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64<h1>emix.h</h1><a href="emix_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
65<a name="l00013"></a>00013 <span class="preprocessor">#ifndef EMIX_H</span>
66<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define EMIX_H</span>
67<a name="l00015"></a>00015 <span class="preprocessor"></span>
68<a name="l00016"></a>00016 <span class="preprocessor">#define LOG2  0.69314718055995  </span>
69<a name="l00017"></a>00017 <span class="preprocessor"></span>
70<a name="l00018"></a>00018 <span class="preprocessor">#include "../shared_ptr.h"</span>
71<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="exp__family_8h.html" title="Probability distributions for Exponential Family models.">exp_family.h</a>"</span>
72<a name="l00020"></a>00020
73<a name="l00021"></a>00021 <span class="keyword">namespace </span>bdm {
74<a name="l00022"></a>00022
75<a name="l00023"></a>00023 <span class="comment">//this comes first because it is used inside emix!</span>
76<a name="l00024"></a>00024
77<a name="l00037"></a><a class="code" href="classbdm_1_1mratio.html">00037</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1mratio.html" title="Class representing ratio of two densities which arise e.g. by applying the Bayes...">mratio</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> {
78<a name="l00038"></a>00038 <span class="keyword">protected</span>:
79<a name="l00040"></a><a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54">00040</a>         <span class="keyword">const</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54" title="Nominator in the form of mpdf.">nom</a>;
80<a name="l00042"></a><a class="code" href="classbdm_1_1mratio.html#7daa5d02d3a3be9d15fd4156d886ed88">00042</a>         <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classbdm_1_1mratio.html#7daa5d02d3a3be9d15fd4156d886ed88" title="Denominator in the form of epdf.">den</a>;
81<a name="l00044"></a><a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8">00044</a>         <span class="keywordtype">bool</span> <a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8" title="flag for destructor">destroynom</a>;
82<a name="l00046"></a><a class="code" href="classbdm_1_1mratio.html#cda5bd23ba60146d69e1f804ff7710c7">00046</a>         <a class="code" href="classbdm_1_1datalink__m2e.html" title="Data link with a condition.">datalink_m2e</a> <a class="code" href="classbdm_1_1mratio.html#cda5bd23ba60146d69e1f804ff7710c7" title="datalink between conditional and nom">dl</a>;
83<a name="l00047"></a>00047 <span class="keyword">public</span>:
84<a name="l00050"></a><a class="code" href="classbdm_1_1mratio.html#0ff56d13f9515d7e5f23b7a4cc5529b4">00050</a>         <a class="code" href="classbdm_1_1mratio.html#0ff56d13f9515d7e5f23b7a4cc5529b4">mratio</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* nom0, <span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;rv, <span class="keywordtype">bool</span> copy=<span class="keyword">false</span> ) :<a class="code" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> ( ), <a class="code" href="classbdm_1_1mratio.html#cda5bd23ba60146d69e1f804ff7710c7" title="datalink between conditional and nom">dl</a> ( ) {
85<a name="l00051"></a>00051                 <span class="comment">// adjust rv and rvc</span>
86<a name="l00052"></a>00052                 <a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a> = nom0-&gt;<a class="code" href="classbdm_1_1epdf.html#a4ab378d5e004c3ff3e2d4e64f7bba21" title="Return name (fails when isnamed is false).">_rv</a>().<a class="code" href="classbdm_1_1RV.html#aec44dabdf0a6d90fbae95e1356eda39" title="Subtract another variable from the current one.">subt</a> ( rv );
87<a name="l00053"></a>00053                 <a class="code" href="classbdm_1_1mpdf.html#7c1900976ff13dbc09c9729b3bbff9e6" title="dimension of the condition">dimc</a> = <a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a>._dsize();
88<a name="l00054"></a>00054                 set_ep(<a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;epdf&gt;</a>(<span class="keyword">new</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>));
89<a name="l00055"></a>00055                 e()-&gt;set_parameters(rv._dsize());
90<a name="l00056"></a>00056                 e()-&gt;<a class="code" href="classbdm_1_1epdf.html#f423e28448dbb69ef4905295ec8de8ff" title="Name its rv.">set_rv</a>(rv);
91<a name="l00057"></a>00057                 
92<a name="l00058"></a>00058                 <span class="comment">//prepare data structures</span>
93<a name="l00059"></a>00059                 <span class="keywordflow">if</span> ( copy ) {it_error ( <span class="stringliteral">"todo"</span> ); <a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8" title="flag for destructor">destroynom</a>=<span class="keyword">true</span>; }
94<a name="l00060"></a>00060                 <span class="keywordflow">else</span> { <a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54" title="Nominator in the form of mpdf.">nom</a> = nom0; <a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8" title="flag for destructor">destroynom</a> = <span class="keyword">false</span>; }
95<a name="l00061"></a>00061                 it_assert_debug ( <a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a>.length() &gt;0,<span class="stringliteral">"Makes no sense to use this object!"</span> );               
96<a name="l00062"></a>00062                 
97<a name="l00063"></a>00063                 <span class="comment">// build denominator</span>
98<a name="l00064"></a>00064                 <a class="code" href="classbdm_1_1mratio.html#7daa5d02d3a3be9d15fd4156d886ed88" title="Denominator in the form of epdf.">den</a> = <a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54" title="Nominator in the form of mpdf.">nom</a>-&gt;<a class="code" href="classbdm_1_1epdf.html#3fb2ece54f720b62ad325e61214fa0a1" title="Return marginal density on the given RV, the remainig rvs are intergrated out.">marginal</a> ( <a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a> );
99<a name="l00065"></a>00065                 <a class="code" href="classbdm_1_1mratio.html#cda5bd23ba60146d69e1f804ff7710c7" title="datalink between conditional and nom">dl</a>.set_connection(rv,<a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a>,nom0-&gt;<a class="code" href="classbdm_1_1epdf.html#a4ab378d5e004c3ff3e2d4e64f7bba21" title="Return name (fails when isnamed is false).">_rv</a>());
100<a name="l00066"></a>00066         };
101<a name="l00067"></a><a class="code" href="classbdm_1_1mratio.html#3a2cbce8c61ca9f592d9c2220f7c1204">00067</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1mratio.html#3a2cbce8c61ca9f592d9c2220f7c1204" title="Shortcut for conditioning and evaluation of the internal epdf. In some cases, this...">evallogcond</a> ( <span class="keyword">const</span> vec &amp;val, <span class="keyword">const</span> vec &amp;cond ) {
102<a name="l00068"></a>00068                 <span class="keywordtype">double</span> tmp;
