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Bayesian-Optimization / matlab / testfunctions / michalewicz.m

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% -------------------------------------------------------------------------
%    This file is part of BayesOpt, an efficient C++ library for 
%    Bayesian optimization.
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%    Copyright (C) 2011-2013 Ruben Martinez-Cantin <rmcantin@unizar.es>
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%    BayesOpt is free software: you can redistribute it and/or modify it 
%    under the terms of the GNU General Public License as published by
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%    BayesOpt is distributed in the hope that it will be useful, but 
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%    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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%    You should have received a copy of the GNU General Public License
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% ------------------------------------------------------------------------
%

function y = michalewicz(x)
%Bounds [0,pi]
%Min = -4687 (n=5)
    n = length(x);
    m = 1;
    ii = 1:n;
    
    y = -sum(sin(x).*(sin(ii.*x.^2/pi)).^(2*m));