53 lines
3.1 KiB
HTML
53 lines
3.1 KiB
HTML
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<title>Description of lpdfgam</title>
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<meta name="keywords" content="lpdfgam">
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<meta name="description" content="log GAMMA PDF">
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<div><a href="../index.html">Home</a> > <a href="index.html">.</a> > lpdfgam.m</div>
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<!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td>
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<td align="right"><a href="index.html">Index for . <img alt=">" border="0" src="../right.png"></a></td></tr></table>-->
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<h1>lpdfgam
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</h1>
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<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="box"><strong>log GAMMA PDF</strong></div>
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<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="box"><strong>function ldens = lpdfgam(x,a,b); </strong></div>
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<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="fragment"><pre class="comment"> log GAMMA PDF</pre></div>
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<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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This function calls:
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<ul style="list-style-image:url(../matlabicon.gif)">
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</ul>
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This function is called by:
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<ul style="list-style-image:url(../matlabicon.gif)">
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<li><a href="compDist.html" class="code" title="function compdist(xparam1, x2, pltopt, figurename)">compDist</a> </li><li><a href="draw_prior_density.html" class="code" title="function [x,f,abscissa,dens,binf,bsup] = draw_prior_density(indx);">draw_prior_density</a> stephane.adjemian@ens.fr [07-15-2004]</li><li><a href="mj_qgamma.html" class="code" title="function x = mj_qgamma(p,a)">mj_qgamma</a> MJ_QGAMMA The gamma inverse distribution function</li><li><a href="priordens.html" class="code" title="function lnprior = priordens(para, pshape, p1, p2, p3, p4)">priordens</a> This procedure computes a prior density for</li></ul>
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<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function ldens = lpdfgam(x,a,b);</a>
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0002 <span class="comment">% log GAMMA PDF</span>
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0003 ldens = -gammaln(a) -a*log(b)+ (a-1)*log(x) -x/b ;
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0004
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0005 <span class="comment">% 10/11/03 MJ adapted from an earlier GAUSS version by F. Schorfeide,</span>
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0006 <span class="comment">% translated to MATLAB by R. Wouters</span>
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0007 <span class="comment">% use MATLAB gammaln rather than lngam</span></pre></div>
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<hr><address>Generated on Fri 16-Jun-2006 09:09:06 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> © 2003</address>
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