103<a name="l00069"></a>00069                 vec nom_val ( e()-&gt;dimension() + <a class="code" href="classbdm_1_1mpdf.html#7c1900976ff13dbc09c9729b3bbff9e6" title="dimension of the condition">dimc</a> );
104<a name="l00070"></a>00070                 <a class="code" href="classbdm_1_1mratio.html#cda5bd23ba60146d69e1f804ff7710c7" title="datalink between conditional and nom">dl</a>.pushup_cond ( nom_val,val,cond );
105<a name="l00071"></a>00071                 tmp = exp ( <a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54" title="Nominator in the form of mpdf.">nom</a>-&gt;<a class="code" href="classbdm_1_1epdf.html#deab266d63c236c277538867d5c3f249">evallog</a> ( nom_val ) - <a class="code" href="classbdm_1_1mratio.html#7daa5d02d3a3be9d15fd4156d886ed88" title="Denominator in the form of epdf.">den</a>-&gt;<a class="code" href="classbdm_1_1epdf.html#deab266d63c236c277538867d5c3f249">evallog</a> ( cond ) );
106<a name="l00072"></a>00072                 it_assert_debug ( std::isfinite ( tmp ),<span class="stringliteral">"Infinite value"</span> );
107<a name="l00073"></a>00073                 <span class="keywordflow">return</span> tmp;
108<a name="l00074"></a>00074         }
109<a name="l00076"></a><a class="code" href="classbdm_1_1mratio.html#c8b39fea586d4258bb3c881406edaf15">00076</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1mratio.html#c8b39fea586d4258bb3c881406edaf15" title="Object takes ownership of nom and will destroy it.">ownnom</a>() {<a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8" title="flag for destructor">destroynom</a>=<span class="keyword">true</span>;}
110<a name="l00078"></a><a class="code" href="classbdm_1_1mratio.html#c0cc0b25dbdc54751466616655454c5c">00078</a>         <a class="code" href="classbdm_1_1mratio.html#c0cc0b25dbdc54751466616655454c5c" title="Default destructor.">~mratio</a>() {<span class="keyword">delete</span> <a class="code" href="classbdm_1_1mratio.html#7daa5d02d3a3be9d15fd4156d886ed88" title="Denominator in the form of epdf.">den</a>; <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1mratio.html#51bfe6675e724f7fbeaaeacce5a9f9b8" title="flag for destructor">destroynom</a> ) {<span class="keyword">delete</span> <a class="code" href="classbdm_1_1mratio.html#f31caba90a2aa10fbf7631832404fe54" title="Nominator in the form of mpdf.">nom</a>;}}
111<a name="l00079"></a>00079 };
112<a name="l00080"></a>00080
113<a name="l00091"></a><a class="code" href="classbdm_1_1emix.html">00091</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> {
114<a name="l00092"></a>00092 <span class="keyword">protected</span>:
115<a name="l00094"></a><a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46">00094</a>         vec <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>;
116<a name="l00096"></a><a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e">00096</a>         Array&lt;epdf*&gt; <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>;
117<a name="l00098"></a><a class="code" href="classbdm_1_1emix.html#47189df41a4616c2fed5972f015743f4">00098</a>         <span class="keywordtype">bool</span> <a class="code" href="classbdm_1_1emix.html#47189df41a4616c2fed5972f015743f4" title="Flag if owning Coms.">destroyComs</a>;
118<a name="l00099"></a>00099 <span class="keyword">public</span>:
119<a name="l00101"></a><a class="code" href="classbdm_1_1emix.html#4838f3a376ee0bd3c658bfb8f4ea4a3d">00101</a>         <a class="code" href="classbdm_1_1emix.html#4838f3a376ee0bd3c658bfb8f4ea4a3d" title="Default constructor.">emix</a> ( ) : <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( ) {};
120<a name="l00104"></a>00104         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1emix.html#3a107a6b808a081389ef17af951c234a">set_parameters</a> ( <span class="keyword">const</span> vec &amp;<a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>, <span class="keyword">const</span> Array&lt;epdf*&gt; &amp;<a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>, <span class="keywordtype">bool</span> copy=<span class="keyword">false</span> );
121<a name="l00105"></a>00105
122<a name="l00106"></a>00106         vec <a class="code" href="classbdm_1_1emix.html#e8839dbbb0d1276a8dbe957a67cfe0dc" title="Returns a sample,  from density .">sample</a>() <span class="keyword">const</span>;
123<a name="l00107"></a><a class="code" href="classbdm_1_1emix.html#a3a5390bc56e81ef3b0debc0f185fa8a">00107</a>         vec <a class="code" href="classbdm_1_1emix.html#a3a5390bc56e81ef3b0debc0f185fa8a" title="return expected value">mean</a>()<span class="keyword"> const </span>{
124<a name="l00108"></a>00108                 <span class="keywordtype">int</span> i; vec mu = zeros ( <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
125<a name="l00109"></a>00109                 <span class="keywordflow">for</span> ( i = 0;i &lt; <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length();i++ ) {mu += <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a> ( i ) * <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i )-&gt;mean(); }
126<a name="l00110"></a>00110                 <span class="keywordflow">return</span> mu;
127<a name="l00111"></a>00111         }
128<a name="l00112"></a><a class="code" href="classbdm_1_1emix.html#e9a627023cdf90c9ffd8eef726595c86">00112</a>         vec <a class="code" href="classbdm_1_1emix.html#e9a627023cdf90c9ffd8eef726595c86" title="return expected variance (not covariance!)">variance</a>()<span class="keyword"> const </span>{
129<a name="l00113"></a>00113                 <span class="comment">//non-central moment</span>
130<a name="l00114"></a>00114                 vec mom2 = zeros ( <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
131<a name="l00115"></a>00115                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0;i &lt; <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length();i++ ) {mom2 += <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a> ( i ) * (<a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>(i)-&gt;variance() + pow ( <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i )-&gt;<a class="code" href="classbdm_1_1emix.html#a3a5390bc56e81ef3b0debc0f185fa8a" title="return expected value">mean</a>(),2 )); }
132<a name="l00116"></a>00116                 <span class="comment">//central moment</span>
133<a name="l00117"></a>00117                 <span class="keywordflow">return</span> mom2-pow ( <a class="code" href="classbdm_1_1emix.html#a3a5390bc56e81ef3b0debc0f185fa8a" title="return expected value">mean</a>(),2 );
134<a name="l00118"></a>00118         }
135<a name="l00119"></a><a class="code" href="classbdm_1_1emix.html#0f3db99f730bde6b7953931594537e8e">00119</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1emix.html#0f3db99f730bde6b7953931594537e8e">evallog</a> ( <span class="keyword">const</span> vec &amp;val )<span class="keyword"> const </span>{
136<a name="l00120"></a>00120                 <span class="keywordtype">int</span> i;
137<a name="l00121"></a>00121                 <span class="keywordtype">double</span> sum = 0.0;
