sa_f553.m

书籍代码:遗传演算法原理与应用_活用MATLAB(Source Code)

function PI=SA_f553(chro)
% Fitness function evaluation of Example 5.5-3

% PenChen Chou, 8-10-2001

x=chro(1); y=chro(2);
%A1=sin(sqrt(x^2+y^2));
%A2=A1^2-0.5;
%B1=0.001*(x^2+y^2);
%B2=1+B1^2;
%PI=-(0.5-A2/B2);
PI=x*sin(4*x)+1.1*y*sin(2*y);