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Generation of Random Variates

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Generation of Random Variates


James Huntley (view profile)


generates random variates from over 870 univariate distributions

digamma_cdf(n, a, c)
% digamma_cdf.m - compute Digamma Cumulative Distribution Function.
%   See "Random Variate Generation for the Digamma and Trigamma Distributions", 
%   L. Devroye, McGill, 1991.
%  Created by:  Jim Huntley,  07/15/05.

function [cdf] = digamma_cdf(n, a, c)

sum1 = digamma_pdf(1, a, c);
for jn = 2:n
    sum1 = sum1 + digamma_pdf(jn, a, c);
cdf = sum1;

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