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73<h1>bdm::eigamma Class Reference</h1><!-- doxytag: class="bdm::eigamma" --><!-- doxytag: inherits="bdm::egamma" -->
74<p>Inverse-Gamma posterior density. 
75<a href="#_details">More...</a></p>
76<hr/><a name="_details"></a><h2>Detailed Description</h2>
77<p>Inverse-Gamma posterior density. </p>
78<p>Multivariate inverse-Gamma density as product of independent univariate densities. </p>
79<p class="formulaDsp">
80<img class="formulaDsp" alt="\[ f(x|\alpha,\beta) = \prod f(x_i|\alpha_i,\beta_i) \]" src="form_82.png"/>
81</p>
82<p>Vector <img class="formulaInl" alt="$\beta$" src="form_83.png"/> has different meaning (in fact it is 1/beta as used in definition of iG)</p>
83<p>Inverse Gamma can be converted to Gamma using </p>
84<p class="formulaDsp">
85<img class="formulaDsp" alt="\[ x\sim iG(a,b) => 1/x\sim G(a,1/b) \]" src="form_84.png"/>
86</p>
87<p> This relation is used in sampling. </p>
88
89<p><code>#include &lt;<a class="el" href="exp__family_8h_source.html">exp_family.h</a>&gt;</code></p>
90
91<p><a href="classbdm_1_1eigamma-members.html">List of all members.</a></p>
92<table border="0" cellpadding="0" cellspacing="0">
93<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
94<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa8e11e5a580ff42a1b205974c60768c6"></a><!-- doxytag: member="bdm::eigamma::evallog" ref="aa8e11e5a580ff42a1b205974c60768c6" args="(const vec &amp;val) const " -->
95double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#aa8e11e5a580ff42a1b205974c60768c6">evallog</a> (const vec &amp;val) const </td></tr>
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluate normalized log-probability. <br/></td></tr>
97<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9a66cbd100e8520c769ccb3c451f86f8"></a><!-- doxytag: member="bdm::eigamma::lognc" ref="a9a66cbd100e8520c769ccb3c451f86f8" args="() const " -->
98double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#a9a66cbd100e8520c769ccb3c451f86f8">lognc</a> () const </td></tr>
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">logarithm of the normalizing constant, <img class="formulaInl" alt="$\mathcal{I}$" src="form_100.png"/> <br/></td></tr>
100<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0865cb3d6339fdc7410806cf70a329ed"></a><!-- doxytag: member="bdm::eigamma::_alpha" ref="a0865cb3d6339fdc7410806cf70a329ed" args="()" -->
101vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#a0865cb3d6339fdc7410806cf70a329ed">_alpha</a> ()</td></tr>
102<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns pointer to internal alpha. Potentially dengerous: use with care! <br/></td></tr>
103<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac42cadd9cbd344caaa69b0b433cd16ca"></a><!-- doxytag: member="bdm::eigamma::_beta" ref="ac42cadd9cbd344caaa69b0b433cd16ca" args="()" -->
104vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#ac42cadd9cbd344caaa69b0b433cd16ca">_beta</a> ()</td></tr>
105<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns pointer to internal beta. Potentially dengerous: use with care! <br/></td></tr>
106<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#a8a6fd1a1c0190f3e0d95a2a1f99aafc1">from_setting</a> (const Setting &amp;set)</td></tr>
107<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac3a8d8ae8ba79d0fb35036711fa7d127"></a><!-- doxytag: member="bdm::eigamma::validate" ref="ac3a8d8ae8ba79d0fb35036711fa7d127" args="()" -->
108void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#ac3a8d8ae8ba79d0fb35036711fa7d127">validate</a> ()</td></tr>
109<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br/></td></tr>
110<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4135778ecd9ab774762936c82a097c6"></a><!-- doxytag: member="bdm::eigamma::evallog_nn" ref="aa4135778ecd9ab774762936c82a097c6" args="(const vec &amp;val) const " -->
111virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEF.html#aa4135778ecd9ab774762936c82a097c6">evallog_nn</a> (const vec &amp;val) const </td></tr>
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluate normalized log-probability. <br/></td></tr>
113<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6886c60b6b690e503913240db5de0c6f"></a><!-- doxytag: member="bdm::eigamma::evallog_m" ref="a6886c60b6b690e503913240db5de0c6f" args="(const mat &amp;Val) const " -->
114virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEF.html#a6886c60b6b690e503913240db5de0c6f">evallog_m</a> (const mat &amp;Val) const </td></tr>
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluate normalized log-probability for many samples. <br/></td></tr>
