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CreateHypercubes.m
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% MATLAB Code for %
% %
% Multi-Objective Particle Swarm Optimization (MOPSO) %
% Version 1.0 - Feb. 2011 %
% %
% According to: %
% Carlos A. Coello Coello et al., %
% "Handling Multiple Objectives with Particle Swarm Optimization," %
% IEEE Transactions on Evolutionary Computation, Vol. 8, No. 3, %
% pp. 256-279, June 2004. %
% %
% Developed Using MATLAB R2009b (Version 7.9) %
% %
% Programmed By: S. Mostapha Kalami Heris %
% %
% e-Mail: [email protected] %
% %
% Homepage: http://www.kalami.ir %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function G=CreateHypercubes(costs,ngrid,alpha)
nobj=size(costs,1);
empty_grid.Lower=[];
empty_grid.Upper=[];
G=repmat(empty_grid,nobj,1);
for j=1:nobj
min_cj=min(costs(j,:));
max_cj=max(costs(j,:));
dcj=alpha*(max_cj-min_cj);
min_cj=min_cj-dcj;
max_cj=max_cj+dcj;
gx=linspace(min_cj,max_cj,ngrid-1);
G(j).Lower=[-inf gx];
G(j).Upper=[gx inf];
end
end