnseekandMaletype：\frac{a_1\ast (1-q^n)}{1-q}$$

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6. Show spaces

spacing	grammar	Display situation	explain
quad Space	$a \quad b$	$ab$	One m Width
Two spaces	$a \qquad b$	$ab$	Two m Width
Big space	$a\b$	$ab$	1/3m Width
Medium space	$a\;b$	$ab$	2/7m Width
Small space	$a\,b$	$ab$	1/6m Width
There are no spaces	$ab$	$ ab $
Be close to	$a\!b$	$ab$	Indent 1/6m Width

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7. Formula number

Use equation Environmental Science , Set up label Tag number

	\begin{equation}
		a+b=b+a  \label{commutative}
	\end{equation}

ref{commutative}  % quote 

You can use ref{ Tag name } Quote formula

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8. Matrix layout

• 1.\usepackage{amsmath} % Introduce math package
• 2. Create matrix environment \begin{matrix} \end{matrix}

		$\begin{matrix}
			0 & 1 \\
			1 & 0 
		\end{matrix}$

• 3.{pmatrix} With parentheses ,{bmatrix} With brackets ,{Bmatrix} With braces ,{vmatrix} With single vertical line ,{Vmatrix} With double vertical lines
• 4. For matrix environment & Separator column , use \\ Separate lines
• 5. Ellipsis is often used ：\dots ,\vdots,\ddots
• 6.\times The command displays the typesetting multiplier

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9. Multiline formula layout