function g = Gradiente_temp(x)

    %g = ones(1,1);
    %g(1) = (x(1) - 3)/4;
 
    g = ones(2,1);
    g(1) = 16*x(1)^3- 21*x(1)^2 - 4*x(1) + 3*x(2);
    g(2) = 3*x(1) + 4*x(2)^3;
end