116<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad793f4fd6d0dcec5f16bff0ae45fc7d5"></a><!-- doxytag: member="bdm::eigamma::evallog_m" ref="ad793f4fd6d0dcec5f16bff0ae45fc7d5" args="(const Array&lt; vec &gt; &amp;Val) const " -->
117virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEF.html#ad793f4fd6d0dcec5f16bff0ae45fc7d5">evallog_m</a> (const Array&lt; vec &gt; &amp;Val) const </td></tr>
118<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Evaluate normalized log-probability for many samples. <br/></td></tr>
119<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acf38af29e8e3d650c640509a52396053"></a><!-- doxytag: member="bdm::eigamma::pow" ref="acf38af29e8e3d650c640509a52396053" args="(double p)" -->
120virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEF.html#acf38af29e8e3d650c640509a52396053">pow</a> (double p)</td></tr>
121<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Power of the density, used e.g. to flatten the density. <br/></td></tr>
122<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::eigamma::to_string" ref="aaf0e6941ba5919cae1bc530e2181b109" args="()" -->
123virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#aaf0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br/></td></tr>
125<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::eigamma::to_setting" ref="a67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
126virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#a67d954d255ede776eade7334d4895790">to_setting</a> (Setting &amp;set) const </td></tr>
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br/></td></tr>
128<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
129<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpd41d8cd98f00b204e9800998ecf8427e"></a> All constructors are inherited </p>
130<br/><br/></div></td></tr>
131<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3aff7bf25ddac27731c60826fcfd878f"></a><!-- doxytag: member="bdm::eigamma::sample" ref="a3aff7bf25ddac27731c60826fcfd878f" args="() const " -->
132vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eigamma.html#a3aff7bf25ddac27731c60826fcfd878f">sample</a> () const </td></tr>
133<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a sample, <img class="formulaInl" alt="$ x $" src="form_3.png"/> from density <img class="formulaInl" alt="$ f_x()$" src="form_13.png"/>. <br/></td></tr>
134<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a46cecb295edbabd28120cb0f6f572bcb"></a><!-- doxytag: member="bdm::eigamma::mean" ref="a46cecb295edbabd28120cb0f6f572bcb" args="() const " -->
135vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eigamma.html#a46cecb295edbabd28120cb0f6f572bcb">mean</a> () const </td></tr>
136<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns poiter to alpha and beta. Potentially dangerous: use with care! <br/></td></tr>
137<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac2c696f8c668e9f65392c9449f6a5133"></a><!-- doxytag: member="bdm::eigamma::variance" ref="ac2c696f8c668e9f65392c9449f6a5133" args="() const " -->
138vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eigamma.html#ac2c696f8c668e9f65392c9449f6a5133">variance</a> () const </td></tr>
139<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected variance (not covariance!) <br/></td></tr>
140<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
141<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> </p>
142<br/><br/></div></td></tr>
143<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a749f82293ff23a8319c1bf52489d2ed2"></a><!-- doxytag: member="bdm::eigamma::set_parameters" ref="a749f82293ff23a8319c1bf52489d2ed2" args="(const vec &amp;a, const vec &amp;b)" -->
144void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (const vec &amp;a, const vec &amp;b)</td></tr>
145<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
146<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> Construction of each <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> should support two types of constructors: </p>
147<ul>
148<li>empty constructor, </li>
149<li>copy constructor,</li>
150</ul>
151<p>The following constructors should be supported for convenience: </p>
152<ul>
153<li>constructor followed by calling <code>set_parameters()</code> </li>
154<li>constructor accepting random variables calling <code><a class="el" href="classbdm_1_1epdf.html#af423e28448dbb69ef4905295ec8de8ff" title="Name its rv.">set_rv()</a></code> </li>
155</ul>
156<p>All internal data structures are constructed as empty. Their values (including sizes) will be set by method <code>set_parameters()</code>. This way references can be initialized in constructors. </p>
157<br/><br/></div></td></tr>
