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无法创建表格。缺失数字被视为零错误

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无法创建表格。缺失数字被视为零错误

我编写了下表：

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[]{booktabs}
\title{table}
\author{subham.soni007 }
\date{March 2015}

\begin{document}
\begin{table}[h]
\begin{tabular}{@{}lll@{}}
\toprule
\multicolumn{1}{c}{\textbf{PARAMETER}}                                               & \multicolumn{1}{c}{\textbf{EXISTING SYSTEM}}                                                        & \multicolumn{1}{c}{\textbf{PROPOSED SYSTEM}}                                                          \\ \midrule
\textbf{Type}                                                                        & Content-Based                                                                                       & Service-Based                                                                                         \\
\textbf{User’s Context}                                                              & \begin{tabular}[c]{@{}l@{}}The dialogue does not change \\ according to user’s context\end{tabular} & \begin{tabular}[c]{@{}l@{}}The dialogue changes according \\ to user’s context and needs\end{tabular} \\
\textbf{\begin{tabular}[c]{@{}l@{}}Failure\\ Recovery\end{tabular}}                  & \begin{tabular}[c]{@{}l@{}}User is not notified \\ about the failure\end{tabular}                   & \begin{tabular}[c]{@{}l@{}}The session is maintained, next time\\ when the user calls\end{tabular}    \\
\textbf{\begin{tabular}[c]{@{}l@{}}Number\\ of Dialogues\end{tabular}}               & Fixed                                                                                               & Variable                                                                                              \\
\textbf{\begin{tabular}[c]{@{}l@{}}Use of Domain-Specific\\  Knowledge\end{tabular}} & \begin{tabular}[c]{@{}l@{}}Does\\ not use\end{tabular}                                              & Uses domain-specific knowledge                                                                        \\ \bottomrule
\end{tabular}
\end{table}
\end{document}

当我在 WinEdt 中编译时，出现错误，在 \begin{tabular}{@{}lll@{}} 附近缺少的数字被视为零。但是当我使用 sharelatex 编译时，一切都正常。问题是什么？

答案1

我建议使用这个更简单的代码：

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[]{booktabs}
\setlength\defaultaddspace{1.25ex}
\usepackage{ragged2e}
\usepackage{array, tabularx}
\renewcommand{\tabularxcolumn}[1]{>{\RaggedRight\arraybackslash} m{#1}}
\newcolumntype{Y}{ >{\bfseries\RaggedRight\hsize=0.9\hsize}X}
\newcolumntype{Z}{ >{\RaggedRight\hsize=1.1\hsize}X}
\usepackage{makecell}
\renewcommand\theadalign{{p{5cm}}c}
\renewcommand\theadfont{\bfseries}
\title{table}
\author{subham.soni007 }
\date{March 2015}

\begin{document}

\begin{table}[h]
  \setlength\tabcolsep{4pt}%
  \begin{tabularx}{\linewidth}{@{\,}>{\bfseries}YXZ@{\,}}
    \toprule
    \thead{PARAMETER} & \thead{EXISTING SYSTEM} & \thead{PROPOSED SYSTEM} \\
    \midrule
    Type & Content-Based & Service-Based \\
    \addlinespace
    User’s Context & The dialogue does not change according to user’s context & The dialogue changes according to user’s context and needs \\
    \addlinespace
    Failure Recovery & User is not notified about the failure & The session is maintained, next time when the user calls \\
    \addlinespace
    Number\break of Dialogues & Fixed & Variable \\
    \addlinespace
    Use of Domain-Specific Knowledge
                              & Does not use & Uses domain-specific knowledge \\
    \bottomrule
  \end{tabularx}
\end{table}
\end{document}

在此处输入图片描述

答案2

不要使用全大写的标题和粗体字体为了提供视觉强调，我会专注于优化表格的结构，以提高其可读性和可理解性。为此，通常最好避免重复材料，并将重要信息移到表格的标题行和最左侧的列中。

这是您的桌子前后的外观对比。

在此处输入图片描述

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{booktabs,ragged2e,tabularx}
\newcolumntype{L}{>{\RaggedRight\arraybackslash}X}
\usepackage{xcolor}  % just for this example
\begin{document}

\noindent
\textcolor{red}{\texttt{after}}
\begin{table}[h]
  \begin{tabularx}{\textwidth}{@{} LLL @{}}
    \toprule
    Parameter & Existing System & Proposed System \\
    \midrule
    Type & Content-based & Service-based \\ \addlinespace
    Dialogue changes with user's context and needs & No & Yes \\ \addlinespace
    Failure recovery & User is not notified about the failure 
       & Session is maintained, next time when the user calls \\ \addlinespace
    Number of dialogues & Fixed & Variable \\ \addlinespace
    Use of domain-specific knowledge & No & Yes \\
    \bottomrule
  \end{tabularx}
\end{table}

\bigskip\noindent 
\textcolor{red}{\texttt{before}} (width of text block is exceeded massively)
\begin{table}[h]
\begin{tabular}{@{}lll@{}}
\toprule
\multicolumn{1}{c}{\textbf{PARAMETER}}                                               & \multicolumn{1}{c}{\textbf{EXISTING SYSTEM}}                                                        & \multicolumn{1}{c}{\textbf{PROPOSED SYSTEM}}                                                          \\ \midrule
\textbf{Type}                                                                        & Content-Based                                                                                       & Service-Based                                                                                         \\
\textbf{User’s Context}                                                              & \begin{tabular}[c]{@{}l@{}}The dialogue does not change \\ according to user’s context\end{tabular} & \begin{tabular}[c]{@{}l@{}}The dialogue changes according \\ to user’s context and needs\end{tabular} \\
\textbf{\begin{tabular}[c]{@{}l@{}}Failure\\ Recovery\end{tabular}}                  & \begin{tabular}[c]{@{}l@{}}User is not notified \\ about the failure\end{tabular}                   & \begin{tabular}[c]{@{}l@{}}The session is maintained, next time\\ when the user calls\end{tabular}    \\
\textbf{\begin{tabular}[c]{@{}l@{}}Number\\ of Dialogues\end{tabular}}               & Fixed                                                                                               & Variable                                                                                              \\
\textbf{\begin{tabular}[c]{@{}l@{}}Use of Domain-Specific\\  Knowledge\end{tabular}} & \begin{tabular}[c]{@{}l@{}}Does\\ not use\end{tabular}                                              & Uses domain-specific knowledge                                                                        \\ \bottomrule
\end{tabular}
\end{table}
\end{document}

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