138<a name="l00122"></a>00122                 <span class="keywordflow">for</span> ( i = 0;i &lt; <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length();i++ ) {sum += <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a> ( i ) * exp ( <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i )-&gt;<a class="code" href="classbdm_1_1emix.html#0f3db99f730bde6b7953931594537e8e">evallog</a> ( val ) );}
139<a name="l00123"></a>00123                 <span class="keywordflow">if</span> ( sum==0.0 ) {sum=std::numeric_limits&lt;double&gt;::epsilon();}
140<a name="l00124"></a>00124                 <span class="keywordtype">double</span> tmp=log ( sum );
141<a name="l00125"></a>00125                 it_assert_debug ( std::isfinite ( tmp ),<span class="stringliteral">"Infinite"</span> );
142<a name="l00126"></a>00126                 <span class="keywordflow">return</span> tmp;
143<a name="l00127"></a>00127         };
144<a name="l00128"></a><a class="code" href="classbdm_1_1emix.html#23af1986e2afcbc8c7e1c30f610e703b">00128</a>         vec <a class="code" href="classbdm_1_1emix.html#23af1986e2afcbc8c7e1c30f610e703b" title="Compute log-probability of multiple values argument val.">evallog_m</a> ( <span class="keyword">const</span> mat &amp;Val )<span class="keyword"> const </span>{
145<a name="l00129"></a>00129                 vec x=zeros ( Val.cols() );
146<a name="l00130"></a>00130                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length(); i++ ) {
147<a name="l00131"></a>00131                         x+= <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a> ( i ) *exp ( <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i )-&gt;<a class="code" href="classbdm_1_1emix.html#23af1986e2afcbc8c7e1c30f610e703b" title="Compute log-probability of multiple values argument val.">evallog_m</a> ( Val ) );
148<a name="l00132"></a>00132                 }
149<a name="l00133"></a>00133                 <span class="keywordflow">return</span> log ( x );
150<a name="l00134"></a>00134         };
151<a name="l00136"></a><a class="code" href="classbdm_1_1emix.html#e64c1d5a73f541e469792e23d4677af2">00136</a>         mat <a class="code" href="classbdm_1_1emix.html#e64c1d5a73f541e469792e23d4677af2" title="Auxiliary function that returns pdflog for each component.">evallog_M</a> ( <span class="keyword">const</span> mat &amp;Val )<span class="keyword"> const </span>{
152<a name="l00137"></a>00137                 mat X ( <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length(), Val.cols() );
153<a name="l00138"></a>00138                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>.length(); i++ ) {
154<a name="l00139"></a>00139                         X.set_row ( i, <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a> ( i ) *exp ( <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i )-&gt;<a class="code" href="classbdm_1_1emix.html#23af1986e2afcbc8c7e1c30f610e703b" title="Compute log-probability of multiple values argument val.">evallog_m</a> ( Val ) ) );
155<a name="l00140"></a>00140                 }
156<a name="l00141"></a>00141                 <span class="keywordflow">return</span> X;
157<a name="l00142"></a>00142         };
158<a name="l00143"></a>00143
159<a name="l00144"></a>00144         <a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>* <a class="code" href="classbdm_1_1emix.html#f7165371cc4f7be9292024b9f5431646" title="Return marginal density on the given RV, the remainig rvs are intergrated out.">marginal</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> ) <span class="keyword">const</span>;
160<a name="l00145"></a>00145         <a class="code" href="classbdm_1_1mratio.html" title="Class representing ratio of two densities which arise e.g. by applying the Bayes...">mratio</a>* <a class="code" href="classbdm_1_1emix.html#fc7772a2972959cf19ba26882feacecf" title="Return conditional density on the given RV, the remaining rvs will be in conditioning...">condition</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> ) <span class="keyword">const</span>; <span class="comment">//why not mratio!!</span>
161<a name="l00146"></a>00146
162<a name="l00147"></a>00147 <span class="comment">//Access methods</span>
163<a name="l00149"></a><a class="code" href="classbdm_1_1emix.html#d9b584cb5b2471a4250fb127757f28be">00149</a> <span class="comment"></span>        vec&amp; <a class="code" href="classbdm_1_1emix.html#d9b584cb5b2471a4250fb127757f28be" title="returns a pointer to the internal mean value. Use with Care!">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1emix.html#bb7270345c76da627cd77ddf020bcf46" title="weights of the components">w</a>;}
164<a name="l00150"></a>00150         <span class="keyword">virtual</span> ~<a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>() {<span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1emix.html#47189df41a4616c2fed5972f015743f4" title="Flag if owning Coms.">destroyComs</a> ) {<span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>.length();i++ ) {<span class="keyword">delete</span> <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i );}}}
165<a name="l00152"></a><a class="code" href="classbdm_1_1emix.html#965fb16669250a3d28bc62cf76276d8e">00152</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1emix.html#965fb16669250a3d28bc62cf76276d8e" title="Auxiliary function for taking ownership of the Coms().">ownComs</a>() {<a class="code" href="classbdm_1_1emix.html#47189df41a4616c2fed5972f015743f4" title="Flag if owning Coms.">destroyComs</a>=<span class="keyword">true</span>;}
166<a name="l00153"></a>00153
167<a name="l00155"></a><a class="code" href="classbdm_1_1emix.html#578616445243674438257be99ba71612">00155</a>         <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classbdm_1_1emix.html#578616445243674438257be99ba71612" title="access function">_Coms</a> ( <span class="keywordtype">int</span> i ) {<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a> ( i );}
168<a name="l00156"></a><a class="code" href="classbdm_1_1emix.html#04a8632cfa9299ae937228eb732fd61e">00156</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1emix.html#04a8632cfa9299ae937228eb732fd61e" title="Name its rv.">set_rv</a>(<span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a>){
169<a name="l00157"></a>00157                 <a class="code" href="classbdm_1_1emix.html#04a8632cfa9299ae937228eb732fd61e" title="Name its rv.">epdf::set_rv</a>(rv);
170<a name="l00158"></a>00158                 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>.length();i++){<a class="code" href="classbdm_1_1emix.html#e2966a6a44b250e22e55bc9fb6af5c3e" title="Component (epdfs).">Coms</a>(i)-&gt;set_rv(rv);}
171<a name="l00159"></a>00159         }
172<a name="l00160"></a>00160 };
173<a name="l00161"></a>00161
174<a name="l00162"></a>00162
175<a name="l00167"></a><a class="code" href="classbdm_1_1egiwmix.html">00167</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1egiwmix.html" title="Mixture of egiws.">egiwmix</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1egiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> {
176<a name="l00168"></a>00168 <span class="keyword">protected</span>:
