f5.m

一种全局收敛且收敛速度大大改善的的粒子群算法

function y=f5(x)
% This is Ackley Function
% x is a vector
d=length(x);
y1=20*exp((-0.2)*sqrt(sum(x.^2)/d));
y2=exp(sum(cos(2*pi*x))/d);
y=20+exp(1)-y1-y2;