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乳胶中的表格不必要地从下一页开始

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乳胶中的表格不必要地从下一页开始

如何才能阻止我的 latex 表格不必要地从下一页开始，从而在上一页留下大量空白？如何才能强制从标题后开始。请帮忙，这是我的代码：我正在使用包：

\usepackage{tabularx,ragged2e,booktabs,caption},
\usepackage{float}

我的表格的代码是：

\documentclass[11pt]{report}
\usepackage{geometry}
\geometry{letterpaper}
\usepackage{natbib}

% Load up special logo commands.
\usepackage{doc}
\usepackage[english]{babel}
\addto{\captionsenglish}{%
\renewcommand{\bibname}{References}
}
% Package for formatting URLs.
\usepackage{url}
\usepackage{amsmath}
\usepackage[T1]{fontenc}
\usepackage[utf8x]{inputenc}
\usepackage{tabularx,ragged2e,booktabs,caption}

\usepackage{graphicx}
\usepackage{epstopdf}
\DeclareGraphicsRule{.tif}{png}{.png}{`convert #1 `dirname #1`/`basename #1 .tif`.png}
\usepackage{titlesec}
\usepackage{float}

\begin{document}
\chapter{Introduction}
    \section{Syntax summary}
\textbf{Basic regular expression syntax}
\vspace{1.5mm}
\hrule
\begin{table}[H]
\begin{tabular}{| l| l }
$.$ & Matches any character.\\ 
$*$ & Matches zero or more instances of the previous pattern item.\\
$+$ & Matches one or more instances of the previous pattern item.\\
$?$ & Matches zero or one instances of the previous pattern item.\\
$( )$ & Groups a subpattern. The repetition and alternation operators apply to the preceding subpattern.\\
$|$ & Alternation.\\
$[ ]$ & Delimit a set of characters. Ranges are specified as [x-y].\\
\textasciicircum & Anchor the pattern to the beginning of the string. Only when first.\\
\$ & Anchor the pattern to the end of the string. Only when last.\\
\end{tabular}
\end{table}
\hrule
\vspace{1.5mm}
\textbf{Advanced regular expression syntax.}
\vspace{1.5mm}
\hrule
\begin{table}[H]
\begin{tabular}{| l| l }
${m}$ & Matches m instances of the previous pattern item.\\
${m}?$ & Matches m instances of the previous pattern item.\\ 
${m,}$ & Matches m or more instances of the previous pattern item.\\
${m,}?$ & Matches m or more instances of the previous pattern item.\\ 
${m,n}$ & Matches m through n instances of the previous pattern item.\\
${m,n}?$ & Matches m through n instances of the previous pattern item.\\ 
$*?$ & Matches zero or more instances of the previous pattern item.\\ 
$+?$ & Matches one or more instances of the previous pattern item.\\ 
$??$ & Matches zero or one instances of the previous pattern item.\\ 
$(?:re)$ & Groups a subpattern, re, but does not capture the result.\\
$(?=re)$ & Positive look-ahead. Matches the point where re begins.\\
$(?!re)$ & Negative look-ahead. Matches the point where re does not begin.\\
$(?abc)$ & Embedded options, where abc is any number of option letters.\\
$[: :]$ & Delimits a character class within a bracketed expression.\\ 
$[. .]$ & Delimits a collating element within a bracketed expression.\\
$[= =]$ & Delimits an equivalence class within a bracketed expression.\\
\end{tabular}
\end{table}
\end{document}

我试过[!ht]，[!htp]或者[htpb]，但这些都不起作用，表格反而消失了。所以请帮忙。

答案1

没有标题 + 没有标题 + 没有浮动 = 对我来说，更像是一个列表，而不是一个表格。

可以使用内置命令或修改列表的包添加任何所需的样式/缩进，例如enumitem。

与标准tabular环境不同（尤其是与tabular包装在table环境中不同），此解决方案可以跨页面中断。

\documentclass{article}

\begin{document}
\begin{description}
\item{$.$} Matches any character.
\item{$*$} Matches zero or more instances of the previous pattern item.
\item{$+$} Matches one or more instances of the previous pattern item.
\item{$?$} Matches zero or one instances of the previous pattern item.
\item{$(\,)$} Groups a subpattern. The repetition and alternation operators apply to the preceding subpattern.
\item{$|$} Alternation.
\item{$[\,]$} Delimit a set of characters. Ranges are specified as [x-y].
\item{\textasciicircum} Anchor the pattern to the beginning of the string. Only when first.
\item{\$} Anchor the pattern to the end of the string. Only when last.
\end{description}
\end{document}

在此处输入图片描述

以下是实现更好对齐的一种可能方法：

\documentclass{article}

\begin{document}
\begin{description}\def\Item#1{\item{\makebox[8pt]{#1}}}
\Item{$.$} Matches any character.
\Item{$*$} Matches zero or more instances of the previous pattern item.
\Item{$+$} Matches one or more instances of the previous pattern item.
\Item{$?$} Matches zero or one instances of the previous pattern item.
\Item{$(\,)$} Groups a subpattern. The repetition and alternation operators apply to the preceding subpattern.
\Item{$|$} Alternation.
\Item{$[\,]$} Delimit a set of characters. Ranges are specified as [x-y].
\Item{\textasciicircum} Anchor the pattern to the beginning of the string. Only when first.
\Item{\$} Anchor the pattern to the end of the string. Only when last.
\end{description}
\end{document}

在此处输入图片描述

当然还有无数其他的方法可以实现这一点。

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