177<a name="l00170"></a><a class="code" href="classbdm_1_1egiwmix.html#2deb6d7cd689949b92450227de98afa4">00170</a>         vec <a class="code" href="classbdm_1_1egiwmix.html#2deb6d7cd689949b92450227de98afa4" title="weights of the components">w</a>;
178<a name="l00172"></a><a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280">00172</a>         Array&lt;egiw*&gt; <a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a>;
179<a name="l00174"></a><a class="code" href="classbdm_1_1egiwmix.html#2a363169e5aa6c7cad1f4d7647fe9eec">00174</a>         <span class="keywordtype">bool</span> <a class="code" href="classbdm_1_1egiwmix.html#2a363169e5aa6c7cad1f4d7647fe9eec" title="Flag if owning Coms.">destroyComs</a>;
180<a name="l00175"></a>00175 <span class="keyword">public</span>:
181<a name="l00177"></a><a class="code" href="classbdm_1_1egiwmix.html#41f4cf7baf554e0a70bf495457179dbb">00177</a>         <a class="code" href="classbdm_1_1egiwmix.html#41f4cf7baf554e0a70bf495457179dbb" title="Default constructor.">egiwmix</a> ( ) : <a class="code" href="classbdm_1_1egiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> ( ) {};
182<a name="l00178"></a>00178
183<a name="l00181"></a>00181         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1egiwmix.html#c4627222e22df6e14f8f1496e13c4975">set_parameters</a> ( <span class="keyword">const</span> vec &amp;<a class="code" href="classbdm_1_1egiwmix.html#2deb6d7cd689949b92450227de98afa4" title="weights of the components">w</a>, <span class="keyword">const</span> Array&lt;egiw*&gt; &amp;<a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a>, <span class="keywordtype">bool</span> copy=<span class="keyword">false</span> );
184<a name="l00182"></a>00182
185<a name="l00184"></a>00184         vec <a class="code" href="classbdm_1_1egiwmix.html#74e7c77bd89a454a7fd984945c58df1c" title="return expected value">mean</a>() <span class="keyword">const</span>;
186<a name="l00185"></a>00185
187<a name="l00187"></a>00187         vec <a class="code" href="classbdm_1_1egiwmix.html#8bd92fb4c94a46220e84d9a39ddd2e28" title="return a sample from the density">sample</a>() <span class="keyword">const</span>;
188<a name="l00188"></a>00188
189<a name="l00190"></a>00190         vec <a class="code" href="classbdm_1_1egiwmix.html#96e1cfb7157b87f04e2957ca4d883425" title="return the expected variance">variance</a>() <span class="keyword">const</span>;
190<a name="l00191"></a>00191
191<a name="l00192"></a>00192         <span class="comment">// TODO!!! Defined to follow ANSI and/or for future development</span>
192<a name="l00193"></a>00193         <span class="keywordtype">void</span> mean_mat ( mat &amp;M, mat&amp;R )<span class="keyword"> const </span>{};
193<a name="l00194"></a><a class="code" href="classbdm_1_1egiwmix.html#5713da45d66410382d6eca4e1b05a132">00194</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1egiwmix.html#5713da45d66410382d6eca4e1b05a132" title="In this instance, val= [theta, r]. For multivariate instances, it is stored columnwise...">evallog_nn</a> ( <span class="keyword">const</span> vec &amp;val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> 0;};
194<a name="l00195"></a><a class="code" href="classbdm_1_1egiwmix.html#7c9bc72ecea861dd2416f852905bf023">00195</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1egiwmix.html#7c9bc72ecea861dd2416f852905bf023" title="logarithm of the normalizing constant, ">lognc</a> ()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 0;};
195<a name="l00196"></a>00196         <a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>* <a class="code" href="classbdm_1_1egiwmix.html#93d5e0abb98256a2cf7b557098f3f8ec" title="Return marginal density on the given RV, the remainig rvs are intergrated out.">marginal</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> ) <span class="keyword">const</span>;
196<a name="l00197"></a>00197
197<a name="l00198"></a>00198 <span class="comment">//Access methods</span>
198<a name="l00200"></a><a class="code" href="classbdm_1_1egiwmix.html#884d203ca3994b9fba4c8bd440f355ea">00200</a> <span class="comment"></span>        vec&amp; <a class="code" href="classbdm_1_1egiwmix.html#884d203ca3994b9fba4c8bd440f355ea" title="returns a pointer to the internal mean value. Use with Care!">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1egiwmix.html#2deb6d7cd689949b92450227de98afa4" title="weights of the components">w</a>;}
199<a name="l00201"></a>00201         <span class="keyword">virtual</span> ~<a class="code" href="classbdm_1_1egiwmix.html" title="Mixture of egiws.">egiwmix</a>() {<span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1egiwmix.html#2a363169e5aa6c7cad1f4d7647fe9eec" title="Flag if owning Coms.">destroyComs</a> ) {<span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a>.length();i++ ) {<span class="keyword">delete</span> <a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a> ( i );}}}
200<a name="l00203"></a><a class="code" href="classbdm_1_1egiwmix.html#adc550fe74df25524c20867e89b5b096">00203</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1egiwmix.html#adc550fe74df25524c20867e89b5b096" title="Auxiliary function for taking ownership of the Coms().">ownComs</a>() {<a class="code" href="classbdm_1_1egiwmix.html#2a363169e5aa6c7cad1f4d7647fe9eec" title="Flag if owning Coms.">destroyComs</a>=<span class="keyword">true</span>;}
201<a name="l00204"></a>00204
202<a name="l00206"></a><a class="code" href="classbdm_1_1egiwmix.html#d20a56a7b129c1ea9f71725e15f8ad8c">00206</a>         <a class="code" href="classbdm_1_1egiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a>* <a class="code" href="classbdm_1_1egiwmix.html#d20a56a7b129c1ea9f71725e15f8ad8c" title="access function">_Coms</a> ( <span class="keywordtype">int</span> i ) {<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a> ( i );}
203<a name="l00207"></a>00207
204<a name="l00208"></a><a class="code" href="classbdm_1_1egiwmix.html#dc999c5c1402c450200f22128db688b2">00208</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1egiwmix.html#dc999c5c1402c450200f22128db688b2" title="Name its rv.">set_rv</a>(<span class="keyword">const</span> <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a>){
205<a name="l00209"></a>00209                 <a class="code" href="classbdm_1_1egiwmix.html#dc999c5c1402c450200f22128db688b2" title="Name its rv.">egiw::set_rv</a>(rv);
206<a name="l00210"></a>00210                 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a>.length();i++){<a class="code" href="classbdm_1_1egiwmix.html#8d0a3acd6ced68349b8f9950f4658280" title="Component (epdfs).">Coms</a>(i)-&gt;set_rv(rv);}
207<a name="l00211"></a>00211         }
208<a name="l00212"></a>00212
209<a name="l00214"></a>00214         <a class="code" href="classbdm_1_1egiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a>* <a class="code" href="classbdm_1_1egiwmix.html#10894d50e82130cc5b93d3cbc30b2e4d" title="Approximation of a GiW mix by a single GiW pdf.">approx</a>();
210<a name="l00215"></a>00215 };
211<a name="l00216"></a>00216
