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08/18/08 14:27:50 (16 years ago)
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  • doc/html/emix_8h-source.html

    r106 r139  
    55<link href="tabs.css" rel="stylesheet" type="text/css"> 
    66</head><body> 
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    … …  
    3030<a name="l00037"></a><a class="code" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4">00037</a>         Array&lt;epdf*&gt; <a class="code" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4" title="Component (epdfs).">Coms</a>; 
    3131<a name="l00038"></a>00038 <span class="keyword">public</span>: 
    32 <a name="l00040"></a><a class="code" href="classemix.html#3a10c8481115a5460877272ddb6532a6">00040</a>         <a class="code" href="classemix.html#3a10c8481115a5460877272ddb6532a6" title="Default constructor.">emix</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ): <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>(rv){}; 
     32<a name="l00040"></a><a class="code" href="classemix.html#3a10c8481115a5460877272ddb6532a6">00040</a>         <a class="code" href="classemix.html#3a10c8481115a5460877272ddb6532a6" title="Default constructor.">emix</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ) : <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv ) {}; 
    3333<a name="l00042"></a>00042         <span class="keywordtype">void</span> <a class="code" href="classemix.html#6ce82b24d7fe540ddbf44b472a005555" title="Set weights w and components R.">set_parameters</a> ( <span class="keyword">const</span> vec &amp;<a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a>, <span class="keyword">const</span> Array&lt;epdf*&gt; &amp;<a class="code" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4" title="Component (epdfs).">Coms</a> ); 
    3434<a name="l00043"></a>00043  
    … …  
    3939<a name="l00048"></a>00048                 <span class="keywordflow">return</span> mu; 
    4040<a name="l00049"></a>00049         } 
    41 <a name="l00050"></a><a class="code" href="classemix.html#469e910479b3402589104ef3bb1b5741">00050</a>         <span class="keywordtype">double</span> <a class="code" href="classemix.html#469e910479b3402589104ef3bb1b5741" title="Compute log-probability of argument val.">evalpdflog</a> ( <span class="keyword">const</span> vec &amp;val )<span class="keyword"> const </span>{<span class="keywordtype">int</span> i; <span class="keywordtype">double</span> sum=0.0; <span class="keywordflow">for</span> ( i=0;i&lt;<a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a>.length();i++ ) {sum+=<a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a> ( i ) *<a class="code" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4" title="Component (epdfs).">Coms</a> ( i )-&gt;evalpdflog ( val );} <span class="keywordflow">return</span> log ( sum );}; 
    42 <a name="l00051"></a>00051  
    43 <a name="l00052"></a>00052 <span class="comment">//Access methods</span> 
    44 <a name="l00054"></a><a class="code" href="classemix.html#35baf0f62307455cebfbf462144b4dd8">00054</a> <span class="comment"></span>        vec&amp; <a class="code" href="classemix.html#35baf0f62307455cebfbf462144b4dd8" title="returns a pointer to the internal mean value. Use with Care!">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a>;} 
    45 <a name="l00055"></a>00055 }; 
     41<a name="l00050"></a><a class="code" href="classemix.html#469e910479b3402589104ef3bb1b5741">00050</a>         <span class="keywordtype">double</span> <a class="code" href="classemix.html#469e910479b3402589104ef3bb1b5741" title="Compute log-probability of argument val.">evalpdflog</a> ( <span class="keyword">const</span> vec &amp;val )<span class="keyword"> const </span>{ 
     42<a name="l00051"></a>00051                 <span class="keywordtype">int</span> i; 
     43<a name="l00052"></a>00052                 <span class="keywordtype">double</span> sum=0.0; 
     44<a name="l00053"></a>00053                 <span class="keywordflow">for</span> ( i=0;i&lt;<a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a>.length();i++ ) {sum+=<a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a> ( i ) *<a class="code" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4" title="Component (epdfs).">Coms</a> ( i )-&gt;evalpdflog ( val );} 
     45<a name="l00054"></a>00054                 <span class="keywordflow">return</span> log ( sum ); 
     46<a name="l00055"></a>00055         }; 
    4647<a name="l00056"></a>00056  
    47 <a name="l00057"></a>00057  
    48 <a name="l00058"></a>00058 <span class="preprocessor">#endif //MX_H</span> 
     48<a name="l00057"></a>00057 <span class="comment">//Access methods</span> 
     49<a name="l00059"></a><a class="code" href="classemix.html#35baf0f62307455cebfbf462144b4dd8">00059</a> <span class="comment"></span>        vec&amp; <a class="code" href="classemix.html#35baf0f62307455cebfbf462144b4dd8" title="returns a pointer to the internal mean value. Use with Care!">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab" title="weights of the components">w</a>;} 
