Latex写论文中，算法过长，需要分页显示的方法

最新推荐文章于 2025-05-14 09:50:22 发布

rechardchen123

最新推荐文章于 2025-05-14 09:50:22 发布

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分类专栏： Latex 文章标签：算法 latex 分页

本文链接：https://blog.youkuaiyun.com/rechardchen123/article/details/78859173

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本文介绍了一种在LaTeX文档中实现算法跨页显示的方法，通过定义新的环境`breakablealgorithm`来允许长算法跨越多页显示，提高了文档排版的美观性和阅读体验。

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在写论文的过程中，我们经常遇到在写算法框架时，由于算法太长，常常占据一个页面，这样导致后续排版时候不美观同时与前文没有很好的衔接的情况，为此搜索了一下解决方法，比较有效的方法如下：

\documentclass{article}
\usepackage{algorithm,algpseudocode,float}
\usepackage{lipsum}

\makeatletter
\newenvironment{breakablealgorithm}
  {% \begin{breakablealgorithm}
   \begin{center}
     \refstepcounter{algorithm}% New algorithm
     \hrule height.8pt depth0pt \kern2pt% \@fs@pre for \@fs@ruled
     \renewcommand{\caption}[2][\relax]{% Make a new \caption
       {\raggedright\textbf{\ALG@name~\thealgorithm} ##2\par}%
       \ifx\relax##1\relax % #1 is \relax
         \addcontentsline{loa}{algorithm}{\protect\numberline{\thealgorithm}##2}%
       \else % #1 is not \relax
         \addcontentsline{loa}{algorithm}{\protect\numberline{\thealgorithm}##1}%
       \fi
       \kern2pt\hrule\kern2pt
     }
  }{% \end{breakablealgorithm}
     \kern2pt\hrule\relax% \@fs@post for \@fs@ruled
   \end{center}
  }
\makeatother

在

\begin{document}前加上如上所示的代码

然后\begin{breakablealgorithm}` 和 `\end{breakablealgorithm} 替换 \begin{algorithm}` 和 `\end{algorithm} 这样就可以避免算法在一整个页面显示。
例子如下：

\documentclass{article}
\usepackage{algorithm,algpseudocode,float}
\usepackage{lipsum}

\makeatletter
\newenvironment{breakablealgorithm}
  {% \begin{breakablealgorithm}
   \begin{center}
     \refstepcounter{algorithm}% New algorithm
     \hrule height.8pt depth0pt \kern2pt% \@fs@pre for \@fs@ruled
     \renewcommand{\caption}[2][\relax]{% Make a new \caption
       {\raggedright\textbf{\ALG@name~\thealgorithm} ##2\par}%
       \ifx\relax##1\relax % #1 is \relax
         \addcontentsline{loa}{algorithm}{\protect\numberline{\thealgorithm}##2}%
       \else % #1 is not \relax
         \addcontentsline{loa}{algorithm}{\protect\numberline{\thealgorithm}##1}%
       \fi
       \kern2pt\hrule\kern2pt
     }
  }{% \end{breakablealgorithm}
     \kern2pt\hrule\relax% \@fs@post for \@fs@ruled
   \end{center}
  }
\makeatother
\begin{document}
\section{AIS data filter algorithm}
\begin{breakablealgorithm}
        \caption{AIS filter algorithm}
        \begin{algorithmic}[1] %每行显示行号
            \Require $VesselInfoList$ the AIS data after grouping
            \Ensure  $InboundVesselList$ inbound vessel list,$OutboundVesselList$ outbound vessel list
            \Function {AIS data Extract-Transform-Load}{$VesselInfoList$}
                \State $temptable1 \gets 0$
                \While{$VesselInfoList \not\in \emptyset$}
                    \If {$VesselSpeed<0||VesselSpeed>30kn$}
                    \State $\textbf{Delete}\,these\,AIS\,data;$
                    \EndIf
                    \If {$Latitude>90^\circ||Longitude>180^\circ$}
                    \State $\textbf{Delete}\,these\,AIS\,data;$
                    \EndIf
                \State $\textbf{Save}\,the\,rest\,AIS\,data\,into\,\textbf{temptable1};$
                \EndWhile
            \EndFunction
            \State
            \Function {preliminary filtering algorithm}{$\textbf{temptable1}$}
            \State $\textbf{Get}\,the \,water \,boundary \,coordination;$
            \State $\textbf{Delete} \,the \,AIS \,data \,out \,of \,boundary \,coordination;$
            \State $\textbf{Save} \,the \,rest \,AIS \,data \,into \,\textbf{temptable2}$
             \Function {Standardization the distance}{$\textbf{temptable2}$}
             \State $\textbf{Read}\,the\,Vessel\,Length\,data\,from\,\textbf{temptable2};$
             \State $calculate\,the\,distance:$
             \State $delta D=1852.25(\sqrt{(\varphi_2-\varphi_1)^2+(\lambda_2-\lambda_1)^2})/Length;$
             \State $\text{Save}\,the\,data\,into\,\textbf{temptable3};$
             \EndFunction
             \EndFunction
             \State
             \Function{Fine filter}{$\textbf{temtable3}$}
             \State $\text{Determine}\,the compound\_channel\,direction:\varphi_3;$
             \Function {inbound/outbound determination}{$\textbf{temptable3}$}
             \State $\text{Read}\,the\,vessel's\,heading\,or\,course\,from\,\textbf{temptable3}:\varphi_4;$
             \If {$\varphi_4\in(\varphi_3\pm10^\circ)$}
             \State $Vessel inbound;$
             \State $\textbf{save}\,the\,AIS\,data\,into\,\textbf{InboundVesselList};$
             \Else {$\varphi_4\in(\varphi_3\pm180^\circ)\pm10^\circ$}
             \State $Vessel outbound;$
             \State $\textbf{Save}\,the\,AIS\,data\,into\,\textbf{OutboundVesselList};$
             \EndIf
             \EndFunction
             \Function {Process AIS data}{$\textbf{InboundVesselList/OutboundVesselList}$}
             \State$\textbf{Read}\,the\,Vessel\,speed\,and\,time\,from\,InboundVesselList\,OutboundVesselList\,pos\_time;$
             \If {$rate\_of\_change=(speed[i]-speed[i-1])/(pos_time[i]-pos_time[i-1])<threshold$}
             \State $\textbf{Delete}\,current\,AIS\,data;$
             \Else
             \State $\textbf{Save}\,the\,AIS\,data;$
             \EndIf
             \EndFunction
             \EndFunction
             \State $\textbf{Output}\,the\,InboundVesselList\,and\,OutboundVesselList;$
     \end{algorithmic}
    \end{breakablealgorithm}
\end{document}

最终显示如下：
这里写图片描述