212<a name="l00225"></a><a class="code" href="classbdm_1_1mprod.html">00225</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1mprod.html" title="Chain rule decomposition of epdf.">mprod</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1compositepdf.html" title="Chain rule of pdfs - abstract part common for mprod and merger. this abstract class...">compositepdf</a>, <span class="keyword">public</span> <a class="code" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> {
213<a name="l00226"></a>00226 <span class="keyword">protected</span>:
214<a name="l00228"></a><a class="code" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51">00228</a>         Array&lt;epdf*&gt; <a class="code" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51" title="pointers to epdfs - shortcut to mpdfs().posterior()">epdfs</a>;
215<a name="l00230"></a><a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f">00230</a>         Array&lt;datalink_m2m*&gt; <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a>;
216<a name="l00231"></a>00231
217<a name="l00233"></a><a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5">00233</a>         <a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;epdf&gt;</a> <a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5" title="dummy ep">dummy</a>;
218<a name="l00234"></a>00234
219<a name="l00235"></a>00235 <span class="keyword">public</span>:
220<a name="l00238"></a><a class="code" href="classbdm_1_1mprod.html#fed864cdd0e724d9133e6c6bfcacf94b">00238</a>         <a class="code" href="classbdm_1_1mprod.html#fed864cdd0e724d9133e6c6bfcacf94b" title="Constructor from list of mFacs,.">mprod</a>():<a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5" title="dummy ep">dummy</a>(new <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>()) { }
221<a name="l00239"></a>00239         <a class="code" href="classbdm_1_1mprod.html#fed864cdd0e724d9133e6c6bfcacf94b" title="Constructor from list of mFacs,.">mprod</a> (Array&lt;mpdf*&gt; mFacs):
222<a name="l00240"></a>00240             <a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5" title="dummy ep">dummy</a>(new <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>()) {
223<a name="l00241"></a>00241             set_elements(mFacs);
224<a name="l00242"></a>00242         }
225<a name="l00243"></a>00243
226<a name="l00244"></a>00244         <span class="keywordtype">void</span> set_elements(Array&lt;mpdf*&gt; mFacs , <span class="keywordtype">bool</span> own=<span class="keyword">false</span>) {
227<a name="l00245"></a>00245                 
228<a name="l00246"></a>00246                 compositepdf::set_elements(mFacs,own);
229<a name="l00247"></a>00247                 <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a>.set_size(mFacs.length());
230<a name="l00248"></a>00248                 <a class="code" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51" title="pointers to epdfs - shortcut to mpdfs().posterior()">epdfs</a>.set_size(mFacs.length());
231<a name="l00249"></a>00249                                 
232<a name="l00250"></a>00250                 set_ep(<a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5" title="dummy ep">dummy</a>);
233<a name="l00251"></a>00251                 RV rv=<a class="code" href="classbdm_1_1compositepdf.html#c73d39acc4378eee6a63155c3517d3c9" title="find common rv, flag">getrv</a> ( <span class="keyword">true</span> );
234<a name="l00252"></a>00252                 set_rv ( rv );
235<a name="l00253"></a>00253                 <a class="code" href="classbdm_1_1mprod.html#a8e758cab9b1a92928d8c93c921b6dc5" title="dummy ep">dummy</a>-&gt;set_parameters(rv._dsize());
236<a name="l00254"></a>00254                 <a class="code" href="classbdm_1_1compositepdf.html#c71fc2c51f49d797e61f479f543c75ce" title="common rvc of all mpdfs is written to rvc">setrvc</a>(e()-&gt;_rv(), <a class="code" href="classbdm_1_1mpdf.html#5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a>);
237<a name="l00255"></a>00255                 <span class="comment">// rv and rvc established = &gt; we can link them with mpdfs</span>
238<a name="l00256"></a>00256                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0;i &lt; <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
239<a name="l00257"></a>00257                         <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a> ( i ) = <span class="keyword">new</span> datalink_m2m;
240<a name="l00258"></a>00258                         <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a>(i)-&gt;set_connection( <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rv(), <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rvc(), _rv(), _rvc() );
241<a name="l00259"></a>00259                 }
242<a name="l00260"></a>00260
243<a name="l00261"></a>00261                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i&lt;<a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
244<a name="l00262"></a>00262                         <a class="code" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51" title="pointers to epdfs - shortcut to mpdfs().posterior()">epdfs</a>(i) = <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a>(i)-&gt;e();
245<a name="l00263"></a>00263                 }
246<a name="l00264"></a>00264         };
247<a name="l00265"></a>00265
248<a name="l00266"></a><a class="code" href="classbdm_1_1mprod.html#800f21d94c919137608a2fd5c88719e2">00266</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1mprod.html#800f21d94c919137608a2fd5c88719e2" title="Shortcut for conditioning and evaluation of the internal epdf. In some cases, this...">evallogcond</a> ( <span class="keyword">const</span> vec &amp;val, <span class="keyword">const</span> vec &amp;cond ) {
249<a name="l00267"></a>00267                 <span class="keywordtype">int</span> i;
250<a name="l00268"></a>00268                 <span class="keywordtype">double</span> res = 0.0;
251<a name="l00269"></a>00269                 <span class="keywordflow">for</span> ( i = <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a>.length() - 1;i &gt;= 0;i-- ) {
252<a name="l00270"></a>00270                         <span class="comment">/*                      if ( mpdfs(i)-&gt;_rvc().count() &gt;0) {</span>
253<a name="l00271"></a>00271 <span class="comment">                                                        mpdfs ( i )-&gt;condition ( dls ( i )-&gt;get_cond ( val,cond ) );</span>
254<a name="l00272"></a>00272 <span class="comment">                                                }</span>
255<a name="l00273"></a>00273 <span class="comment">                                                // add logarithms</span>
256<a name="l00274"></a>00274 <span class="comment">                                                res += epdfs ( i )-&gt;evallog ( dls ( i )-&gt;pushdown ( val ) );*/</span>
257<a name="l00275"></a>00275                         res += <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a> ( i )-&gt;evallogcond (
258<a name="l00276"></a>00276                                    <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a> ( i )-&gt;pushdown ( val ),
