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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><!--Converted with LaTeX2HTML 2K.1beta (1.48)original version by: Nikos Drakos, CBLU, University of Leeds* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan* with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --><HTML><HEAD><TITLE>MATLAB/OCTAVE compatibility</TITLE><META NAME="description" CONTENT="MATLAB/OCTAVE compatibility"><META NAME="keywords" CONTENT="H2M, H2M/cnt, Hidden Markov Model, HMM, Mixture model, Vector Quantization, Expectation Maximization, EM, Multivariate Gaussian, Count data, Poisson, Negative binomial, MATLAB, OCTAVE, GPL"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="LaTeX2HTML v2K.1beta"><META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"><LINK REL="STYLESHEET" HREF="h2m.css"><LINK REL="next" HREF="node7.html"><LINK REL="previous" HREF="node5.html"><LINK REL="up" HREF="node2.html"><LINK REL="next" HREF="node7.html"></HEAD><BODY BGCOLOR="ivory"><!--Navigation Panel--><B> Next:</B> <A NAME="tex2html148" HREF="node7.html">FAQ</A><B>Up:</B> <A NAME="tex2html144" HREF="node2.html">Introduction</A><B> Previous:</B> <A NAME="tex2html138" HREF="node5.html">License and warranty</A><P><!--End of Navigation Panel--><H2><A NAME="SECTION00024000000000000000">MATLAB/OCTAVE compatibility</A></H2><TT>H2M</TT> functions where originally developed using MATLAB V4 and then MATLABV5, they will thus run on any currently available version of MATLAB. The onlyexception is the mex-file <code>c_dgaus.c</code> which uses the mex-specific V5syntax (the obsolete V4 lines are commented out) - if you are using the MATLABcompiler <code>mcc</code> however you shouldn't need that anyway (seesection <A HREF="node13.html#sec:time+mem">2.5.3</A>).<P>The <TT>H2M</TT> functions have also been tested using<A NAME="tex2html1" HREF="http://www.che.wisc.edu/octave/">OCTAVE</A>(the GNUalternative to MATLAB), version 2.0.13. It basically works as long as you areusing the <code>--traditional</code> switch. The sub-directory <code>octave</code> containsa minimal set of MATLAB compatibility routines needed to run the three examples<code>ex_basic</code>, <code>ex_bic</code> and <code>ex_sprec</code> (remember to append thissub-directory to your loadpath using the <code>path</code> command if you are usingOCTAVE). The only significant difference is that OCTAVE does not allow forsparse matrices.<P>The <TT>H2M/cnt</TT> functions have been tested under version 2.0.16 of OCTAVE (alwaysusing the <code>--traditional</code> switch). Note that the simulation routines(<code>pm_gen</code>, <code>ph_gen</code> and <code>nbh_gen</code>) do require some functionsthat have been introduced in version 2.0.14 of OCTAVE (<code>poisson_rnd</code> and<code>gamma_rnd</code> for simulating random deviates). The <TT>H2M/cnt</TT> functions naturallyrun without problem using MATLAB V5 but you will need the Statistics toolboxwhich contains the <code>poissrnd</code> and <code>gammrnd</code> functions in order forthe simulation routines to work (see section <A HREF="node20.html#sec:cnt:notes">4.2.2</A> for otherpossible solutions).<P><P><HR><!--Navigation Panel--><B> Next:</B> <A NAME="tex2html148" HREF="node7.html">FAQ</A><B>Up:</B> <A NAME="tex2html144" HREF="node2.html">Introduction</A><B> Previous:</B> <A NAME="tex2html138" HREF="node5.html">License and warranty</A><P><!--End of Navigation Panel--><ADDRESS>Olivier Cappé, Aug 24 2001</ADDRESS></BODY></HTML>
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