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<html><head><title>Lyap_k</title></head><body bgcolor=white><h1 align=center>Description of the program: <font color=Blue>lyap_k</font></h1><hr>The program estimates the largest Lyapunov exponent of a given scalardata set using the algorithm of Kantz.<hr><h2 align=center>Usage:</h2><center><font color=Red>lyap_k [Options]</font><p>Everything not being a valid option will be interpreted as a potential datafile name. Given no datafile at all, means read stdin. Also <font color=Red>-</font> means stdin<p>Possible options are:<p><table border=2><tr><th>Option<th>Description<th>Default</tr><tr><th>-l#<td>number of data to be used<td>whole file</tr><tr><th>-x#<td>number of lines to be ignored<td>0</tr><tr><th>-c#<td>column to read or datafile,#<td>1</tr><tr><th>-M#<td>maximal embedding dimension to use<td>2</tr><tr><th>-m#<td>minimal embedding dimension to use<td>2</tr><tr><th>-d#<td>delay to use<td>1</tr><tr><th>-r#<td>minimal length scale to search neighbors<td>(data interval)/1000</tr><tr><th>-R#<td>maximal length scale to search neighbors<td>(data interval)/100</tr><tr><th>-##<td>number of length scales to use<td>5</tr><tr><th>-n#<td>number of reference points to use<td>all</tr><tr><th>-s#<td>number of iterations in time<td>50</tr><tr><th>-t#<td>'theiler window'<td>0</tr><tr><th>-o#<td>output file name<td>without file name: 'datafile'.lyap <br>(or stdin.lyap if the data were read from stdin)</tr><tr><th>-h<td>show these options<td>none</tr></table></center><hr><h2 align=center>Description of the Output:</h2>For each embedding dimension and each length scale the file contains a block of data consisting of 3 columns<br><ol><li>The number of the iteration</li><li>The logarithm of the stretching factor (the slope is the Lyapunov exponent if it is a straight line)</li><li>The number of points for which a neighborhood with enough points wasfound</li></ol><hr>View the <a href="../c/lyap_k.cc"> C++-sources</a>.<hr>See also <a href="../../wuppertal/docs/lyapunov.html">lyapunov</a> (Wuppertal package) and <a href="lyap_r.html">lyap_r</a><hr><a href="index.html">Dresden index</a> * <a href="../../contents.html">general index</a> * <a href="../../index.html">TISEAN home</a></body></html>⌨️ 快捷键说明
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