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Generation of Random Variates

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Generation of Random Variates



generates random variates from over 870 univariate distributions

expfrechet_pdf(x, sigma, lambda, alpha)
% expfrechet_pdf.m - evaluates an Exponentiated Frechet Probability Density.
%   See "The Exponentiated Frechet Distribution",  S. Nadarajah and S. Kotz,
%  Created by Jim Huntley,  02/10/10

function [pdf] = expfrechet_pdf(x, sigma, lambda, alpha)

coef = alpha * lambda * sigma^lambda;
argx = (sigma ./ x).^lambda;
pdf = coef .* (1-exp(-argx)).^(alpha-1) .*x.^(-(1+lambda)) .* exp(-argx);


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