259<a name="l00277"></a>00277                                    <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a> ( i )-&gt;get_cond ( val, cond )
260<a name="l00278"></a>00278                                );
261<a name="l00279"></a>00279                 }
262<a name="l00280"></a>00280                 <span class="keywordflow">return</span> res;
263<a name="l00281"></a>00281         }
264<a name="l00282"></a><a class="code" href="classbdm_1_1mprod.html#e27b359d2572abfa4cc7d8f947848dab">00282</a>         vec <a class="code" href="classbdm_1_1mprod.html#e27b359d2572abfa4cc7d8f947848dab" title="Matrix version of evallogcond.">evallogcond_m</a>(<span class="keyword">const</span> mat &amp;Dt, <span class="keyword">const</span> vec &amp;cond) {
265<a name="l00283"></a>00283                 vec tmp(Dt.cols());
266<a name="l00284"></a>00284                 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;Dt.cols(); i++){
267<a name="l00285"></a>00285                         tmp(i) = <a class="code" href="classbdm_1_1mprod.html#800f21d94c919137608a2fd5c88719e2" title="Shortcut for conditioning and evaluation of the internal epdf. In some cases, this...">evallogcond</a>(Dt.get_col(i),cond);
268<a name="l00286"></a>00286                 }
269<a name="l00287"></a>00287                 <span class="keywordflow">return</span> tmp;
270<a name="l00288"></a>00288         };
271<a name="l00289"></a><a class="code" href="classbdm_1_1mprod.html#e8cdde6056fe20551be1fa460841f5e2">00289</a>         vec <a class="code" href="classbdm_1_1mprod.html#e8cdde6056fe20551be1fa460841f5e2" title="Array&amp;lt;vec&amp;gt; version of evallogcond.">evallogcond_m</a>(<span class="keyword">const</span> Array&lt;vec&gt; &amp;Dt, <span class="keyword">const</span> vec &amp;cond) {
272<a name="l00290"></a>00290                 vec tmp(Dt.length());
273<a name="l00291"></a>00291                 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;Dt.length(); i++){
274<a name="l00292"></a>00292                         tmp(i) = <a class="code" href="classbdm_1_1mprod.html#800f21d94c919137608a2fd5c88719e2" title="Shortcut for conditioning and evaluation of the internal epdf. In some cases, this...">evallogcond</a>(Dt(i),cond);
275<a name="l00293"></a>00293                 }
276<a name="l00294"></a>00294                 <span class="keywordflow">return</span> tmp;             
277<a name="l00295"></a>00295         };
278<a name="l00296"></a>00296
279<a name="l00297"></a>00297
280<a name="l00298"></a>00298         <span class="comment">//TODO smarter...</span>
281<a name="l00299"></a><a class="code" href="classbdm_1_1mprod.html#ee715a8013acf9892f6cb489db595555">00299</a>         vec <a class="code" href="classbdm_1_1mprod.html#ee715a8013acf9892f6cb489db595555" title="Returns a sample from the density conditioned on cond, .">samplecond</a> ( <span class="keyword">const</span> vec &amp;cond ) {
282<a name="l00301"></a>00301             vec smp= std::numeric_limits&lt;double&gt;::infinity() * ones ( e()-&gt;dimension() );
283<a name="l00302"></a>00302                 vec smpi;
284<a name="l00303"></a>00303                 <span class="comment">// Hard assumption here!!! We are going backwards, to assure that samples that are needed from smp are already generated!</span>
285<a name="l00304"></a>00304                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = ( <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a>.length() - 1 );i &gt;= 0;i-- ) {
286<a name="l00305"></a>00305                         <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a> ( i )-&gt;dimensionc() ) {
287<a name="l00306"></a>00306                                 <a class="code" href="classbdm_1_1compositepdf.html#23faf2debc4dde10836393b8c665914a" title="Elements of composition.">mpdfs</a> ( i )-&gt;condition ( <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a> ( i )-&gt;get_cond ( smp ,cond ) ); <span class="comment">// smp is val here!!</span>
288<a name="l00307"></a>00307                         }
289<a name="l00308"></a>00308                         smpi = <a class="code" href="classbdm_1_1mprod.html#eca722ed1b219727c6c0f8cbc6bf1e51" title="pointers to epdfs - shortcut to mpdfs().posterior()">epdfs</a> ( i )-&gt;sample();
290<a name="l00309"></a>00309                         <span class="comment">// copy contribution of this pdf into smp</span>
291<a name="l00310"></a>00310                         <a class="code" href="classbdm_1_1mprod.html#acf679b3b1d48629c5a042d9ac0d973f" title="Data link for each mpdfs.">dls</a> ( i )-&gt;pushup ( smp, smpi );
292<a name="l00311"></a>00311                         <span class="comment">// add ith likelihood contribution</span>
293<a name="l00312"></a>00312                 }
294<a name="l00313"></a>00313                 <span class="keywordflow">return</span> smp;
295<a name="l00314"></a>00314         }
296<a name="l00315"></a>00315         mat <a class="code" href="classbdm_1_1mprod.html#ee715a8013acf9892f6cb489db595555" title="Returns a sample from the density conditioned on cond, .">samplecond</a> ( <span class="keyword">const</span> vec &amp;cond,  <span class="keywordtype">int</span> N ) {
297<a name="l00316"></a>00316                 mat Smp ( dimension(),N );
298<a name="l00317"></a>00317                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;N;i++ ) {Smp.set_col ( i,<a class="code" href="classbdm_1_1mprod.html#ee715a8013acf9892f6cb489db595555" title="Returns a sample from the density conditioned on cond, .">samplecond</a> ( cond ) );}
299<a name="l00318"></a>00318                 <span class="keywordflow">return</span> Smp;
300<a name="l00319"></a>00319         }
301<a name="l00320"></a>00320
302<a name="l00321"></a>00321         ~<a class="code" href="classbdm_1_1mprod.html#fed864cdd0e724d9133e6c6bfcacf94b" title="Constructor from list of mFacs,.">mprod</a>() {};
303<a name="l00329"></a><a class="code" href="classbdm_1_1mprod.html#bfa7478f8df1de6d8cd4c349db512831">00329</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1mprod.html#bfa7478f8df1de6d8cd4c349db512831">from_setting</a>(<span class="keyword">const</span> Setting &amp;<span class="keyword">set</span>){
304<a name="l00330"></a>00330                 Array&lt;mpdf*&gt; Atmp; <span class="comment">//temporary Array</span>
305<a name="l00331"></a>00331                 <a class="code" href="classbdm_1_1UI.html#cd1667e6fec99ec64dabcb3ca2ff922d">UI::get</a>(Atmp,<span class="keyword">set</span>, <span class="stringliteral">"mpdfs"</span>, UI::compulsory);
306<a name="l00332"></a>00332                 set_elements(Atmp,<span class="keyword">true</span>);
307<a name="l00333"></a>00333         }
308<a name="l00334"></a>00334         
309<a name="l00335"></a>00335 };
310<a name="l00336"></a>00336 <a class="code" href="user__info_8h.html#4f9de2f17e844047726487b99def99c6" title="Macro for registration of class into map of user-infos, registered class is scriptable...">UIREGISTER</a>(mprod);
311<a name="l00337"></a>00337
312<a name="l00339"></a><a class="code" href="classbdm_1_1eprod.html">00339</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1eprod.html" title="Product of independent epdfs. For dependent pdfs, use mprod.">eprod</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> {
