root/library/doc/html/classbdm_1_1emix.html @ 590

Revision 590, 26.8 kB (checked in by smidl, 15 years ago)

doc

Line 
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
3<title>mixpp: bdm::emix Class Reference</title>
4<link href="tabs.css" rel="stylesheet" type="text/css">
5<link href="doxygen.css" rel="stylesheet" type="text/css">
6</head><body>
7<!-- Generated by Doxygen 1.5.8 -->
8<script type="text/javascript">
9<!--
10function changeDisplayState (e){
11  var num=this.id.replace(/[^[0-9]/g,'');
12  var button=this.firstChild;
13  var sectionDiv=document.getElementById('dynsection'+num);
14  if (sectionDiv.style.display=='none'||sectionDiv.style.display==''){
15    sectionDiv.style.display='block';
16    button.src='open.gif';
17  }else{
18    sectionDiv.style.display='none';
19    button.src='closed.gif';
20  }
21}
22function initDynSections(){
23  var divs=document.getElementsByTagName('div');
24  var sectionCounter=1;
25  for(var i=0;i<divs.length-1;i++){
26    if(divs[i].className=='dynheader'&&divs[i+1].className=='dynsection'){
27      var header=divs[i];
28      var section=divs[i+1];
29      var button=header.firstChild;
30      if (button!='IMG'){
31        divs[i].insertBefore(document.createTextNode(' '),divs[i].firstChild);
32        button=document.createElement('img');
33        divs[i].insertBefore(button,divs[i].firstChild);
34      }
35      header.style.cursor='pointer';
36      header.onclick=changeDisplayState;
37      header.id='dynheader'+sectionCounter;
38      button.src='closed.gif';
39      section.id='dynsection'+sectionCounter;
40      section.style.display='none';
41      section.style.marginLeft='14px';
42      sectionCounter++;
43    }
44  }
45}
46window.onload = initDynSections;
47-->
48</script>
49<div class="navigation" id="top">
50  <div class="tabs">
51    <ul>
52      <li><a href="main.html"><span>Main&nbsp;Page</span></a></li>
53      <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
54      <li class="current"><a href="annotated.html"><span>Classes</span></a></li>
55      <li><a href="files.html"><span>Files</span></a></li>
56    </ul>
57  </div>
58  <div class="tabs">
59    <ul>
60      <li><a href="annotated.html"><span>Class&nbsp;List</span></a></li>
61      <li><a href="classes.html"><span>Class&nbsp;Index</span></a></li>
62      <li><a href="hierarchy.html"><span>Class&nbsp;Hierarchy</span></a></li>
63      <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
64    </ul>
65  </div>
66  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1emix.html">emix</a>
67  </div>
68</div>
69<div class="contents">
70<h1>bdm::emix Class Reference</h1><!-- doxytag: class="bdm::emix" --><!-- doxytag: inherits="bdm::epdf" -->Mixture of epdfs. 
71<a href="#_details">More...</a>
72<p>
73<code>#include &lt;<a class="el" href="emix_8h-source.html">emix.h</a>&gt;</code>
74<p>
75
76<p>
77<a href="classbdm_1_1emix-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
78<tr><td></td></tr>
79<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
80<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4838f3a376ee0bd3c658bfb8f4ea4a3d"></a><!-- doxytag: member="bdm::emix::emix" ref="4838f3a376ee0bd3c658bfb8f4ea4a3d" args="()" -->
81&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#4838f3a376ee0bd3c658bfb8f4ea4a3d">emix</a> ()</td></tr>
82
83<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
84<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#10b4e0c45dd8f7d78f73e325382c6922">set_parameters</a> (const vec &amp;<a class="el" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46">w</a>, const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt; &gt; &amp;<a class="el" href="classbdm_1_1emix.html#866e75dacba151942ead95104e57a897">Coms</a>)</td></tr>
85
86<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set weights <code>w</code> and components <code>Coms</code>.  <a href="#10b4e0c45dd8f7d78f73e325382c6922"></a><br></td></tr>
87<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e8839dbbb0d1276a8dbe957a67cfe0dc"></a><!-- doxytag: member="bdm::emix::sample" ref="e8839dbbb0d1276a8dbe957a67cfe0dc" args="() const " -->
88vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#e8839dbbb0d1276a8dbe957a67cfe0dc">sample</a> () const </td></tr>
89
90<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a sample, <img class="formulaInl" alt="$ x $" src="form_7.png"> from density <img class="formulaInl" alt="$ f_x()$" src="form_8.png">. <br></td></tr>
91<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a3a5390bc56e81ef3b0debc0f185fa8a"></a><!-- doxytag: member="bdm::emix::mean" ref="a3a5390bc56e81ef3b0debc0f185fa8a" args="() const " -->
92vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#a3a5390bc56e81ef3b0debc0f185fa8a">mean</a> () const </td></tr>
93
94<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br></td></tr>
95<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e9a627023cdf90c9ffd8eef726595c86"></a><!-- doxytag: member="bdm::emix::variance" ref="e9a627023cdf90c9ffd8eef726595c86" args="() const " -->
96vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#e9a627023cdf90c9ffd8eef726595c86">variance</a> () const </td></tr>
97
98<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected variance (not covariance!) <br></td></tr>
99<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#0f3db99f730bde6b7953931594537e8e">evallog</a> (const vec &amp;val) const </td></tr>
100
101<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="23af1986e2afcbc8c7e1c30f610e703b"></a><!-- doxytag: member="bdm::emix::evallog_m" ref="23af1986e2afcbc8c7e1c30f610e703b" args="(const mat &amp;Val) const " -->
102vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#23af1986e2afcbc8c7e1c30f610e703b">evallog_m</a> (const mat &amp;Val) const </td></tr>
103
104<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
105<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e64c1d5a73f541e469792e23d4677af2"></a><!-- doxytag: member="bdm::emix::evallog_M" ref="e64c1d5a73f541e469792e23d4677af2" args="(const mat &amp;Val) const " -->
106mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#e64c1d5a73f541e469792e23d4677af2">evallog_M</a> (const mat &amp;Val) const </td></tr>
107
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Auxiliary function that returns pdflog for each component. <br></td></tr>
109<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4edf5ceb3179a03f01b870c67eb53bb6"></a><!-- doxytag: member="bdm::emix::marginal" ref="4edf5ceb3179a03f01b870c67eb53bb6" args="(const RV &amp;rv) const " -->
110<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#4edf5ceb3179a03f01b870c67eb53bb6">marginal</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
111
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return marginal density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remainig rvs are intergrated out. <br></td></tr>
113<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d4ee18c3cdb5f35467f3bfc373c8544f"></a><!-- doxytag: member="bdm::emix::marginal" ref="d4ee18c3cdb5f35467f3bfc373c8544f" args="(const RV &amp;rv, emix &amp;target) const " -->
114void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#d4ee18c3cdb5f35467f3bfc373c8544f">marginal</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>, <a class="el" href="classbdm_1_1emix.html">emix</a> &amp;target) const </td></tr>
115
116<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Update already existing marginal density <code>target</code>. <br></td></tr>
117<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4176e4dc11980db4200b9fab54402a09"></a><!-- doxytag: member="bdm::emix::condition" ref="4176e4dc11980db4200b9fab54402a09" args="(const RV &amp;rv) const " -->
118<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#4176e4dc11980db4200b9fab54402a09">condition</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
119
120<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return conditional density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remaining rvs will be in conditioning. <br></td></tr>
121<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d9b584cb5b2471a4250fb127757f28be"></a><!-- doxytag: member="bdm::emix::_w" ref="d9b584cb5b2471a4250fb127757f28be" args="()" -->
122vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#d9b584cb5b2471a4250fb127757f28be">_w</a> ()</td></tr>
123
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns a pointer to the internal mean value. Use with Care! <br></td></tr>
125<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="579437ba18bf9975b3084e10bfe1b727"></a><!-- doxytag: member="bdm::emix::_Coms" ref="579437ba18bf9975b3084e10bfe1b727" args="(int i)" -->
126<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#579437ba18bf9975b3084e10bfe1b727">_Coms</a> (int i)</td></tr>
127
128<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
129<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="04a8632cfa9299ae937228eb732fd61e"></a><!-- doxytag: member="bdm::emix::set_rv" ref="04a8632cfa9299ae937228eb732fd61e" args="(const RV &amp;rv)" -->
130void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#04a8632cfa9299ae937228eb732fd61e">set_rv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>)</td></tr>
131
132<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name its rv. <br></td></tr>
133<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#fa9efc98a065b31c630fe18cc418f725">from_setting</a> (const Setting &amp;set)</td></tr>
