schwefel.m

来自「粒子群算法」· M 代码 · 共 12 行

%;word-wrap:break-word">%The DeJong (Sphere) function for use with the psotoolbox
%
% Function Description:
% Equation -> sum ( x(i)^2 )
%      xmin  = [0, 0, 0.....0]  (all zeroes)
%      fxmin = 0                  (zero)
function Schw = Schwefel(Swarm)
[SwarmSize, Dim] = size(Swarm);
Schw = sum((Swarm.*sin(sqrt(abs(Swarm))))')';
Schw=Schw.*(-1);