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3<title>mixpp: eprod Class Reference</title>
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26<h1>eprod Class Reference</h1><!-- doxytag: class="eprod" --><!-- doxytag: inherits="epdf" -->Chain rule decomposition of <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. 
27<a href="#_details">More...</a>
28<p>
29<code>#include &lt;<a class="el" href="emix_8h-source.html">emix.h</a>&gt;</code>
30<p>
31<div class="dynheader">
32Inheritance diagram for eprod:</div>
33<div class="dynsection">
34<p><center><img src="classeprod__inherit__graph.png" border="0" usemap="#eprod__inherit__map" alt="Inheritance graph"></center>
35<map name="eprod__inherit__map">
36<area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="11,7,59,33"></map>
37<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
38<div class="dynheader">
39Collaboration diagram for eprod:</div>
40<div class="dynsection">
41<p><center><img src="classeprod__coll__graph.png" border="0" usemap="#eprod__coll__map" alt="Collaboration graph"></center>
42<map name="eprod__coll__map">
43<area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="11,103,59,129"><area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="16,7,53,33"></map>
44<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
45
46<p>
47<a href="classeprod-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
48<tr><td></td></tr>
49<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
50<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6c76cb1658c345cc30374c340608006c"></a><!-- doxytag: member="eprod::eprod" ref="6c76cb1658c345cc30374c340608006c" args="(Array&lt; epdf &gt; Facs)" -->
51&nbsp;</td><td class="memItemRight" valign="bottom"><b>eprod</b> (Array&lt; <a class="el" href="classepdf.html">epdf</a> &gt; Facs)</td></tr>
52
53<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#8019654e494bf5e458f6fb947e11b262">sample</a> () const =0</td></tr>
54
55<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.  <a href="#8019654e494bf5e458f6fb947e11b262"></a><br></td></tr>
56<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="54d7dd53a641b618771cd9bee135181f"></a><!-- doxytag: member="eprod::sampleN" ref="54d7dd53a641b618771cd9bee135181f" args="(int N) const " -->
57virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#54d7dd53a641b618771cd9bee135181f">sampleN</a> (int N) const </td></tr>
58
59<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png">. <br></td></tr>
60<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3ea597362e11a0040fe7c990269d072c"></a><!-- doxytag: member="eprod::eval" ref="3ea597362e11a0040fe7c990269d072c" args="(const vec &amp;val) const " -->
61virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#3ea597362e11a0040fe7c990269d072c">eval</a> (const vec &amp;val) const </td></tr>
62
63<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute probability of argument <code>val</code>. <br></td></tr>
64<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6aef3eca74899692503769c18add1a4c"></a><!-- doxytag: member="eprod::evalpdflog" ref="6aef3eca74899692503769c18add1a4c" args="(const vec &amp;val) const =0" -->
65virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#6aef3eca74899692503769c18add1a4c">evalpdflog</a> (const vec &amp;val) const =0</td></tr>
66
67<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of argument <code>val</code>. <br></td></tr>
68<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bf0a070a8f3e67a93604ca724638b870"></a><!-- doxytag: member="eprod::mean" ref="bf0a070a8f3e67a93604ca724638b870" args="() const =0" -->
69virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#bf0a070a8f3e67a93604ca724638b870">mean</a> () const =0</td></tr>
70
71<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br></td></tr>
72<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b89143f12c9b49282e30841e4fb5f337"></a><!-- doxytag: member="eprod::_rv" ref="b89143f12c9b49282e30841e4fb5f337" args="() const " -->
73<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#b89143f12c9b49282e30841e4fb5f337">_rv</a> () const </td></tr>
74
75<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
76<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
77<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5307a27aaf48be8213294b05ac533c39"></a><!-- doxytag: member="eprod::epdfs" ref="5307a27aaf48be8213294b05ac533c39" args="" -->
78Array&lt; <a class="el" href="classepdf.html">epdf</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><b>epdfs</b></td></tr>
79
80<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4387c81276ca66c1ca9336cf8bf74a8"></a><!-- doxytag: member="eprod::mpdfs" ref="a4387c81276ca66c1ca9336cf8bf74a8" args="" -->
81Array&lt; <a class="el" href="classmpdf.html">mpdf</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><b>mpdfs</b></td></tr>
82
83<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="68b66b05b3b6987472247f541846a366"></a><!-- doxytag: member="eprod::sizes" ref="68b66b05b3b6987472247f541846a366" args="" -->
84ivec&nbsp;</td><td class="memItemRight" valign="bottom"><b>sizes</b></td></tr>
85
86<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="74da992e3f5d598da8850b646b79b9d9"></a><!-- doxytag: member="eprod::rv" ref="74da992e3f5d598da8850b646b79b9d9" args="" -->
87<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a></td></tr>
88
89<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Identified of the random variable. <br></td></tr>
90</table>
91<hr><a name="_details"></a><h2>Detailed Description</h2>
92Chain rule decomposition of <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.
93<p>
94Probability density in the form of Chain-rule decomposition: \[ f(x_1,x_2,x_3) = f(x_1|x_2,x_3)f(x_2,x_3)f(x_3) \] Note that <hr><h2>Member Function Documentation</h2>
95<a class="anchor" name="8019654e494bf5e458f6fb947e11b262"></a><!-- doxytag: member="eprod::sample" ref="8019654e494bf5e458f6fb947e11b262" args="() const =0" -->
96<div class="memitem">
97<div class="memproto">
98      <table class="memname">
99        <tr>
100          <td class="memname">virtual vec epdf::sample           </td>
101          <td>(</td>
102          <td class="paramname">          </td>
103          <td>&nbsp;)&nbsp;</td>
104          <td> const<code> [pure virtual, inherited]</code></td>
105        </tr>
106      </table>
107</div>
108<div class="memdoc">
109
110<p>
111Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.
112<p>
113Returns a sample, <img class="formulaInl" alt="$x$" src="form_28.png"> from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png"> 
114<p>Implemented in <a class="el" href="classemix.html#0650601f24e633e0ab09aa1e46c14483">emix</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; sq_T &gt;</a>, <a class="el" href="classegiw.html#3d2c1f2ba0f9966781f1e0ae695e8a6f">egiw</a>, <a class="el" href="classegamma.html#8e10c0021b5dfdd9cb62c6959b5ef425">egamma</a>, <a class="el" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd">euni</a>, <a class="el" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12">eEmp</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; ldmat &gt;</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; chmat &gt;</a>, and <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; fsqmat &gt;</a>.</p>
115
116<p>Referenced by <a class="el" href="libBM_8h-source.html#l00169">mpdf::samplecond()</a>, <a class="el" href="libPF_8cpp-source.html#l00035">PF::set_est()</a>, and <a class="el" href="libEF_8cpp-source.html#l00223">eEmp::set_parameters()</a>.</p>
117
118</div>
119</div><p>
120<hr>The documentation for this class was generated from the following file:<ul>
121<li>work/git/mixpp/bdm/stat/<a class="el" href="emix_8h-source.html">emix.h</a></ul>
122</div>
123<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 16 17:22:08 2008 for mixpp by&nbsp;
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125<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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