<?xml version="1.0" encoding="ascii"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Bio.MarkovModel</title> <link rel="stylesheet" href="epydoc.css" type="text/css" /> <script type="text/javascript" src="epydoc.js"></script> </head> <body bgcolor="white" text="black" link="blue" vlink="#204080" alink="#204080"> <!-- ==================== NAVIGATION BAR ==================== --> <table class="navbar" border="0" width="100%" cellpadding="0" bgcolor="#a0c0ff" cellspacing="0"> <tr valign="middle"> <!-- Tree link --> <th> <a href="module-tree.html">Trees</a> </th> <!-- Index link --> <th> <a href="identifier-index.html">Indices</a> </th> <!-- Help link --> <th> <a href="help.html">Help</a> </th> <th class="navbar" width="100%"></th> </tr> </table> <table width="100%" cellpadding="0" cellspacing="0"> <tr valign="top"> <td width="100%"> <span class="breadcrumbs"> <a href="Bio-module.html">Package Bio</a> :: Module MarkovModel </span> </td> <td> <table cellpadding="0" cellspacing="0"> <!-- hide/show private --> <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink" onclick="toggle_private();">hide private</a>]</span></td></tr> <tr><td align="right"><span class="options" >[<a href="frames.html" target="_top">frames</a >] | <a href="Bio.MarkovModel-module.html" target="_top">no frames</a>]</span></td></tr> </table> </td> </tr> </table> <!-- ==================== MODULE DESCRIPTION ==================== --> <h1 class="epydoc">Module MarkovModel</h1><p class="nomargin-top"><span class="codelink"><a href="Bio.MarkovModel-pysrc.html">source code</a></span></p> <p>This is an implementation of a state-emitting MarkovModel. I am using terminology similar to Manning and Schutze.</p> <p>Functions: train_bw Train a markov model using the Baum-Welch algorithm. train_visible Train a visible markov model using MLE. find_states Find the a state sequence that explains some observations.</p> <p>load Load a MarkovModel. save Save a MarkovModel.</p> <p>Classes: MarkovModel Holds the description of a markov model</p> <!-- ==================== CLASSES ==================== --> <a name="section-Classes"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td colspan="2" class="table-header"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr valign="top"> <td align="left"><span class="table-header">Classes</span></td> <td align="right" valign="top" ><span class="options">[<a href="#section-Classes" class="privatelink" onclick="toggle_private();" >hide private</a>]</span></td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="Bio.MarkovModel.MarkovModel-class.html" class="summary-name">MarkovModel</a> </td> </tr> </table> <!-- ==================== FUNCTIONS ==================== --> <a name="section-Functions"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td colspan="2" class="table-header"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr valign="top"> <td align="left"><span class="table-header">Functions</span></td> <td align="right" valign="top" ><span class="options">[<a href="#section-Functions" class="privatelink" onclick="toggle_private();" >hide private</a>]</span></td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="itemindex"></a><span class="summary-sig-name">itemindex</span>(<span class="summary-sig-arg">values</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#itemindex">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_readline_and_check_start"></a><span class="summary-sig-name">_readline_and_check_start</span>(<span class="summary-sig-arg">handle</span>, <span class="summary-sig-arg">start</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_readline_and_check_start">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type">MarkovModel()</span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="load"></a><span class="summary-sig-name">load</span>(<span class="summary-sig-arg">handle</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#load">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="save"></a><span class="summary-sig-name">save</span>(<span class="summary-sig-arg">mm</span>, <span class="summary-sig-arg">handle</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#save">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a href="Bio.MarkovModel-module.html#train_bw" class="summary-sig-name">train_bw</a>(<span class="summary-sig-arg">states</span>, <span class="summary-sig-arg">alphabet</span>, <span class="summary-sig-arg">training_data</span>, <span class="summary-sig-arg">pseudo_initial</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_transition</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_emission</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">update_fn</span>=<span class="summary-sig-default">None</span>)</span><br /> train_bw(states, alphabet, training_data[, pseudo_initial] [, pseudo_transition][, pseudo_emission][, update_fn]) -> MarkovModel</td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#train_bw">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_baum_welch"></a><span class="summary-sig-name">_baum_welch</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">M</span>, <span class="summary-sig-arg">training_outputs</span>, <span class="summary-sig-arg">p_initial</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">p_transition</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">p_emission</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_initial</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_transition</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_emission</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">update_fn</span>=<span class="summary-sig-default">None</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_baum_welch">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_baum_welch_one"></a><span