313<a name="l00340"></a>00340 <span class="keyword">protected</span>:
314<a name="l00342"></a><a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391">00342</a>         Array&lt;const epdf*&gt; <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>;
315<a name="l00344"></a><a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43">00344</a>         Array&lt;datalink*&gt; <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a>;
316<a name="l00345"></a>00345 <span class="keyword">public</span>:
317<a name="l00346"></a>00346         <a class="code" href="classbdm_1_1eprod.html" title="Product of independent epdfs. For dependent pdfs, use mprod.">eprod</a> () : <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( 0 ),<a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( 0 ) {};
318<a name="l00347"></a>00347         <span class="keywordtype">void</span> set_parameters ( <span class="keyword">const</span> Array&lt;const epdf*&gt; &amp;epdfs0, <span class="keywordtype">bool</span> named=<span class="keyword">true</span> ) {
319<a name="l00348"></a>00348                 <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>=epdfs0;<span class="comment">//.set_length ( epdfs0.length() );</span>
320<a name="l00349"></a>00349                 <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a>.set_length ( <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length() );
321<a name="l00350"></a>00350
322<a name="l00351"></a>00351                 <span class="keywordtype">bool</span> independent=<span class="keyword">true</span>;
323<a name="l00352"></a>00352                 <span class="keywordflow">if</span> ( named ) {
324<a name="l00353"></a>00353                         <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
325<a name="l00354"></a>00354                                 independent=rv.add ( <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;<a class="code" href="classbdm_1_1epdf.html#a4ab378d5e004c3ff3e2d4e64f7bba21" title="Return name (fails when isnamed is false).">_rv</a>() );
326<a name="l00355"></a>00355                                 it_assert_debug ( independent==<span class="keyword">true</span>, <span class="stringliteral">"eprod:: given components are not independent."</span> );
327<a name="l00356"></a>00356                         }
328<a name="l00357"></a>00357                         <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a>=rv._dsize();
329<a name="l00358"></a>00358                 }
330<a name="l00359"></a>00359                 <span class="keywordflow">else</span> {
331<a name="l00360"></a>00360                         <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> =0; <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
332<a name="l00361"></a>00361                                 <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a>+=<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;dimension();
333<a name="l00362"></a>00362                         }
334<a name="l00363"></a>00363                 }
335<a name="l00364"></a>00364                 <span class="comment">//</span>
336<a name="l00365"></a>00365                 <span class="keywordtype">int</span> cumdim=0;
337<a name="l00366"></a>00366                 <span class="keywordtype">int</span> dimi=0;
338<a name="l00367"></a>00367                 <span class="keywordtype">int</span> i;
339<a name="l00368"></a>00368                 <span class="keywordflow">for</span> ( i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
340<a name="l00369"></a>00369                         <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i ) = <span class="keyword">new</span> datalink;
341<a name="l00370"></a>00370                         <span class="keywordflow">if</span> ( named ) {<a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;set_connection ( <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;<a class="code" href="classbdm_1_1epdf.html#a4ab378d5e004c3ff3e2d4e64f7bba21" title="Return name (fails when isnamed is false).">_rv</a>() , rv );}
342<a name="l00371"></a>00371                         <span class="keywordflow">else</span> {
343<a name="l00372"></a>00372                                 dimi = <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;dimension();
344<a name="l00373"></a>00373                                 <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;set_connection ( dimi, <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a>, linspace ( cumdim,cumdim+dimi-1 ) );
345<a name="l00374"></a>00374                                 cumdim+=dimi;
346<a name="l00375"></a>00375                         }
347<a name="l00376"></a>00376                 }
348<a name="l00377"></a>00377         }
349<a name="l00378"></a>00378
350<a name="l00379"></a><a class="code" href="classbdm_1_1eprod.html#1d494351e7e385ad3382387c96915d24">00379</a>         vec <a class="code" href="classbdm_1_1eprod.html#1d494351e7e385ad3382387c96915d24" title="return expected value">mean</a>()<span class="keyword"> const </span>{
351<a name="l00380"></a>00380                 vec tmp ( <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
352<a name="l00381"></a>00381                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
353<a name="l00382"></a>00382                         vec pom = <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;mean();
354<a name="l00383"></a>00383                         <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;pushup ( tmp, pom );
355<a name="l00384"></a>00384                 }
356<a name="l00385"></a>00385                 <span class="keywordflow">return</span> tmp;
357<a name="l00386"></a>00386         }
358<a name="l00387"></a><a class="code" href="classbdm_1_1eprod.html#cc53a151f5ac5dfba68d425acc3a5615">00387</a>         vec <a class="code" href="classbdm_1_1eprod.html#cc53a151f5ac5dfba68d425acc3a5615" title="return expected variance (not covariance!)">variance</a>()<span class="keyword"> const </span>{
359<a name="l00388"></a>00388                 vec tmp ( <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> ); <span class="comment">//second moment</span>
360<a name="l00389"></a>00389                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
361<a name="l00390"></a>00390                         vec pom = <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;mean();
362<a name="l00391"></a>00391                         <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;pushup ( tmp, pow ( pom,2 ) );
363<a name="l00392"></a>00392                 }
364<a name="l00393"></a>00393                 <span class="keywordflow">return</span> tmp-pow ( <a class="code" href="classbdm_1_1eprod.html#1d494351e7e385ad3382387c96915d24" title="return expected value">mean</a>(),2 );
365<a name="l00394"></a>00394         }
