griewank.asv

来自「包括建初始种群」· ASV 代码 · 共 10 行

function  y=Griewank(x)
[m n]=size(x);
for i=1:m
  for j=1:n
      t1(i,j)=cos(x(i,j)/sqrt(i));
      t2(i,j)=cumprod(t1(i,j));
end
t2=cumprod(t1);
y=(sum(x.*x)')'/4000-t2(m);