     50<a name="l00060"></a>00060 }; 
     51<a name="l00061"></a>00061  
     52<a name="l00066"></a><a class="code" href="classeprod.html">00066</a> <span class="keyword">class </span><a class="code" href="classeprod.html" title="Chain rule decomposition of epdf.">eprod</a>: <span class="keyword">public</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> { 
     53<a name="l00067"></a>00067 <span class="keyword">protected</span>: 
     54<a name="l00068"></a>00068         Array&lt;epdf*&gt; epdfs; 
     55<a name="l00069"></a>00069         Array&lt;mpdf*&gt; mpdfs; 
     56<a name="l00070"></a>00070 <span class="keyword">public</span>: 
     57<a name="l00071"></a>00071  
     58<a name="l00072"></a>00072  
     59<a name="l00073"></a>00073 }; 
     60<a name="l00074"></a>00074  
     61<a name="l00078"></a><a class="code" href="classmmix.html">00078</a> <span class="keyword">class </span><a class="code" href="classmmix.html" title="Mixture of mpdfs with constant weights.">mmix</a> : <span class="keyword">public</span> <a class="code" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> { 
     62<a name="l00079"></a>00079 <span class="keyword">protected</span>: 
     63<a name="l00081"></a><a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f">00081</a>         Array&lt;mpdf*&gt; <a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a>; 
     64<a name="l00083"></a><a class="code" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914">00083</a>         <a class="code" href="classemix.html" title="Mixture of epdfs.">emix</a> <a class="code" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914" title="Internal epdf.">Epdf</a>; 
     65<a name="l00084"></a>00084 <span class="keyword">public</span>: 
     66<a name="l00086"></a><a class="code" href="classmmix.html#6769a962f1f4d0ecc5b903b5f7d26ad3">00086</a>         <a class="code" href="classmmix.html#6769a962f1f4d0ecc5b903b5f7d26ad3" title="Default constructor.">mmix</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>, <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ) : <a class="code" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> ( rv, rvc ), <a class="code" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914" title="Internal epdf.">Epdf</a> ( rv ) {<a class="code" href="classmpdf.html#7aa894208a32f3487827df6d5054424c" title="pointer to internal epdf">ep</a>=&amp;<a class="code" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914" title="Internal epdf.">Epdf</a>;}; 
     67<a name="l00088"></a><a class="code" href="classmmix.html#e7681490a5c5b2d0a43f4e5842e10a9d">00088</a>         <span class="keywordtype">void</span> <a class="code" href="classmmix.html#e7681490a5c5b2d0a43f4e5842e10a9d" title="Set weights w and components R.">set_parameters</a> ( <span class="keyword">const</span> vec &amp;w, <span class="keyword">const</span> Array&lt;mpdf*&gt; &amp;<a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a> ) { 
     68<a name="l00089"></a>00089                 Array&lt;epdf*&gt; Eps ( Coms.length()); 
     69<a name="l00090"></a>00090  
     70<a name="l00091"></a>00091                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;Coms.length();i++ ) {<a class="code" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a>* Ci=<a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a>(i); 
     71<a name="l00092"></a>00092                  Eps ( i ) =&amp; ( <a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a> ( i )-&gt;_epdf() );} 
     72<a name="l00093"></a>00093                 <a class="code" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914" title="Internal epdf.">Epdf</a>.<a class="code" href="classemix.html#6ce82b24d7fe540ddbf44b472a005555" title="Set weights w and components R.">set_parameters</a> ( w,Eps ); 
     73<a name="l00094"></a>00094         }; 
     74<a name="l00095"></a>00095  
     75<a name="l00096"></a><a class="code" href="classmmix.html#1a66629ec5c2b6f4740606cf737f0193">00096</a>         <span class="keywordtype">void</span> <a class="code" href="classmmix.html#1a66629ec5c2b6f4740606cf737f0193" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &amp;cond ) { 
     76<a name="l00097"></a>00097                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a>.length();i++ ) {<a class="code" href="classmmix.html#460632c7a0afd41b7840902181a7d85f" title="Component (epdfs).">Coms</a> ( i )-&gt;condition ( cond );} 
     77<a name="l00098"></a>00098         }; 
     78<a name="l00099"></a>00099 }; 
     79<a name="l00100"></a>00100 <span class="preprocessor">#endif //MX_H</span> 
    4980</pre></div></div> 
    50 <hr size="1"><address style="text-align: right;"><small>Generated on Fri May 9 23:06:27 2008 for mixpp by&nbsp; 
     81<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 16 11:58:41 2008 for mixpp by&nbsp; 
    5182<a href="http://www.doxygen.org/index.html"> 
    52 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address> 
     83<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> 
    5384</body> 
    5485</html>