class="summary-sig-name">_baum_welch_one</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">M</span>, <span class="summary-sig-arg">outputs</span>, <span class="summary-sig-arg">lp_initial</span>, <span class="summary-sig-arg">lp_transition</span>, <span class="summary-sig-arg">lp_emission</span>, <span class="summary-sig-arg">lpseudo_initial</span>, <span class="summary-sig-arg">lpseudo_transition</span>, <span class="summary-sig-arg">lpseudo_emission</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_baum_welch_one">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_forward"></a><span class="summary-sig-name">_forward</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">T</span>, <span class="summary-sig-arg">lp_initial</span>, <span class="summary-sig-arg">lp_transition</span>, <span class="summary-sig-arg">lp_emission</span>, <span class="summary-sig-arg">outputs</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_forward">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_backward"></a><span class="summary-sig-name">_backward</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">T</span>, <span class="summary-sig-arg">lp_transition</span>, <span class="summary-sig-arg">lp_emission</span>, <span class="summary-sig-arg">outputs</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_backward">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a href="Bio.MarkovModel-module.html#train_visible" class="summary-sig-name">train_visible</a>(<span class="summary-sig-arg">states</span>, <span class="summary-sig-arg">alphabet</span>, <span class="summary-sig-arg">training_data</span>, <span class="summary-sig-arg">pseudo_initial</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_transition</span>=<span class="summary-sig-default">None</span>, <span class="summary-sig-arg">pseudo_emission</span>=<span class="summary-sig-default">None</span>)</span><br /> train_visible(states, alphabet, training_data[, pseudo_initial] [, pseudo_transition][, pseudo_emission]) -> MarkovModel</td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#train_visible">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_mle"></a><span class="summary-sig-name">_mle</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">M</span>, <span class="summary-sig-arg">training_outputs</span>, <span class="summary-sig-arg">training_states</span>, <span class="summary-sig-arg">pseudo_initial</span>, <span class="summary-sig-arg">pseudo_transition</span>, <span class="summary-sig-arg">pseudo_emission</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_mle">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_argmaxes"></a><span class="summary-sig-name">_argmaxes</span>(<span class="summary-sig-arg">vector</span>, <span class="summary-sig-arg">allowance</span>=<span class="summary-sig-default">None</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_argmaxes">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type">list of (states, score)</span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="find_states"></a><span class="summary-sig-name">find_states</span>(<span class="summary-sig-arg">markov_model</span>, <span class="summary-sig-arg">output</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#find_states">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_viterbi"></a><span class="summary-sig-name">_viterbi</span>(<span class="summary-sig-arg">N</span>, <span class="summary-sig-arg">lp_initial</span>, <span class="summary-sig-arg">lp_transition</span>, <span class="summary-sig-arg">lp_emission</span>, <span class="summary-sig-arg">output</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_viterbi">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_normalize"></a><span class="summary-sig-name">_normalize</span>(<span class="summary-sig-arg">matrix</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_normalize">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_uniform_norm"></a><span class="summary-sig-name">_uniform_norm</span>(<span class="summary-sig-arg">shape</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_uniform_norm">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_random_norm"></a><span class="summary-sig-name">_random_norm</span>(<span class="summary-sig-arg">shape</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_random_norm">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_copy_and_check"></a><span class="summary-sig-name">_copy_and_check</span>(<span class="summary-sig-arg">matrix</span>, <span class="summary-sig-arg">desired_shape</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_copy_and_check">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_logsum"></a><span class="summary-sig-name">_logsum</span>(<span class="summary-sig-arg">matrix</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_logsum">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_logvecadd"></a><span class="summary-sig-name">_logvecadd</span>(<span class="summary-sig-arg">logvec1</span>, <span class="summary-sig-arg">logvec2</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_logvecadd">source code</a></span> </td> </tr> </table> </td> </tr> <tr class="private"> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="_exp_logsum"></a><span class="summary-sig-name">_exp_logsum</span>(<span class="summary-sig-arg">numbers</span>)</span></td> <td align="right" valign="top"> <span class="codelink"><a href="Bio.MarkovModel-pysrc.html#_exp_logsum">source code</a></span> </td> </tr> </table> </td> </tr> </table> <!