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<tr>
<td class=sleeptbbold height=17px>&nbsp;General Information</td>
<td class=sleeptb width=10px align=right>&nbsp;</td>
<td class=sleeptb width=10px align=right><a href="http://www.agnld.uni-potsdam.de/~marwan/2.toolbox/content_gpl.html"><img src="http://www.agnld.uni-potsdam.de/~marwan/2.toolbox/b_next.gif" border=0></a></td>
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<a href="http://www.agnld.uni-potsdam.de" target=_parent>
<img src="http://www.agnld.uni-potsdam.de/~marwan/0.pictures/nld.small.gif" border=0 alt="nonlinear dynamics group potsdam" title="nonlinear dynamics group potsdam" align=left></a>
<h2 align=right>CROSS RECURRENCE PLOT<br>TOOLBOX <?PHP $ver2=explode('.',$ver); echo $ver2[0] . '.' . $ver2[1];?></h2>
<br>



<table><tr valign="top"><td colspan="2">
<img SRC="http://www.agnld.uni-potsdam.de/~marwan/0.pictures/teufelchen.gif"  height=64 width=64 align=right>

<p align="left">The toolbox contains 
<a href="http://www.mathworks.com/products/matlab/" target="_blank">MATLAB</a><sup>&#174;</sup>
routines for computing <a href="http://www.recurrence-plot.tk" target="_blank">recurrence plots</a> 
and related problems. New developments as extended recurrence quantification 
(<a href="http://dx.doi.org/10.1103/PhysRevE.66.026702" target="_blank">Marwan et al., Phys. Rev. E, 2002</a>), 
cross recurrence plots 
(<a href="http://dx.doi.org/10.1016/S0375-9601(02)01170-2" target="_blank">Marwan & Kurths, Phys. Lett. A, 2002</a>; 
<a href="http://www.copernicus.org/EGU/npg/9/325.htm" target="_blank">Marwan et al., Nonlin. Proc. Geophys., 2002</a>)
and joint recurrence plots
(<a href="http://dx.doi.org/10.1016/j.physleta.2004.07.066" target="_blank">Romano et al., Phys. Lett. A, 2004</a>)
are included.
</p>


<p>The most
programmes contain a user-friendly graphical user interface, a 
pure command-line application of the programmes is also possible.
</p>

<p>
This toolbox requires Matlab 5.3 or higher.
</p>

<p>
Parameters in [&nbsp;] are optional.
</p>
<br>

</td></tr>
<tr valign="top"><td>

<h4>How to get</h4>
<p>
Look at the <a href="http://www.agnld.uni-potsdam.de/~marwan/2.toolbox/content_install.html">installation notes</a>.<br>
</p>

<h4>How to contact</h4>
<p>
Get the contact information on the web site of
<a href="http://www.agnld.uni-potsdam.de/~marwan/intro.php" target=_top>Norbert Marwan</a>.
</p>


<h4>Thanks</h4>
<p>
This toolbox has been developed in the project
<em>Nonlinear Phase and Correlation Analysis of
Palaeomagnetic and Palaeoclimatic Records</em>
under the framework of
the Priority Programme
<a href="http://www.tu-bs.de/institute/geophysik/spp/" target="_blank" id="spp" onMouseOut="mouseout('spp');" 
onMouseOver="mousein('spp');return true;">SP1097</a>
<em>Geomagnetic variations:
Spatio-temporal variations, processes and impacts on the system Earth</em>
of the German Science Foundation 
(<a href="http://www.dfg.de" target="_blank">Deutsche Forschungsgemeinschaft</a>).
</p>
<p>Moreover, I'm especially grateful to 
Paolo Sirabella (Roma, Italia),
Shine Lu (Nan Jing, China),
Charles L. Webber (Chicago, USA),
Joseph P. Zbilut (Chicago, USA),
Simon Mandelj (Slovenia),
Denis Mottet (Montpellier, France) and
Eleni Vlahogianni (Athens, Greece)
who gave me error reports and hints for a further improvement of
the toolbox.
</p>


<h4>Remarks</h4>
<p>
This toolbox needs Matlab 5.3 or newer because it uses commands 
that are not available in previous versions.
</p>

<p>
The toolbox is still under development. We cannot give any
warranty for anything related with our programmes. Please send
error messages or comments to our contact address.<br>
</p>

<h4>Future releases</h4>
<p>
We plan to improve and accelerate the toolbox routines and to 
include further methods of nonlinear data analysis.</p>

<p>
A plain <a href="http://www.agnld.uni-potsdam.de/~marwan/6.download/rp.php" target="_blank">commandline version</a> for creation of 
recurrence plots and RQA analysis is available for some Unix/Linux
and Dos/Windows systems.
</p>


<p>
current version: <i><?PHP echo $ver;?></i><br>
last revision: <i><?PHP echo $time; ?></i>
</p>

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