Algorithm environment with Figure Caption

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Orkun S.

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Apr 23, 2014, 1:48:29 PM4/23/14
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Hi all,

I am using algorithm environment but I want figure caption under it instead of Algorithm Caption. Below is a sample code of my concern.

%\begin{algorithm}
%\caption{Simulated Annealing}
%\label{Fig:Figure1}
%\begin{algorithmic}
%\STATE Solve problem 1
%\FOR{$i=1,..,m$}
%\STATE Solve problem 2
%\IF{solution of problem 1 is greater than problem 2}
%\STATE Stop!
%\ENDIF
%\ENDFOR
%\end{algorithmic}
%\end{algorithm}

Thus, I want it to look just like an algorithm but I only want figure caption. How can I achieve this?

Thanks!

Werner Grundlingh

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Apr 23, 2014, 2:11:18 PM4/23/14
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Either use the capt-of package to set a caption of a figure inside the algorithm floating environment, or use a figure float directly:

Inline image 1

\documentclass{article}
\usepackage{algorithm,algorithmic}
\usepackage{capt-of}
\begin{document}
\begin{algorithm}[ht]
  \captionof{figure}{Simulated Annealing}\label{alg:Figure1}
  \begin{algorithmic}
    \STATE Solve problem 1
    \FOR{$i = 1, \ldots, m$}
      \STATE Solve problem 2
      \IF{solution of problem 1 is greater than problem 2}
        \STATE Stop!
      \ENDIF
    \ENDFOR
  \end{algorithmic}
\end{algorithm}

\begin{figure}[ht]
  \caption{Simulated Annealing}\label{fig:Figure1}
  \begin{algorithmic}
    \STATE Solve problem 1
    \FOR{$i = 1, \ldots, m$}
      \STATE Solve problem 2
      \IF{solution of problem 1 is greater than problem 2}
        \STATE Stop!
      \ENDIF
    \ENDFOR
  \end{algorithmic}
\end{figure}

\end{document}


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Orkun S.

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Apr 23, 2014, 2:38:05 PM4/23/14
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Thank you so much for your help! I think the first one is a better fit for me, but I need caption to be under it (i.e., under the line). How can I do that?

Werner Grundlingh

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Apr 23, 2014, 2:55:58 PM4/23/14
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In that case I suggest using a figure environment straight-up and modify algorithmic so that it provides the rules you're after (naturally, algorithm formats the float using the float package's ruled style). Placement of the caption below the algorithm is achieved by physically placing it below the algorithmic environment.

Inline image 1

\documentclass{article}
\usepackage{algorithmic}
\usepackage{letltxmacro}
\LetLtxMacro{\oldalgorithmic}{\algorithmic}
\LetLtxMacro{\endoldalgorithmic}{\endalgorithmic}
\renewenvironment{algorithmic}[1][0]{%
  \hrulefill\par
  \oldalgorithmic[#1]}
  {\endoldalgorithmic\par
   \vspace*{-.5\baselineskip}
   \hrulefill\par
  }

\begin{document}

\begin{figure}[ht]
  \begin{algorithmic}
    \STATE Solve problem 1
    \FOR{$i = 1, \ldots, m$}
      \STATE Solve problem 2
      \IF{solution of problem 1 is greater than problem 2}
        \STATE Stop!
      \ENDIF
    \ENDFOR
  \end{algorithmic}
  \caption{Simulated Annealing}\label{fig:Figure1}
\end{figure}

\end{document}


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Orkun S.

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Apr 23, 2014, 3:02:56 PM4/23/14
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Dear Werner Grundlingh,

Thank yo so much for your time and help! It works perfectly!
On Wednesday, April 23, 2014 12:48:29 PM UTC-5, Orkun S. wrote:
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