ga_f24.m

来自「书籍代码:遗传演算法原理与应用_活用MATLAB(Source Code)」· M 代码 · 共 15 行

function PI=GA_f24(chro)
% Fitness max. function evaluation of Example 2-4

% PenChen Chou, 6-30-2001

global MIN_offset MUL_factor
x=chro(1); y=chro(2); 
A1=(sin(sqrt(x^2+y^2)))^2-0.5;
A2=(1+0.001*(x^2+y^2))^2;
PI=0.5-A1/A2;
if MIN_offset~=0
    PI=MIN_offset-PI;
end;    
PI=MUL_factor*PI;