MINIMIZATION OF ROSENBROCK'S FUNCTION
start point   :       18        15 
value(start)  : 9.54839e+06
minimum found :        1         1 
steps         : 119
value(min)    : 3.31884e-11
acc           : 1.0e-03
gradient(min) :-4.63e-05  2.19e-05 

MINIMIZATION OF HIMMELBLAU'S FUNCTION
start point   :       18        15 
value(start)  : 163280
steps         : 11
minimum       :    -3.78     -3.28 
value(min)    : 3.24263e-11
acc           : 1.0e-03
gradient(min) : 3.24e-05 -7.34e-05