function S=test35(x)
// x0 = zeros(n,1)
// xo = ones(n,1)*420.9687
// S(xo) = -n (aprox.)
 n=length(x);
 S=418*n-sum(x.*sin(sqrt(abs(x))));

//   n=length(x0);
//   [xo,Ot,nS]=swarm('test35',zeros(n,1),0,ones(n,1),-500*ones(n,1),500*ones(n,1),[],100,20)
//
endfunction
