xevaleach.m

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function [PI, chromosome_real] = xevaleach(mode, chromosome, bit_n, range, fcn)
% EVALEACH Evaluation of each individual's fitness value.
%	bit_n: number of bits for each input variable
%	chromosome: bit string representation of an individual
%	range: range of input variables, a ver_n by 2 matrix
%	fcn: objective function (a MATLAB string)
if mode==0     % Bianry GA mode   
   var_n  = length(chromosome)/bit_n;
   input = zeros(1, var_n);  
   for i = 1:var_n,
	input(i) = xbit2num(chromosome((i-1)*bit_n+1:i*bit_n), range(:,i)); % Convert binary to decimal
   end;
else                  % CGA
   input=chromosome;
end
PI = feval(fcn, input);   % Call function   % Floating point GA mode too
chromosome_real=input;