ga_f551.m

书籍代码:遗传演算法原理与应用_活用MATLAB(Source Code)

function PI=GA_f551(chro)
% Fitness function evaluation of Example 5.5-1

% PenChen Chou, 8-10-2001

global MIN_offset
x=chro(1); y=chro(2);
z=x^2+y^2-0.3*cos(3*pi*x)-0.4*cos(4*pi*y)+0.7;
PI=MIN_offset-z;