fminunc_test

fun = {@(x)sum(-x.*sin(sqrt(abs(x))), 2),
       @(x)sum(x.^2-10*cos(2*pi*x)+10,2),
       @(x)-20*exp(-0.2*sqrt(sum(x.^2,2)/30))-exp(sum(cos(2*pi*x),2)/30)+20+exp(1),
       @(x)sum(x.^4-16*x.^2+x,2)/100,
       @(x)sum((1-x(:,1:end-1)).^2 + 100*(x(:,2:end)-x(:,1:end-1).^2).^2,2),
       @(x)sum(x.^2,2),
       @(x)sum(x.^4,2)+rand(size(x, 1),1),
       @(x)sum(abs(x),2)+prod(abs(x),2),
       @(x)max(abs(x), [], 2)};
lb = {-500*ones(1, 30),
      -5.12*ones(1,30),
      -32*ones(1,30),
      -5*ones(1,100),
      -5*ones(1,100),
      -100*ones(1,30),
      -1.28*ones(1,30),
      -10*ones(1,30),
      -100*ones(1,30)};
ub = {500*ones(1, 30),
      5.12*ones(1,30),
      32*ones(1,30),
      5*ones(1,100),
      10*ones(1,100),
      100*ones(1,30),
      1.28*ones(1,30),
      10*ones(1,30),
      100*ones(1,30)};
for i = 8:length(fun)-1
    fval = inf;
    for j = 1:10
        fval0 = gaunc(fun{i}, lb{i}, ub{i});
        if fval0 < fval
            fval = fval0;
        end
    end
    fprintf('第%d个函数的最小值为%f\n', i, fval)
end