134
135<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="af0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::emix::to_string" ref="af0e6941ba5919cae1bc530e2181b109" args="()" -->
136virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#af0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
137
138<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br></td></tr>
139<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::emix::to_setting" ref="67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
140virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#67d954d255ede776eade7334d4895790">to_setting</a> (Setting &amp;set) const </td></tr>
141
142<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br></td></tr>
143<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1c314bd6d6dacb8ba78ea5eb88fd9516"></a><!-- doxytag: member="bdm::emix::validate" ref="1c314bd6d6dacb8ba78ea5eb88fd9516" args="()" -->
144virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#1c314bd6d6dacb8ba78ea5eb88fd9516">validate</a> ()</td></tr>
145
146<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br></td></tr>
147<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
148<tr><td colspan="2"><div class="groupText">Construction of each <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> should support two types of constructors: <ul>
149<li>empty constructor, </li>
150<li>copy constructor,</li>
151</ul>
152The following constructors should be supported for convenience: <ul>
153<li>constructor followed by calling <code><a class="el" href="classbdm_1_1emix.html#10b4e0c45dd8f7d78f73e325382c6922" title="Set weights w and components Coms.">set_parameters()</a></code> </li>
154<li>constructor accepting random variables calling <code><a class="el" href="classbdm_1_1emix.html#04a8632cfa9299ae937228eb732fd61e" title="Name its rv.">set_rv()</a></code> </li>
155</ul>
156All internal data structures are constructed as empty. Their values (including sizes) will be set by method <code><a class="el" href="classbdm_1_1emix.html#10b4e0c45dd8f7d78f73e325382c6922" title="Set weights w and components Coms.">set_parameters()</a></code>. This way references can be initialized in constructors. <br><br></div></td></tr>
157<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="840de94aa33cf4f2ebd2427f45a165d8"></a><!-- doxytag: member="bdm::emix::set_parameters" ref="840de94aa33cf4f2ebd2427f45a165d8" args="(int dim0)" -->
158void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int dim0)</td></tr>
159
160<tr><td colspan="2"><div class="groupHeader">Matematical Operations</div></td></tr>
161<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b4cf45fd83cc7573ede9fe1215256058"></a><!-- doxytag: member="bdm::emix::sample_m" ref="b4cf45fd83cc7573ede9fe1215256058" args="(int N) const " -->
162virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#b4cf45fd83cc7573ede9fe1215256058">sample_m</a> (int N) const </td></tr>
163
164<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples, <img class="formulaInl" alt="$ [x_1 , x_2 , \ldots \ $" src="form_9.png"> from density <img class="formulaInl" alt="$ f_x(rv)$" src="form_10.png">. <br></td></tr>
165<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9bc02dae61584138443baf6b1cbc1ac9"></a><!-- doxytag: member="bdm::emix::evallog_m" ref="9bc02dae61584138443baf6b1cbc1ac9" args="(const Array&lt; vec &gt; &amp;Avec) const " -->
166virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#9bc02dae61584138443baf6b1cbc1ac9">evallog_m</a> (const Array&lt; vec &gt; &amp;Avec) const </td></tr>
167
168<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
169<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0a7705e80601957f7226d333a0a6d539"></a><!-- doxytag: member="bdm::emix::qbounds" ref="0a7705e80601957f7226d333a0a6d539" args="(vec &amp;lb, vec &amp;ub, double percentage=0.95) const " -->
170virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#0a7705e80601957f7226d333a0a6d539">qbounds</a> (vec &amp;lb, vec &amp;ub, double percentage=0.95) const </td></tr>
171
172<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Lower and upper bounds of <code>percentage</code> % quantile, returns mean-2*sigma as default. <br></td></tr>
173<tr><td colspan="2"><div class="groupHeader">Connection to other classes</div></td></tr>
174<tr><td colspan="2"><div class="groupText">Description of the random quantity via attribute <code>rv</code> is optional. For operations such as sampling <code>rv</code> does not need to be set. However, for <code>marginalization</code> and <code>conditioning</code> <code>rv</code> has to be set. NB: <br><br></div></td></tr>
