ga_griewank.m

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% GA_Griewank.m file
% Fin min of a function of 2 varaibles

% PenChen Chou, 4-22-2002

clear all
ans=1;
who
fprintf('>>>Start this program [GA_Griewank.m] now. Please wait!\n');
pause(1)
global MIN_offset MUL_factor 
MIN_offset=2; 
MUL_factor=0.01;
%**********************************************************/
%       User can modify the following in blocks
%**********************************************************/
obj_fcn = 'GA_fgrie';	% Objective function
% Range is from -500 to 500.
range = [84 84
    105 105];	% Range of the input variables
IC=[]; elite=1; 
gen_no=1000;
popuSize=100;
bit_n=100;
xover_rate=0.8;
mutate_rate=0.2;

%************************************************************
% call GA written by Chang
tic
% Calling GA_genetic
[popu, popu_real, fcn_value, upper, average,...
  lower, BEST_popu, popuSize, gen_no, para, best_pi,...
  bit_n, xover_rate, mutate_rate]=...
GA_genetic(obj_fcn, range, IC, elite, gen_no, popuSize,...
  bit_n, xover_rate, mutate_rate);
t=toc/60;
fprintf('==>  Computation time is (%.2f) minutes.\n\n',t);