-- ==================== VARIABLES ==================== --> <a name="section-Variables"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td colspan="2" class="table-header"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr valign="top"> <td align="left"><span class="table-header">Variables</span></td> <td align="right" valign="top" ><span class="options">[<a href="#section-Variables" class="privatelink" onclick="toggle_private();" >hide private</a>]</span></td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="logaddexp"></a><span class="summary-name">logaddexp</span> = <code title="<ufunc 'logaddexp'>"><ufunc 'logaddexp'></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="VERY_SMALL_NUMBER"></a><span class="summary-name">VERY_SMALL_NUMBER</span> = <code title="1e-300">1e-300</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="LOG0"></a><span class="summary-name">LOG0</span> = <code title="-690.77552789821368">-690.77552789821368</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="MAX_ITERATIONS"></a><span class="summary-name">MAX_ITERATIONS</span> = <code title="1000">1000</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'Bio'"><code class="variable-quote">'</code><code class="variable-string">Bio</code><code class="variable-quote">'</code></code> </td> </tr> </table> <!-- ==================== FUNCTION DETAILS ==================== --> <a name="section-FunctionDetails"></a> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td colspan="2" class="table-header"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr valign="top"> <td align="left"><span class="table-header">Function Details</span></td> <td align="right" valign="top" ><span class="options">[<a href="#section-FunctionDetails" class="privatelink" onclick="toggle_private();" >hide private</a>]</span></td> </tr> </table> </td> </tr> </table> <a name="train_bw"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr valign="top"><td> <h3 class="epydoc"><span class="sig"><span class="sig-name">train_bw</span>(<span class="sig-arg">states</span>, <span class="sig-arg">alphabet</span>, <span class="sig-arg">training_data</span>, <span class="sig-arg">pseudo_initial</span>=<span class="sig-default">None</span>, <span class="sig-arg">pseudo_transition</span>=<span class="sig-default">None</span>, <span class="sig-arg">pseudo_emission</span>=<span class="sig-default">None</span>, <span class="sig-arg">update_fn</span>=<span class="sig-default">None</span>)</span> </h3> </td><td align="right" valign="top" ><span class="codelink"><a href="Bio.MarkovModel-pysrc.html#train_bw">source code</a></span> </td> </tr></table> <p>train_bw(states, alphabet, training_data[, pseudo_initial] [, pseudo_transition][, pseudo_emission][, update_fn]) -> MarkovModel</p> <p>Train a MarkovModel using the Baum-Welch algorithm. states is a list of strings that describe the names of each state. alphabet is a list of objects that indicate the allowed outputs. training_data is a list of observations. Each observation is a list of objects from the alphabet.</p> <p>pseudo_initial, pseudo_transition, and pseudo_emission are optional parameters that you can use to assign pseudo-counts to different matrices. They should be matrices of the appropriate size that contain numbers to add to each parameter matrix, before normalization.</p> <p>update_fn is an optional callback that takes parameters (iteration, log_likelihood). It is called once per iteration.</p> <dl class="fields"> </dl> </td></tr></table> </div> <a name="train_visible"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr valign="top"><td> <h3 class="epydoc"><span class="sig"><span class="sig-name">train_visible</span>(<span class="sig-arg">states</span>, <span class="sig-arg">alphabet</span>, <span class="sig-arg">training_data</span>, <span class="sig-arg">pseudo_initial</span>=<span class="sig-default">None</span>, <span class="sig-arg">pseudo_transition</span>=<span class="sig-default">None</span>, <span class="sig-arg">pseudo_emission</span>=<span class="sig-default">None</span>)</span> </h3> </td><td align="right" valign="top" ><span class="codelink"><a href="Bio.MarkovModel-pysrc.html#train_visible">source code</a></span> </td> </tr></table> <p>train_visible(states, alphabet, training_data[, pseudo_initial] [, pseudo_transition][, pseudo_emission]) -> MarkovModel</p> <p>Train a visible MarkovModel using maximum likelihoood estimates for each of the parameters. states is a list of strings that describe the names of each state. alphabet is a list of objects that indicate the allowed outputs. training_data is a list of (outputs, observed states) where outputs is a list of the emission from the alphabet, and observed states is a list of states from states.</p> <p>pseudo_initial, pseudo_transition, and pseudo_emission are optional parameters that you can use to assign pseudo-counts to different matrices. They should be matrices of the appropriate size that contain numbers to add to each parameter matrix</p> <dl class="fields"> </dl> </td></tr></table> </div> <br /> <!-- ==================== NAVIGATION BAR ==================== --> <table class="navbar" border="0" width="100%" cellpadding="0" bgcolor="#a0c0ff" cellspacing="0"> <tr valign="middle"> <!-- Tree link --> <th> <a href="module-tree.html">Trees</a> </th> <!-- Index link --> <th> <a href="identifier-index.html">Indices</a> </th> <!-- Help link --> <th> <a href="help.html">Help</a> </th> <th class="navbar" width="100%"></th> </tr> </table> <table border="0" cellpadding="0" cellspacing="0" width="100%%"> <tr> <td align="left" class="footer"> Generated by Epydoc 3.0.1 on Thu Aug 18 18:19:20 2011 </td> <td align="right" class="footer"> <a target="mainFrame" href="http://epydoc.sourceforge.net" >http://epydoc.sourceforge.net</a> </td> </tr> </table> <script type="text/javascript"> <!-- // Private objects are initially displayed (because if // javascript is turned off then we want them to be // visible); but by default, we want to hide them. 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