| 199 |  | <p><a class="el" href="classbdm_1_1UI.html" title="UI is an abstract class which collects all the auxiliary functions useful to prepare...">UI</a> for <a class="el" href="classbdm_1_1migamma__ref.html" title="Inverse-Gamma random walk around a fixed point.">migamma_ref</a></p> | 
                        | 200 |  | <p>The <a class="el" href="classbdm_1_1migamma__ref.html" title="Inverse-Gamma random walk around a fixed point.">migamma_ref</a> is constructed from a structure with fields: </p> | 
                        | 201 |  | <div class="fragment"><pre class="fragment">                system = { | 
                        | 202 |  | type = <span class="stringliteral">"migamma_ref"</span>; | 
                        | 203 |  | ref = [1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-5; 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-5; 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-2 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-3];            <span class="comment">// reference vector</span> | 
                        | 204 |  | <a class="code" href="classbdm_1_1migamma__ref.html#acdc1345ba8375fbdb18a69322d2f841d" title="parameter l">l</a> = 0.999;                                <span class="comment">// constant l</span> | 
                        | 205 |  | <a class="code" href="classbdm_1_1migamma.html#adc56bc9da542e0103ec16b9be8e5e38c" title="Constant .">k</a> = 0.1;                                  <span class="comment">// constant k</span> | 
                        | 206 |  |  | 
                        | 207 |  | <span class="comment">// == OPTIONAL ==</span> | 
                        | 208 |  | <span class="comment">// description of y variables</span> | 
                        | 209 |  | y = {type=<span class="stringliteral">"rv"</span>; names=[<span class="stringliteral">"y"</span>, <span class="stringliteral">"u"</span>];}; | 
                        | 210 |  | <span class="comment">// description of u variable</span> | 
                        | 211 |  | u = {type=<span class="stringliteral">"rv"</span>; names=[];} | 
                        | 212 |  | }; | 
                        | 213 |  | </pre></div><p>Result if </p> | 
                        | 214 |  |  | 
                      
                        |  | 199 | <p>Create inverse-Gamma density with conditional mean value </p> | 
                        |  | 200 | <p class="formulaDsp"> | 
                        |  | 201 | <img class="formulaDsp" alt="\[ f(rv|rvc) = i\Gamma(k, k/(rvc^l \circ ref^{(1-l)}) \]" src="form_171.png"/> | 
                        |  | 202 | </p> | 
                        |  | 203 | <p> from structure </p> | 
                        |  | 204 | <div class="fragment"><pre class="fragment">                <span class="keyword">class </span>= '<a class="code" href="classbdm_1_1migamma__ref.html#af45b15a10f084991ba6b48295f10421f" title="Constructor.">migamma_ref</a>'; | 
                        |  | 205 | ref = [1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-5; 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-5; 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-2 1<a class="code" href="classbdm_1_1mpdf__internal.html#a6b4d1cb8d7e230e313b4f0c905874d5a" title="access function to iepdf">e</a>-3];            <span class="comment">// reference vector</span> | 
                        |  | 206 | <a class="code" href="classbdm_1_1migamma__ref.html#acdc1345ba8375fbdb18a69322d2f841d" title="parameter l">l</a> = 0.999;                                <span class="comment">// constant l</span> | 
                        |  | 207 | <a class="code" href="classbdm_1_1migamma.html#adc56bc9da542e0103ec16b9be8e5e38c" title="Constant .">k</a> = 0.1;                                  <span class="comment">// constant k</span> | 
                        |  | 208 | rv = RV({<span class="stringliteral">'name'</span>})                         <span class="comment">// description of RV</span> | 
                        |  | 209 | <a class="code" href="classbdm_1_1mpdf.html#a5a5f08950daa08b85b01ddf4e1c36288" title="random variable in condition">rvc</a> = RV({<span class="stringliteral">'name'</span>})                        <span class="comment">// description of RV in condition</span> | 
                        |  | 210 | </pre></div> |