latex 换行默认不分段，想分段需要再换行。

vscode+Latex

辅助写公式：<www.latexlive.com>

前期准备

安装texlive:https://mirrors.tuna.tsinghua.edu.cn/CTAN/systems/texlive/Images/
vscode下载插件：latex workshop
完成上面两步，打开vscode按住ctrl+shift+p,输入json,选择“打开用户设置”进入settings.json文件，在settings.json文件中添加以下内容：
(注意，是删除大括号里面的内容，再替换)

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"latex-workshop.latex.recipes": [
    {
        "name": "XeLaTeX",
        "tools": [
            "xelatex"
        ]
    },
    {
        "name": "PDFLaTeX",
        "tools": [
            "pdflatex"
        ]
    },
    {
        "name": "xelatex -> bibtex -> xelatex*2",
        "tools": [
            "xelatex",
            "bibtex",
            "xelatex",
            "xelatex"
        ]
    },
    {
        "name": "pdflatex ➞ bibtex ➞ pdflatex * 2",
        "tools": [
            "pdflatex",
            "bibtex",
            "pdflatex",
            "pdflatex"
        ]
    }
],
"latex-workshop.latex.tools": [
    {
        "name": "xelatex",
        "command": "xelatex",
        "args": [
            "-synctex=1",
            "-interaction=nonstopmode",
            "-file-line-error",
            "-shell-escape",
            "%DOCFILE%"
        ],
        "env": {}
    },
    {
        "name": "latexmk",
        "command": "latexmk",
        "args": [
            "-synctex=1",
            "-interaction=nonstopmode",
            "-file-line-error",
            "-pdf",
            "-outdir=%OUTDIR%",
            "%DOC%"
        ],
        "env": {}
    },
    {
        "name": "lualatexmk",
        "command": "latexmk",
        "args": [
            "-synctex=1",
            "-interaction=nonstopmode",
            "-file-line-error",
            "-lualatex",
            "-outdir=%OUTDIR%",
            "%DOC%"
        ],
        "env": {}
    },
    {
        "name": "latexmk_rconly",
        "command": "latexmk",
        "args": [
            "%DOC%"
        ],
        "env": {}
    },
    {
        "name": "pdflatex",
        "command": "pdflatex",
        "args": [
            "-synctex=1",
            "-interaction=nonstopmode",
            "-file-line-error",
            "%DOC%"
        ],
        "env": {}
    },
    {
        "name": "bibtex",
        "command": "bibtex",
        "args": [
            "%DOCFILE%"
        ],
        "env": {}
    },
    {
        "name": "rnw2tex",
        "command": "Rscript",
        "args": [
            "-e",
            "knitr::opts_knit$set(concordance = TRUE); knitr::knit('%DOCFILE_EXT%')"
        ],
        "env": {}
    },
    {
        "name": "jnw2tex",
        "command": "julia",
        "args": [
            "-e",
            "using Weave; weave(\"%DOC_EXT%\", doctype=\"tex\")"
        ],
        "env": {}
    },
    {
        "name": "jnw2texmintex",
        "command": "julia",
        "args": [
            "-e",
            "using Weave; weave(\"%DOC_EXT%\", doctype=\"texminted\")"
        ],
        "env": {}
    },
    {
        "name": "tectonic",
        "command": "tectonic",
        "args": [
            "--synctex",
            "--keep-logs",
            "%DOC%.tex"
        ],
        "env": {}
    }
],

重启发现左下方出现了TEX图标，点击打开，可以看到latex的各种功能，对环境进行编译测试：

ctrl+alt+b编译
ctrl+alt+v查看pdf

模板下载

IEEE模板：https://www.ieee.org/conferences/publishing/templates.html
http://www.ieee.org/publications_standards/publications/authors/author_templates.html
通用模板: https://www.overleaf.com/

Latex运用

空格空多少都是空一行

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&:位置对齐
$:数学公式
~：强制保留空格
#：编写宏包时使用
{}左右花括号表示将其中的内容作为一个整体对待

设定区域

正文各级标题

chapter
section
subsection
subsubsection

常用命令

\\(\newline、 \linebreak、\\[offset])换行
\newpage分页
\par分段
setlength{\parindent}{2em}设置段首缩进
\begin(equation)、\end(equation)在之间插入数学公式

希腊字母

alt text

上下标

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x^2，x_i，x_{ij}
如果多于一个字符，则需要用{}括起来

关于斜体和直立体

英文字母只有在表示变量(或单一字符的函数名称,如f(x)),才使用斜体。其余情况都应使用直立体。

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x_i
x_{\text i}
{\rm A}B

分式

速通IEEE模板