MINIMIZATION OF ROSENBROCK'S FUNCTION
start point   :       18        15 
value(start)  : 9.54839e+06
minimum found :        1         1 
steps         : 117
value(min)    : 9.57642e-12
acc           : 1.0e-03
gradient(min) :  0.00013 -6.01e-05 

MINIMIZATION OF HIMMELBLAU'S FUNCTION
start point   :       18        15 
value(start)  : 163280
steps         : 10
minimum       :    -3.78     -3.28 
value(min)    : 3.24265e-11
acc           : 1.0e-03
gradient(min) : 3.24e-05 -7.34e-05