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Generation of Random Variates

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Generation of Random Variates

by

James Huntley (view profile)

 

generates random variates from over 870 univariate distributions

logzero_pdf(n, theta, k)
% logzero_pdf.m - evaluates a Log Zero Probability Density.
%   See "Univariate Discrete Distributions", Johnson, Kemp, & Kotz, 
%   J. Wiley, 2005, 318. 
%
%  Created by Jim Huntley,  7/06/07
%

function [pdf] = logzero_pdf(n, theta, k)

%persistent lomthet a

%if(isempty(lomthet))
    lomthet = log(1-theta);
    sum1 = 0;
    for ji = 1:k
        sum1 = sum1 + theta^(ji-1);
    end
%end

pdf =  omomeg * theta^n / (-n * lomthet);
    
return

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