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I have simple code:
\documentclass{article} \usepackage{algorithm} \usepackage{algpseudocode} \begin{document} \begin{algorithm} \caption{Examples}\label{alg:Examples} \begin{algorithmic}[1] \State $X=45$ \State $X=45$ \State $X=45$ \State $X=45$ \State $X=45$ \end{algorithmic} \end{algorithm} \end{document}
How to put a point after the number of the algorithm?
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I use chapters in
report:\documentclass[a4paper,12pt]{report} \usepackage{algorithm} \usepackage{algpseudocode} \begin{document} \chapter{Chapter 1} \begin{equation} X_2=4 \end{equation} \begin{algorithm} \caption{Examples}\label{alg:Examples} \begin{algorithmic}[1] \State $X=45$ \State $X=45$ \State $X=45$ \State $X=45$ \State $X=45$ \end{algorithmic} \end{algorithm} \end{document}
How to change the numbering to take into account the chapters?
[Tex/LaTex] Numbering in algorithmicx
algorithmicxalgorithmsnumbering
Related Solutions
As egreg has mentioned in a comment, one option would be to use
\addtocounter{algorithm}{-1}
before \caption{Part 2}. Another option, not requiring manually changing counters and that additionally gives you the possibility to use a customized formatting for the continued algorithm, would be to use \ContinuedFloat from the caption package. An example with the default caption format for \ContinuedFloat:
\documentclass{article}
\usepackage{caption}
\usepackage{algorithm}
\usepackage{algpseudocode}
\begin{document}
\begin{algorithm}
\caption{Part 1}
\begin{algorithmic}[1]
\Procedure {BellmanKalaba}{$G$, $u$, $l$, $p$}
\ForAll {$v \in V(G)$}
\State $l(v) \leftarrow \infty$
\EndFor
\State $l(u) \leftarrow 0$
\Repeat
\For {$i \leftarrow 1, n$}
\State $min \leftarrow l(v_i)$
\For {$j \leftarrow 1, n$}
\If {$min > e(v_i, v_j) + l(v_j)$}
\State $min \leftarrow e(v_i, v_j) + l(v_j)$
\State \Comment For some reason we need to break here!
\algstore{bkbreak}
\end{algorithmic}
\end{algorithm}
And we need to put some additional text between\dots
\begin{algorithm}[h]
\ContinuedFloat
\caption{Part 2}
\begin{algorithmic}[1]
\algrestore{bkbreak}
\State $p(i) \leftarrow v_j$
\EndIf
\EndFor
\State $l’(i) \leftarrow min$
\EndFor
\State $changed \leftarrow l \not= l’$
\State $l \leftarrow l’$
\Until{$\neg changed$}
\EndProcedure
\end{algorithmic}
\end{algorithm}
\end{document}
An an example with a modified format for the caption of continued floats:
\documentclass{article}
\usepackage{caption}
\usepackage{algorithm}
\usepackage{algpseudocode}
\makeatletter
\DeclareCaptionLabelFormat{algcontinued}{\ALG@name~#2 (Continued)}
\makeatother
\captionsetup[ContinuedFloat]{labelformat=algcontinued}
\begin{document}
\begin{algorithm}
\caption{Part 1}
\begin{algorithmic}[1]
\Procedure {BellmanKalaba}{$G$, $u$, $l$, $p$}
\ForAll {$v \in V(G)$}
\State $l(v) \leftarrow \infty$
\EndFor
\State $l(u) \leftarrow 0$
\Repeat
\For {$i \leftarrow 1, n$}
\State $min \leftarrow l(v_i)$
\For {$j \leftarrow 1, n$}
\If {$min > e(v_i, v_j) + l(v_j)$}
\State $min \leftarrow e(v_i, v_j) + l(v_j)$
\State \Comment For some reason we need to break here!
\algstore{bkbreak}
\end{algorithmic}
\end{algorithm}
And we need to put some additional text between\dots
\begin{algorithm}[h]
\ContinuedFloat
\caption{Part 2}
\begin{algorithmic}[1]
\algrestore{bkbreak}
\State $p(i) \leftarrow v_j$
\EndIf
\EndFor
\State $l’(i) \leftarrow min$
\EndFor
\State $changed \leftarrow l \not= l’$
\State $l \leftarrow l’$
\Until{$\neg changed$}
\EndProcedure
\end{algorithmic}
\end{algorithm}
\end{document}
Best Answer
It seems like the end goal here is to have a
<chapter>.<algorithm>.numbering within the algorithm caption, yet have<chapter>.<algorithm>numbering for the reference. Thecaptionpackage can help here with settinglabelseptoperiod:The reason for not just redefining
\thealgorithmto including the trailing period is that it would otherwise then be included when referencing an algorithm, which may cause problems. Algorithm number resetting is scheduled with every chapter.