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| 20 |     <li><a href="functions.html"><span>Class Members</span></a></li> | 
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| 21 |   </ul> | 
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| 22 | </div> | 
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| 23 | <h1>egamma Class Reference</h1><!-- doxytag: class="egamma" --><!-- doxytag: inherits="eEF" -->Gamma posterior density.   | 
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| 24 | <a href="#_details">More...</a> | 
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| 25 | <p> | 
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| 26 | <code>#include <<a class="el" href="libEF_8h-source.html">libEF.h</a>></code> | 
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| 27 | <p> | 
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| 28 | <div class="dynheader"> | 
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| 29 | Inheritance diagram for egamma:</div> | 
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| 30 | <div class="dynsection"> | 
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| 31 | <p><center><img src="classegamma__inherit__graph.png" border="0" usemap="#egamma__inherit__map" alt="Inheritance graph"></center> | 
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| 32 | <map name="egamma__inherit__map"> | 
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| 33 | <area shape="rect" href="classeEF.html" title="General conjugate exponential family posterior density." alt="" coords="23,84,68,111"><area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="20,7,71,33"></map> | 
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| 34 | <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div> | 
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| 35 | <div class="dynheader"> | 
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| 36 | Collaboration diagram for egamma:</div> | 
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| 37 | <div class="dynsection"> | 
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| 38 | <p><center><img src="classegamma__coll__graph.png" border="0" usemap="#egamma__coll__map" alt="Collaboration graph"></center> | 
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| 39 | <map name="egamma__coll__map"> | 
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| 40 | <area shape="rect" href="classeEF.html" title="General conjugate exponential family posterior density." alt="" coords="23,183,68,209"><area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="20,103,71,129"><area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="27,7,64,33"><area shape="rect" title="rv" alt="" coords="41,31,49,39"><area shape="rect" title="rv" alt="" coords="41,99,49,107"></map> | 
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| 41 | <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div> | 
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| 42 |  | 
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| 43 | <p> | 
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| 44 | <a href="classegamma-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"> | 
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| 45 | <tr><td></td></tr> | 
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| 46 | <tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr> | 
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| 47 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4b1d34f3b244ea51a58ec10c468788c1"></a><!-- doxytag: member="egamma::egamma" ref="4b1d34f3b244ea51a58ec10c468788c1" args="(const RV &rv)" --> | 
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| 48 |  </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#4b1d34f3b244ea51a58ec10c468788c1">egamma</a> (const <a class="el" href="classRV.html">RV</a> &<a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a>)</td></tr> | 
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| 49 |  | 
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| 50 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br></td></tr> | 
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| 51 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8e348b89be82b70471fe8c5630f61339"></a><!-- doxytag: member="egamma::set_parameters" ref="8e348b89be82b70471fe8c5630f61339" args="(const vec &a, const vec &b)" --> | 
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| 52 | void </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#8e348b89be82b70471fe8c5630f61339">set_parameters</a> (const vec &a, const vec &b)</td></tr> | 
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| 53 |  | 
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| 54 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Sets parameters. <br></td></tr> | 
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| 55 | <tr><td class="memItemLeft" nowrap align="right" valign="top">vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#8e10c0021b5dfdd9cb62c6959b5ef425">sample</a> () const </td></tr> | 
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| 56 |  | 
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| 57 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.  <a href="#8e10c0021b5dfdd9cb62c6959b5ef425"></a><br></td></tr> | 
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| 58 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="13ae455ec9621b99ca2eb4850f586b45"></a><!-- doxytag: member="egamma::sample" ref="13ae455ec9621b99ca2eb4850f586b45" args="(int N) const " --> | 
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| 59 | mat </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#13ae455ec9621b99ca2eb4850f586b45">sample</a> (int N) const </td></tr> | 
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| 60 |  | 
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| 61 | <tr><td class="mdescLeft"> </td><td class="mdescRight">TODO: is it used anywhere? <br></td></tr> | 
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| 62 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="de84faac8f9799dfe2777ddbedf997ef"></a><!-- doxytag: member="egamma::evalpdflog" ref="de84faac8f9799dfe2777ddbedf997ef" args="(const vec &val) const " --> | 
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| 63 | double </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#de84faac8f9799dfe2777ddbedf997ef">evalpdflog</a> (const vec &val) const </td></tr> | 
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| 64 |  | 
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| 65 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute log-probability of argument <code>val</code>. <br></td></tr> | 
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| 66 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="44445c56e60b91b377f207f8d5089790"></a><!-- doxytag: member="egamma::_param" ref="44445c56e60b91b377f207f8d5089790" args="(vec *&a, vec *&b)" --> | 
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| 67 | void </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#44445c56e60b91b377f207f8d5089790">_param</a> (vec *&a, vec *&b)</td></tr> | 
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| 68 |  | 
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| 69 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns poiter to alpha and beta. Potentially dengerous: use with care! <br></td></tr> | 
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| 70 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6ab5ba56f7cdb2e5921c3e77524fa50a"></a><!-- doxytag: member="egamma::mean" ref="6ab5ba56f7cdb2e5921c3e77524fa50a" args="() const " --> | 
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| 71 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#6ab5ba56f7cdb2e5921c3e77524fa50a">mean</a> () const </td></tr> | 
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| 72 |  | 
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| 73 | <tr><td class="mdescLeft"> </td><td class="mdescRight">return expected value <br></td></tr> | 
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| 74 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fd88bc35550ec8fe9281d358216d0fcf"></a><!-- doxytag: member="egamma::tupdate" ref="fd88bc35550ec8fe9281d358216d0fcf" args="(double phi, mat &vbar, double nubar)" --> | 
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| 75 | virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classeEF.html#fd88bc35550ec8fe9281d358216d0fcf">tupdate</a> (double phi, mat &vbar, double nubar)</td></tr> | 
