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17<h1>work/mixpp/bdm/estim/arx.h</h1><a href="estim_2arx_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
18<a name="l00013"></a>00013 <span class="preprocessor">#ifndef AR_H</span>
19<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define AR_H</span>
20<a name="l00015"></a>00015 <span class="preprocessor"></span>
21<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;itpp/itbase.h&gt;</span>
22<a name="l00017"></a>00017 <span class="preprocessor">#include "../stat/libFN.h"</span>
23<a name="l00018"></a>00018 <span class="preprocessor">#include "../stat/libEF.h"</span>
24<a name="l00019"></a>00019
25<a name="l00020"></a>00020 <span class="keyword">using namespace </span>itpp;
26<a name="l00021"></a>00021
27<a name="l00036"></a><a class="code" href="classARX.html">00036</a> <span class="keyword">class </span><a class="code" href="classARX.html" title="Linear Autoregressive model with Gaussian noise.">ARX</a>: <span class="keyword">public</span> <a class="code" href="classBM.html" title="Bayesian Model of the world, i.e. all uncertainty is modeled by probabilities.">BM</a> {
28<a name="l00037"></a>00037 <span class="keyword">protected</span>:
29<a name="l00039"></a><a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e">00039</a>         <a class="code" href="classegiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> <a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>;
30<a name="l00041"></a><a class="code" href="classARX.html#2291297861dd74ca0175a01f910a0ef7">00041</a>         <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;<a class="code" href="classARX.html#2291297861dd74ca0175a01f910a0ef7" title="cached value of est.V">V</a>;
31<a name="l00043"></a><a class="code" href="classARX.html#a4182c281098b2d86b62518a7493d9be">00043</a>         <span class="keywordtype">double</span> &amp;<a class="code" href="classARX.html#a4182c281098b2d86b62518a7493d9be" title="cached value of est.nu">nu</a>;
32<a name="l00045"></a><a class="code" href="classARX.html#e467144efb0a5acbc10dba4eff8638fe">00045</a>         <span class="keywordtype">double</span> <a class="code" href="classARX.html#e467144efb0a5acbc10dba4eff8638fe" title="forgetting factor">frg</a>;
33<a name="l00047"></a><a class="code" href="classARX.html#6d0cd0f0734aa77cdc5e48f1cf6737ec">00047</a>         <span class="keywordtype">double</span> <a class="code" href="classARX.html#6d0cd0f0734aa77cdc5e48f1cf6737ec" title="cached value of lognc() in the previous step">last_lognc</a>;
34<a name="l00048"></a>00048 <span class="keyword">public</span>:
35<a name="l00050"></a><a class="code" href="classARX.html#5fc6c18e73dcc0f1135eef33f42db8be">00050</a>         <a class="code" href="classARX.html#5fc6c18e73dcc0f1135eef33f42db8be" title="Full constructor.">ARX</a> (<a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &amp;<a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a>, mat &amp;V0, <span class="keywordtype">double</span> &amp;nu0, <span class="keywordtype">double</span> frg0=1.0) : <a class="code" href="classBM.html" title="Bayesian Model of the world, i.e. all uncertainty is modeled by probabilities.">BM</a>(rv),<a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>(rv,V0,nu0), <a class="code" href="classARX.html#2291297861dd74ca0175a01f910a0ef7" title="cached value of est.V">V</a>(<a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>._V()), <a class="code" href="classARX.html#a4182c281098b2d86b62518a7493d9be" title="cached value of est.nu">nu</a>(<a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>._nu()), <a class="code" href="classARX.html#e467144efb0a5acbc10dba4eff8638fe" title="forgetting factor">frg</a>(frg0){<a class="code" href="classARX.html#6d0cd0f0734aa77cdc5e48f1cf6737ec" title="cached value of lognc() in the previous step">last_lognc</a>=<a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>.<a class="code" href="classegiw.html#70eb1a0b88459b227f919b425b0d3359" title="logarithm of the normalizing constant, ">lognc</a>();};
36<a name="l00052"></a>00052         <span class="keywordtype">void</span> <a class="code" href="classARX.html#ba82c956ca893826811aefe1e4af465d" title="Here .">bayes</a> ( <span class="keyword">const</span> vec &amp;dt );
37<a name="l00053"></a><a class="code" href="classARX.html#9d8eff7a9df81786191a4c55b27e5b8a">00053</a>         <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>&amp; <a class="code" href="classARX.html#9d8eff7a9df81786191a4c55b27e5b8a" title="Returns a pointer to the epdf representing posterior density on parameters. Use with...">_epdf</a>() {<span class="keywordflow">return</span> <a class="code" href="classARX.html#691d023662beffa1dda611b416c0e27e" title="Posterior estimate of  in the form of Normal-inverse Wishart density.">est</a>;}
38<a name="l00054"></a>00054         ivec structure_est(<a class="code" href="classegiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> Eg0);
39<a name="l00055"></a>00055 };
40<a name="l00056"></a>00056
41<a name="l00057"></a>00057
42<a name="l00058"></a>00058 <span class="preprocessor">#endif // AR_H</span>
43<a name="l00059"></a>00059 <span class="preprocessor"></span>
44<a name="l00060"></a>00060
45</pre></div></div>
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