## 编译环境
操作系统
* [* ] Windows 7/8/10
* [ ] macOS
* [ ] Linux
`若需勾选,请把[ ]改成[x]`
Tex发行版
* [* ] TexLive ...
## 编译环境
操作系统
* [* ] Windows 7/8/10
* [ ] macOS
* [ ] Linux
`若需勾选,请把[ ]改成[x]`
Tex发行版
* [* ] TexLive `年份`
* [ ] MikTeX `版本号`
* [ ] CTeX
`若需勾选,请把[ ]改成[x]`
## 我的问题
①如何解决表格后空白较大的问题;
②如何解决表格后的文字另起一段的问题,也就是做到顶端对齐;
③如何把两倍行间距仅对文字起作用,对表格和公式不起作用;
```
\documentclass{article}
\usepackage{amsmath}
\usepackage[UseMSWordMultipleLineSpacing,
MSWordLineSpacingMultiple=2]{zhlineskip}
\usepackage{float}
\usepackage{multirow}
\usepackage{booktabs}
\newtheorem{example}{Example}
\begin{document}
\begin{example}
Portfolio optimization aims to obtain an investment with low risk and high
return by distributing money among candidate securities.
\begin{table}[H]
\setlength{\abovecaptionskip}{0pt}
\setlength{\belowcaptionskip}{10pt}
\caption{Distributions}
\label{TableExm5}
\centering
\begin{tabular*}{12.6cm}{ccccc cc}
\hline
$i$ & 1 & 2 & 3 & 4 & 5 &6 \\
\hline
$\tilde{x}_{i1}$ & $Z(1,2,4)$ & $Z(3,4,6)$ & $Z(5,6,8)$
& $Z(3,4,6)$ & $Z(5,7,8)$ & $Z(9,10,12)$ \\
$\tilde{x}_{i2}$ & $Z(5,7,8)$ & $Z(9,11,12)$ & $Z(10, 11, 13)$
& $Z(1,2,4)$ & $Z(3,5,6)$ & $Z(6,8,9)$ \\
\hline
\end{tabular*}
\end{table}
It is easy to verify that
$$ 1.5\cdot \Upsilon_{i1} (\alpha, 1.5)- \Upsilon_{i2} (\alpha, -1)
\geq 0,\quad i = 1, 2, \ldots, 6, $$
\end{example}
Markowitz first proposed mean-variance model into portfolio
\end{document}
```
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