158<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a840de94aa33cf4f2ebd2427f45a165d8"></a><!-- doxytag: member="bdm::eigamma::set_parameters" ref="a840de94aa33cf4f2ebd2427f45a165d8" args="(int dim0)" -->
159void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int dim0)</td></tr>
160<tr><td colspan="2"><div class="groupHeader">Matematical Operations</div></td></tr>
161<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp96552c993870a5dd6bb0ea321f1ceb78"></a> </p>
162<br/><br/></div></td></tr>
163<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab4cf45fd83cc7573ede9fe1215256058"></a><!-- doxytag: member="bdm::eigamma::sample_m" ref="ab4cf45fd83cc7573ede9fe1215256058" args="(int N) const " -->
164virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#ab4cf45fd83cc7573ede9fe1215256058">sample_m</a> (int N) const </td></tr>
165<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples, <img class="formulaInl" alt="$ [x_1 , x_2 , \ldots \ $" src="form_14.png"/> from density <img class="formulaInl" alt="$ f_x(rv)$" src="form_15.png"/>. <br/></td></tr>
166<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1499d35b79bce0cfa64fc5cafb9c03b2"></a><!-- doxytag: member="bdm::eigamma::condition" ref="a1499d35b79bce0cfa64fc5cafb9c03b2" args="(const RV &amp;rv) const " -->
167virtual <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a1499d35b79bce0cfa64fc5cafb9c03b2">condition</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
168<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return conditional density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remaining rvs will be in conditioning. <br/></td></tr>
169<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa84b05f5293cab2aeb4e07faffa60906"></a><!-- doxytag: member="bdm::eigamma::marginal" ref="aa84b05f5293cab2aeb4e07faffa60906" args="(const RV &amp;rv) const " -->
170virtual <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#aa84b05f5293cab2aeb4e07faffa60906">marginal</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
171<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return marginal density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remainig rvs are intergrated out. <br/></td></tr>
172<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0a7705e80601957f7226d333a0a6d539"></a><!-- doxytag: member="bdm::eigamma::qbounds" ref="a0a7705e80601957f7226d333a0a6d539" args="(vec &amp;lb, vec &amp;ub, double percentage=0.95) const " -->
173virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a0a7705e80601957f7226d333a0a6d539">qbounds</a> (vec &amp;lb, vec &amp;ub, double percentage=0.95) const </td></tr>
174<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Lower and upper bounds of <code>percentage</code> % quantile, returns mean-2*sigma as default. <br/></td></tr>
175<tr><td colspan="2"><div class="groupHeader">Connection to other classes</div></td></tr>
176<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp14fc6e1cb822e9dfc5edc16c20fabe11"></a> Description of the random quantity via attribute <code>rv</code> is optional. For operations such as sampling <code>rv</code> does not need to be set. However, for <code>marginalization</code> and <code>conditioning</code> <code>rv</code> has to be set. NB: </p>
177<br/><br/></div></td></tr>
178<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af423e28448dbb69ef4905295ec8de8ff"></a><!-- doxytag: member="bdm::eigamma::set_rv" ref="af423e28448dbb69ef4905295ec8de8ff" args="(const RV &amp;rv0)" -->
179void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#af423e28448dbb69ef4905295ec8de8ff">set_rv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv0)</td></tr>
180<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name its rv. <br/></td></tr>
181<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac4b863ff84c7a4882fb3ad18556027f9"></a><!-- doxytag: member="bdm::eigamma::isnamed" ref="ac4b863ff84c7a4882fb3ad18556027f9" args="() const " -->
182bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#ac4b863ff84c7a4882fb3ad18556027f9">isnamed</a> () const </td></tr>
183<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">True if rv is assigned. <br/></td></tr>
184<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4ab378d5e004c3ff3e2d4e64f7bba21"></a><!-- doxytag: member="bdm::eigamma::_rv" ref="aa4ab378d5e004c3ff3e2d4e64f7bba21" args="() const " -->
185const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#aa4ab378d5e004c3ff3e2d4e64f7bba21">_rv</a> () const </td></tr>
186<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return name (fails when isnamed is false). <br/></td></tr>
187<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