175<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c4b863ff84c7a4882fb3ad18556027f9"></a><!-- doxytag: member="bdm::emix::isnamed" ref="c4b863ff84c7a4882fb3ad18556027f9" args="() const " -->
176bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#c4b863ff84c7a4882fb3ad18556027f9">isnamed</a> () const </td></tr>
177
178<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">True if rv is assigned. <br></td></tr>
179<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4ab378d5e004c3ff3e2d4e64f7bba21"></a><!-- doxytag: member="bdm::emix::_rv" ref="a4ab378d5e004c3ff3e2d4e64f7bba21" args="() const " -->
180const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a4ab378d5e004c3ff3e2d4e64f7bba21">_rv</a> () const </td></tr>
181
182<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return name (fails when isnamed is false). <br></td></tr>
183<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
184<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7083a65f7b7a0d0d13b2c516bd2ec29c"></a><!-- doxytag: member="bdm::emix::dimension" ref="7083a65f7b7a0d0d13b2c516bd2ec29c" args="() const " -->
185int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#7083a65f7b7a0d0d13b2c516bd2ec29c">dimension</a> () const </td></tr>
186
187<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Size of the random variable. <br></td></tr>
188<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
189<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bb7270345c76da627cd77ddf020bcf46"></a><!-- doxytag: member="bdm::emix::w" ref="bb7270345c76da627cd77ddf020bcf46" args="" -->
190vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46">w</a></td></tr>
191
192<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">weights of the components <br></td></tr>
193<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="866e75dacba151942ead95104e57a897"></a><!-- doxytag: member="bdm::emix::Coms" ref="866e75dacba151942ead95104e57a897" args="" -->
194Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt; &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1emix.html#866e75dacba151942ead95104e57a897">Coms</a></td></tr>
195
196<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Component (epdfs). <br></td></tr>
197<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="16adac20ec7fe07e1ea0b27d917788ce"></a><!-- doxytag: member="bdm::emix::dim" ref="16adac20ec7fe07e1ea0b27d917788ce" args="" -->
198int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce">dim</a></td></tr>
199
200<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the random variable <br></td></tr>
201<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="62c5b8ff71d9ebe6cd58d3c342eb1dc8"></a><!-- doxytag: member="bdm::emix::rv" ref="62c5b8ff71d9ebe6cd58d3c342eb1dc8" args="" -->
202<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a></td></tr>
203
204<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Description of the random variable. <br></td></tr>
205</table>
206<hr><a name="_details"></a><h2>Detailed Description</h2>
207Mixture of epdfs.
208<p>
209Density function: <p class="formulaDsp">
210<img class="formulaDsp" alt="\[ f(x) = \sum_{i=1}^{n} w_{i} f_i(x), \quad \sum_{i=1}^n w_i = 1. \]" src="form_64.png">
211<p>
212 where <img class="formulaInl" alt="$f_i(x)$" src="form_65.png"> is any density on random variable <img class="formulaInl" alt="$x$" src="form_1.png">, called <em>component</em>, <hr><h2>Member Function Documentation</h2>
213<a class="anchor" name="0f3db99f730bde6b7953931594537e8e"></a><!-- doxytag: member="bdm::emix::evallog" ref="0f3db99f730bde6b7953931594537e8e" args="(const vec &amp;val) const " -->
214<div class="memitem">
215<div class="memproto">
216      <table class="memname">
217        <tr>
218          <td class="memname">double bdm::emix::evallog           </td>
219          <td>(</td>
220          <td class="paramtype">const vec &amp;&nbsp;</td>
221          <td class="paramname"> <em>val</em>          </td>
222          <td>&nbsp;)&nbsp;</td>
223          <td> const<code> [inline, virtual]</code></td>
224        </tr>
225      </table>
226</div>
227<div class="memdoc">
228
229<p>
230Compute log-probability of argument <code>val</code> In case the argument is out of suport return -Infinity
231<p>Reimplemented from <a class="el" href="classbdm_1_1epdf.html#deab266d63c236c277538867d5c3f249">bdm::epdf</a>.</p>
232
233<p>References <a class="el" href="bdmerror_8h-source.html#l00047">bdm_assert_debug</a>, <a class="el" href="emix_8h-source.html#l00116">Coms</a>, and <a class="el" href="emix_8h-source.html#l00113">w</a>.</p>
234
235<p>Referenced by <a class="el" href="merger_8cpp-source.html#l00064">bdm::merger_mix::merge()</a>.</p>
236
