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Precautions for latex formula
2022-04-23 10:47:00 【qq1033930618】
List of articles
One 、 Formula writing
From URL
https://www.cnblogs.com/liangjianli/p/11616067.html
It's best to write
stay word Copy and paste the formula in medium size
In line formula
$ f(x) $
The formula between lines
$$ f(x) $$
Numbered
$$ a^2 + b^2 = c^2 \tag{
no.1} $$
auto number
\begin{
equation}
a^2 + b^2 = c^2
\end{
equation}
Labels and numbers
\begin{
equation}\label{
eq2}
a^2 + b^2 = c^2
\end{
equation}
This is the first (\ref{
eq2}) A formula
Automatically align and number separately \\\\ escape \\ Line break
\begin{
align}
x + y = 1\\\\
2x + y \neq 1\\\\
3x +4y \leq 2\\\\
4x \geq y
\end{
align}
Line feed
\begin{
equation}
\begin{
split}
(x + y)(x + 4y) & = x^2 + 4xy + xy + 4y^2\\\\
& = x^2 +5xy + 4y^2
\end{
split}
\end{
equation}
Line feed use &
Control all alignment here
Category input
\begin{
equation}
a_{
i1}A_{
j1} + a_{
i2}A_{
j2} + \cdots + a_{
in}A_{
jn} =
\begin{
cases}
\begin{
vmatrix}A\end{
vmatrix},& i =j\\\\
0, & i \neq j
\end{
cases}
\end{
equation}
Two 、 Ellipsis
\cdots It's a horizontal ellipsis
\vdots It's a vertical ellipsis
\ddots It's an ellipsis in the diagonal direction
\ldots Is an ellipsis aligned with the bottom line of the text
3、 ... and 、 Curly braces
label
\big,\Big,\bigg,\Bigg
for example \big \{
Single brace
\left\{
\right.
If there is a left, there must be a right
Four 、 And or not
∧
$\land$
∨
$\vee$
¬
$\neg$
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https://yzsam.com/2022/04/202204230618497160.html
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