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| 76 |  | 
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| 77 | <tr><td class="mdescLeft"> </td><td class="mdescRight">TODO decide if it is really needed. <br></td></tr> | 
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| 78 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5863718c3b2fb1496dece10c5b745d5c"></a><!-- doxytag: member="egamma::dupdate" ref="5863718c3b2fb1496dece10c5b745d5c" args="(mat &v, double nu=1.0)" --> | 
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| 79 | virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classeEF.html#5863718c3b2fb1496dece10c5b745d5c">dupdate</a> (mat &v, double nu=1.0)</td></tr> | 
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| 80 |  | 
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| 81 | <tr><td class="mdescLeft"> </td><td class="mdescRight">TODO decide if it is really needed. <br></td></tr> | 
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| 82 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3ea597362e11a0040fe7c990269d072c"></a><!-- doxytag: member="egamma::eval" ref="3ea597362e11a0040fe7c990269d072c" args="(const vec &val) const " --> | 
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| 83 | virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#3ea597362e11a0040fe7c990269d072c">eval</a> (const vec &val) const </td></tr> | 
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| 84 |  | 
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| 85 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute probability of argument <code>val</code>. <br></td></tr> | 
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| 86 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b89143f12c9b49282e30841e4fb5f337"></a><!-- doxytag: member="egamma::_rv" ref="b89143f12c9b49282e30841e4fb5f337" args="() const " --> | 
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| 87 | <a class="el" href="classRV.html">RV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#b89143f12c9b49282e30841e4fb5f337">_rv</a> () const </td></tr> | 
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| 88 |  | 
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| 89 | <tr><td class="mdescLeft"> </td><td class="mdescRight">access function <br></td></tr> | 
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| 90 | <tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr> | 
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| 91 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="376cebd8932546c440f21b182910b01b"></a><!-- doxytag: member="egamma::alpha" ref="376cebd8932546c440f21b182910b01b" args="" --> | 
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| 92 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#376cebd8932546c440f21b182910b01b">alpha</a></td></tr> | 
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| 93 |  | 
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| 94 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Vector <img class="formulaInl" alt="$\alpha$" src="form_15.png">. <br></td></tr> | 
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| 95 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cfc5f136467488a421ab22f886323790"></a><!-- doxytag: member="egamma::beta" ref="cfc5f136467488a421ab22f886323790" args="" --> | 
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| 96 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classegamma.html#cfc5f136467488a421ab22f886323790">beta</a></td></tr> | 
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| 97 |  | 
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| 98 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Vector <img class="formulaInl" alt="$\beta$" src="form_16.png">. <br></td></tr> | 
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| 99 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="74da992e3f5d598da8850b646b79b9d9"></a><!-- doxytag: member="egamma::rv" ref="74da992e3f5d598da8850b646b79b9d9" args="" --> | 
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| 100 | <a class="el" href="classRV.html">RV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a></td></tr> | 
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| 101 |  | 
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| 102 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Identified of the random variable. <br></td></tr> | 
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| 103 | </table> | 
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| 104 | <hr><a name="_details"></a><h2>Detailed Description</h2> | 
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| 105 | Gamma posterior density.  | 
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| 106 | <p> | 
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| 107 | Multvariate Gamma density as product of independent univariate densities. <p class="formulaDsp"> | 
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| 108 | <img class="formulaDsp" alt="\[ f(x|\alpha,\beta) = \prod f(x_i|\alpha_i,\beta_i) \]" src="form_8.png"> | 
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| 109 | <p> | 
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| 110 |  <hr><h2>Member Function Documentation</h2> | 
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| 111 | <a class="anchor" name="8e10c0021b5dfdd9cb62c6959b5ef425"></a><!-- doxytag: member="egamma::sample" ref="8e10c0021b5dfdd9cb62c6959b5ef425" args="() const " --> | 
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| 112 | <div class="memitem"> | 
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| 113 | <div class="memproto"> | 
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| 114 |       <table class="memname"> | 
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| 115 |         <tr> | 
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| 116 |           <td class="memname">vec egamma::sample           </td> | 
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| 117 |           <td>(</td> | 
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| 118 |           <td class="paramname">          </td> | 
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| 119 |           <td> ) </td> | 
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| 120 |           <td width="100%"> const<code> [virtual]</code></td> | 
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| 121 |         </tr> | 
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| 122 |       </table> | 
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| 123 | </div> | 
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| 124 | <div class="memdoc"> | 
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| 125 |  | 
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| 126 | <p> | 
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| 127 | Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.  | 
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| 128 | <p> | 
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| 129 | Returns a sample from the density, <img class="formulaInl" alt="$x \sim epdf(rv)$" src="form_3.png">  | 
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| 130 | <p>Implements <a class="el" href="classepdf.html#8019654e494bf5e458f6fb947e11b262">epdf</a>.</p> | 
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| 131 |  | 
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| 132 | </div> | 
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| 133 | </div><p> | 
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| 134 | <hr>The documentation for this class was generated from the following files:<ul> | 
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| 135 | <li>work/mixpp/bdm/stat/<a class="el" href="libEF_8h-source.html">libEF.h</a><li>work/mixpp/bdm/stat/libEF.cpp</ul> | 
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| 136 | <hr size="1"><address style="text-align: right;"><small>Generated on Wed Mar 12 16:15:49 2008 for mixpp by  | 
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| 137 | <a href="http://www.doxygen.org/index.html"> | 
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| 138 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address> | 
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| 139 | </body> | 
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| 140 | </html> | 
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