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Generation of Random Variates

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Generation of Random Variates

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generates random variates from over 870 univariate distributions

poislind_pdf(n, alpha)
% poislind_pdf.m - evaluates a Poisson Lindley Probability Density.
%   See "A Unified Approach to Some Mixed Poisson Distributions", 
%   M.E. Ghitany and S.A. Al-Awadhi, Tamsui Oxfors J. of Math. Sciences, p.147, 2001.
%
%  Created by Jim Huntley,  04/15/09
%

function [pdf] = poislind_pdf(n, alpha)

%persistent a2 ap1

%if(isempty(a2))
    a2 = alpha^2;
    ap1 = alpha+1;
%end

pdf = a2 * (alpha+2+n) / ap1^(n+3); 

return

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