188<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpb6eb094f9e6af11f8a7d9efa9d8e3623"></a> </p>
189<br/><br/></div></td></tr>
190<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7083a65f7b7a0d0d13b2c516bd2ec29c"></a><!-- doxytag: member="bdm::eigamma::dimension" ref="a7083a65f7b7a0d0d13b2c516bd2ec29c" args="() const " -->
191int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a7083a65f7b7a0d0d13b2c516bd2ec29c">dimension</a> () const </td></tr>
192<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Size of the random variable. <br/></td></tr>
193<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
194<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0901ec983e66b8337aaa506e13b122fa"></a><!-- doxytag: member="bdm::eigamma::alpha" ref="a0901ec983e66b8337aaa506e13b122fa" args="" -->
195vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#a0901ec983e66b8337aaa506e13b122fa">alpha</a></td></tr>
196<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Vector <img class="formulaInl" alt="$\alpha$" src="form_105.png"/>. <br/></td></tr>
197<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a457bfb1ccb2057df85073e519a15ccc1"></a><!-- doxytag: member="bdm::eigamma::beta" ref="a457bfb1ccb2057df85073e519a15ccc1" args="" -->
198vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1egamma.html#a457bfb1ccb2057df85073e519a15ccc1">beta</a></td></tr>
199<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Vector <img class="formulaInl" alt="$\beta$" src="form_83.png"/>. <br/></td></tr>
200<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16adac20ec7fe07e1ea0b27d917788ce"></a><!-- doxytag: member="bdm::eigamma::dim" ref="a16adac20ec7fe07e1ea0b27d917788ce" args="" -->
201int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce">dim</a></td></tr>
202<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the random variable <br/></td></tr>
203<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a62c5b8ff71d9ebe6cd58d3c342eb1dc8"></a><!-- doxytag: member="bdm::eigamma::rv" ref="a62c5b8ff71d9ebe6cd58d3c342eb1dc8" args="" -->
204<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a></td></tr>
205<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Description of the random variable. <br/></td></tr>
206</table>
207<hr/><h2>Member Function Documentation</h2>
208<a class="anchor" id="a8a6fd1a1c0190f3e0d95a2a1f99aafc1"></a><!-- doxytag: member="bdm::eigamma::from_setting" ref="a8a6fd1a1c0190f3e0d95a2a1f99aafc1" args="(const Setting &amp;set)" -->
209<div class="memitem">
210<div class="memproto">
211      <table class="memname">
212        <tr>
213          <td class="memname">void bdm::egamma::from_setting </td>
214          <td>(</td>
215          <td class="paramtype">const Setting &amp;&nbsp;</td>
216          <td class="paramname"> <em>set</em></td>
217          <td>&nbsp;)&nbsp;</td>
218          <td><code> [inline, virtual, inherited]</code></td>
219        </tr>
220      </table>
221</div>
222<div class="memdoc">
223<p>Create Gamma density </p>
224<p class="formulaDsp">
225<img class="formulaDsp" alt="\[ f(rv|rvc) = \Gamma(\alpha, \beta) \]" src="form_106.png"/>
226</p>
227<p> from structure </p>
228<div class="fragment"><pre class="fragment">                <span class="keyword">class </span>= &apos;egamma&apos;;
229                <a class="code" href="classbdm_1_1egamma.html#a0901ec983e66b8337aaa506e13b122fa" title="Vector .">alpha</a> = [...];         <span class="comment">// vector of alpha</span>
230                <a class="code" href="classbdm_1_1egamma.html#a457bfb1ccb2057df85073e519a15ccc1" title="Vector .">beta</a> = [...];          <span class="comment">// vector of beta</span>
231                rv = RV({<span class="stringliteral">&apos;name&apos;</span>})      <span class="comment">// description of RV</span>
232</pre></div> 
233<p>Reimplemented from <a class="el" href="classbdm_1_1epdf.html#afa9efc98a065b31c630fe18cc418f725">bdm::epdf</a>.</p>
234
235<p>References <a class="el" href="exp__family_8h_source.html#l00475">bdm::egamma::alpha</a>, <a class="el" href="user__info_8h_source.html#l00451">bdm::UI::get()</a>, and <a class="el" href="exp__family_8h_source.html#l00512">bdm::egamma::validate()</a>.</p>
236
237</div>
238</div>
239<hr/>The documentation for this class was generated from the following file:<ul>
240<li><a class="el" href="exp__family_8h_source.html">exp_family.h</a></li>
241</ul>
242</div>
243<hr size="1"/><address style="text-align: right;"><small>Generated on Thu Oct 15 00:07:50 2009 for mixpp by&nbsp;
244<a href="http://www.doxygen.org/index.html">
245<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
246</body>
247</html>
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