366<a name="l00395"></a><a class="code" href="classbdm_1_1eprod.html#af48debea25d3473bcb71b6a77fac741">00395</a>         vec <a class="code" href="classbdm_1_1eprod.html#af48debea25d3473bcb71b6a77fac741" title="Returns a sample,  from density .">sample</a>()<span class="keyword"> const </span>{
367<a name="l00396"></a>00396                 vec tmp ( <a class="code" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
368<a name="l00397"></a>00397                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
369<a name="l00398"></a>00398                         vec pom = <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;sample();
370<a name="l00399"></a>00399                         <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;pushup ( tmp, pom );
371<a name="l00400"></a>00400                 }
372<a name="l00401"></a>00401                 <span class="keywordflow">return</span> tmp;
373<a name="l00402"></a>00402         }
374<a name="l00403"></a><a class="code" href="classbdm_1_1eprod.html#a5a91e67d2f74ff2b0b8eecde2fa42e2">00403</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1eprod.html#a5a91e67d2f74ff2b0b8eecde2fa42e2">evallog</a> ( <span class="keyword">const</span> vec &amp;val )<span class="keyword"> const </span>{
375<a name="l00404"></a>00404                 <span class="keywordtype">double</span> tmp=0;
376<a name="l00405"></a>00405                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {
377<a name="l00406"></a>00406                         tmp+=<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i )-&gt;evallog ( <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i )-&gt;pushdown ( val ) );
378<a name="l00407"></a>00407                 }
379<a name="l00408"></a>00408                 it_assert_debug ( std::isfinite ( tmp ),<span class="stringliteral">"Infinite"</span> );
380<a name="l00409"></a>00409                 <span class="keywordflow">return</span> tmp;
381<a name="l00410"></a>00410         }
382<a name="l00412"></a><a class="code" href="classbdm_1_1eprod.html#5194b47dd05a5886e0745250b6704953">00412</a>         <span class="keyword">const</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classbdm_1_1eprod.html#5194b47dd05a5886e0745250b6704953" title="access function">operator () </a>( <span class="keywordtype">int</span> i )<span class="keyword"> const </span>{it_assert_debug ( i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length(),<span class="stringliteral">"wrong index"</span> );<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a> ( i );}
383<a name="l00413"></a>00413
384<a name="l00415"></a><a class="code" href="classbdm_1_1eprod.html#708b37971aab3667f20e325c358632cf">00415</a>         <a class="code" href="classbdm_1_1eprod.html#708b37971aab3667f20e325c358632cf" title="Destructor.">~eprod</a>() {<span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i&lt;<a class="code" href="classbdm_1_1eprod.html#fa0b0981730f0a8339b9ff3e29d78391" title="Components (epdfs).">epdfs</a>.length();i++ ) {<span class="keyword">delete</span> <a class="code" href="classbdm_1_1eprod.html#6b5a9be71a644f6009e7beda6c762a43" title="Array of indeces.">dls</a> ( i );}}
385<a name="l00416"></a>00416 };
386<a name="l00417"></a>00417
387<a name="l00418"></a>00418
388<a name="l00422"></a><a class="code" href="classbdm_1_1mmix.html">00422</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1mmix.html" title="Mixture of mpdfs with constant weights, all mpdfs are of equal type.">mmix</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> {
389<a name="l00423"></a>00423 <span class="keyword">protected</span>:
390<a name="l00425"></a><a class="code" href="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c">00425</a>         Array&lt;mpdf*&gt; <a class="code" href="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c" title="Component (epdfs).">Coms</a>;
391<a name="l00426"></a>00426
392<a name="l00428"></a><a class="code" href="classbdm_1_1mmix.html#e83f03cf2c9383651881c2f235a27365">00428</a>         <a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;emix&gt;</a> <a class="code" href="classbdm_1_1mmix.html#e83f03cf2c9383651881c2f235a27365" title="Internal epdf.">iepdf</a>;
393<a name="l00429"></a>00429
394<a name="l00430"></a>00430 <span class="keyword">public</span>:
395<a name="l00432"></a><a class="code" href="classbdm_1_1mmix.html#a0cf51b7daeb6751103e94e6b96213fb">00432</a>         <a class="code" href="classbdm_1_1mmix.html#a0cf51b7daeb6751103e94e6b96213fb" title="Default constructor.">mmix</a>():<a class="code" href="classbdm_1_1mmix.html#e83f03cf2c9383651881c2f235a27365" title="Internal epdf.">iepdf</a>(new <a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>()) {
396<a name="l00433"></a>00433             set_ep(<a class="code" href="classbdm_1_1mmix.html#e83f03cf2c9383651881c2f235a27365" title="Internal epdf.">iepdf</a>);
397<a name="l00434"></a>00434         }
398<a name="l00435"></a>00435
399<a name="l00437"></a><a class="code" href="classbdm_1_1mmix.html#ad8d9df36cb0ca093a29af0eca12da32">00437</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1mmix.html#ad8d9df36cb0ca093a29af0eca12da32" 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="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c" title="Component (epdfs).">Coms</a> ) {
400<a name="l00438"></a>00438                 Array&lt;epdf*&gt; Eps ( Coms.length() );
401<a name="l00439"></a>00439
402<a name="l00440"></a>00440                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0;i &lt; Coms.length();i++ ) {
403<a name="l00441"></a>00441                         Eps(i) = <a class="code" href="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c" title="Component (epdfs).">Coms</a>(i)-&gt;e();
404<a name="l00442"></a>00442                 }
405<a name="l00443"></a>00443
406<a name="l00444"></a>00444                 <a class="code" href="classbdm_1_1mmix.html#e83f03cf2c9383651881c2f235a27365" title="Internal epdf.">iepdf</a>-&gt;set_parameters(w, Eps);
407<a name="l00445"></a>00445         }
408<a name="l00446"></a>00446
409<a name="l00447"></a><a class="code" href="classbdm_1_1mmix.html#0a5241ecc9911e816b00b92d5c7c8df0">00447</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1mmix.html#0a5241ecc9911e816b00b92d5c7c8df0" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &amp;cond ) {
410<a name="l00448"></a>00448                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0;i &lt; <a class="code" href="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c" title="Component (epdfs).">Coms</a>.length();i++ ) {<a class="code" href="classbdm_1_1mmix.html#52e0bcc70d5b26babeba08097579da9c" title="Component (epdfs).">Coms</a> ( i )-&gt;condition ( cond );}
411<a name="l00449"></a>00449         };
412<a name="l00450"></a>00450 };
413<a name="l00451"></a>00451
414<a name="l00452"></a>00452 }
415<a name="l00453"></a>00453 <span class="preprocessor">#endif //MX_H</span>
416</pre></div></div>
417<hr size="1"><address style="text-align: right;"><small>Generated on Wed Aug 5 00:06:47 2009 for mixpp by&nbsp;
418<a href="http://www.doxygen.org/index.html">
419<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
420</body>
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