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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

genk_cdf(x,alpha,eta,nu)
% genk_cdf.m - compute Generalized K Cumulative Distribution Function.
%   See "The K-Generalized Model to Generate Marine Feature in SAR Images: First Results", 
%   M. Migliaccio et al., U. di Napoli, Proc. of SEASAR, 2006, 23 Jan., 2006, ESA SP-613, April, 2006.            
%
%               Vector Form of CDF !!!
%
%  Created by:  Jim Huntley,  09/18/06.
%

function [cdf] = genk_cdf(x,alpha,eta,nu)

tol = 1e-6;
trace = [];
warning off MATLAB:quad:MinStepSize;

minx = min(x);

% Integrate PDF to get CDF.
warning off MATLAB:quad:MinStepSize
sz = size(x,2);
for jz = 1:sz
    cdf(jz) = quad(@genk_pdf,minx,x(jz),tol,trace,alpha,eta,nu);
end

return



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