From 8e49ca5526700451d7e1778d8319b3bd75958b56 Mon Sep 17 00:00:00 2001 From: assia Date: Fri, 11 Jan 2008 15:45:52 +0000 Subject: [PATCH] header updated git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@1578 ac1d8469-bf42-47a9-8791-bf33cf982152 --- matlab/lpdfgbeta.m | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/matlab/lpdfgbeta.m b/matlab/lpdfgbeta.m index eeaf4d791..d0c693659 100644 --- a/matlab/lpdfgbeta.m +++ b/matlab/lpdfgbeta.m @@ -1,6 +1,26 @@ function ldens = lpdfgbeta(x,a,b,aa,bb); + +% function ldens = lpdfgbeta(x,a,b,aa,bb); % log (generalized) BETA PDF +% +% INPUTS +% x: density evatuated at x +% a: BETA distribution paramerer +% b: BETA distribution paramerer +% aa: lower bound +% bb: upper bound + +% OUTPUTS +% ldens: the log (generalized) BETA PDF +% +% SPECIAL REQUIREMENTS +% none +% +% part of DYNARE, copyright Dynare Team (2003-2008) +% Gnu Public License. + ldens = -betaln(a,b) + (a-1)*log(x-aa) + (b-1)*log(bb-x) - (a+b-1)*log(bb-aa); + %gammaln(a+b) - gammaln(a) - gammaln(b) %betaln(a,b) %pause