function fv=c_8_p_5_fn(x) % The function we want to minimize fv = 0.5 * ( x(1)^4 - 16 * x(1)^2 + 5 * x(1) ) + 0.5 * ( x(2)^4 - 16 * x(2)^2 + 5 * x(2) ) + ( x(3) - 1 )^2 + ( x(4) - 1 )^2 + ( x(5) - 1 )^2;