237</div>
238</div><p>
239<a class="anchor" name="fa9efc98a065b31c630fe18cc418f725"></a><!-- doxytag: member="bdm::emix::from_setting" ref="fa9efc98a065b31c630fe18cc418f725" args="(const Setting &amp;set)" -->
240<div class="memitem">
241<div class="memproto">
242      <table class="memname">
243        <tr>
244          <td class="memname">void bdm::epdf::from_setting           </td>
245          <td>(</td>
246          <td class="paramtype">const Setting &amp;&nbsp;</td>
247          <td class="paramname"> <em>set</em>          </td>
248          <td>&nbsp;)&nbsp;</td>
249          <td><code> [inline, virtual, inherited]</code></td>
250        </tr>
251      </table>
252</div>
253<div class="memdoc">
254
255<p>
256Load from structure with elements: <div class="fragment"><pre class="fragment"> { <a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> = {<span class="keyword">class</span>=<span class="stringliteral">"RV"</span>, names=(...),}; <span class="comment">// RV describing meaning of random variable</span>
257   <span class="comment">// elements of offsprings</span>
258 }
259</pre></div> 
260<p>Reimplemented from <a class="el" href="classbdm_1_1root.html#0551e3121091c5199bf4413b50522176">bdm::root</a>.</p>
261
262<p>Reimplemented in <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; sq_T &gt;</a>, <a class="el" href="classbdm_1_1egiw.html#55b76ec75bd2df5ef9cab3be20a33bbb">bdm::egiw</a>, <a class="el" href="classbdm_1_1egamma.html#8a6fd1a1c0190f3e0d95a2a1f99aafc1">bdm::egamma</a>, <a class="el" href="classbdm_1_1euni.html#77f5fef1f006fe056066da23b9e5f042">bdm::euni</a>, <a class="el" href="classbdm_1_1merger__base.html#10dd390fc6f0d1733bb07cb51977160c">bdm::merger_base</a>, <a class="el" href="classbdm_1_1merger__mix.html#9f12b2c66344e25e6b3ef0255d000478">bdm::merger_mix</a>, <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; ldmat &gt;</a>, <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; chmat &gt;</a>, and <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; fsqmat &gt;</a>.</p>
263
264<p>References <a class="el" href="bdmbase_8h-source.html#l00357">bdm::epdf::set_rv()</a>.</p>
265
266</div>
267</div><p>
268<a class="anchor" name="10b4e0c45dd8f7d78f73e325382c6922"></a><!-- doxytag: member="bdm::emix::set_parameters" ref="10b4e0c45dd8f7d78f73e325382c6922" args="(const vec &amp;w, const Array&lt; shared_ptr&lt; epdf &gt; &gt; &amp;Coms)" -->
269<div class="memitem">
270<div class="memproto">
271      <table class="memname">
272        <tr>
273          <td class="memname">void bdm::emix::set_parameters           </td>
274          <td>(</td>
275          <td class="paramtype">const vec &amp;&nbsp;</td>
276          <td class="paramname"> <em>w</em>, </td>
277        </tr>
278        <tr>
279          <td class="paramkey"></td>
280          <td></td>
281          <td class="paramtype">const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt; &gt; &amp;&nbsp;</td>
282          <td class="paramname"> <em>Coms</em></td><td>&nbsp;</td>
283        </tr>
284        <tr>
285          <td></td>
286          <td>)</td>
287          <td></td><td></td><td></td>
288        </tr>
289      </table>
290</div>
291<div class="memdoc">
292
293<p>
294Set weights <code>w</code> and components <code>Coms</code>.
295<p>
296Shared pointers in Coms are kept inside this instance and shouldn't be modified after being passed to this method.
297<p>References <a class="el" href="bdmbase_8h-source.html#l00368">bdm::epdf::_rv()</a>, <a class="el" href="bdmerror_8h-source.html#l00047">bdm_assert_debug</a>, <a class="el" href="emix_8h-source.html#l00116">Coms</a>, <a class="el" href="bdmbase_8h-source.html#l00272">bdm::epdf::dim</a>, <a class="el" href="bdmbase_8h-source.html#l00378">bdm::epdf::dimension()</a>, <a class="el" href="bdmbase_8cpp-source.html#l00132">bdm::RV::equal()</a>, <a class="el" href="bdmbase_8h-source.html#l00362">bdm::epdf::isnamed()</a>, <a class="el" href="emix_8h-source.html#l00193">set_rv()</a>, and <a class="el" href="emix_8h-source.html#l00113">w</a>.</p>
298
299<p>Referenced by <a class="el" href="mixtures_8cpp-source.html#l00143">bdm::MixEF::epredictor()</a>, and <a class="el" href="emix_8cpp-source.html#l00045">marginal()</a>.</p>
300
301</div>
302</div><p>
303<hr>The documentation for this class was generated from the following files:<ul>
304<li><a class="el" href="emix_8h-source.html">emix.h</a><li>emix.cpp</ul>
305</div>
306<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 29 20:49:46 2009 for mixpp by&nbsp;
307<a href="http://www.doxygen.org/index.html">
308<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
309</body>
310</html>
Note: See TracBrowser for help on using the browser.