FINDING THE ROOT OF THE GRADIENT OF THE ROSENBROCK FUNCTION:

 dx=   9.99999997E-07 eps=   1.00000005E-03
 START POINT:  -2.00000000       8.00000000    
 ncalls=        3382
 ROOT       :  0.999984622      0.999970436    
    gradient:  -5.07585821E-04   2.38418579E-04

 FINDING ROOTS OF THE GRADIENT OF THE HIMMELBLAU FUNCTION:
 dx=   9.99999997E-07 eps=   1.00000005E-03

 START POINT:   4.00000000       3.00000000    
 ROOT       :   3.00000048       2.00000000    
    gradient:   3.52859570E-05   9.53674316E-06

 START POINT:  -2.00000000       3.00000000    
 ROOT       :  -2.80512190       3.13131213    
    gradient:  -2.47812946E-04  -3.56808814E-05

 START POINT:  -4.00000000      -3.00000000    
 ROOT       :  -3.77931190      -3.28318644    
    gradient:  -1.71095817E-04   1.03638213E-05

 START POINT:   4.00000000      -2.00000000    
 ROOT       :   3.58442950      -1.84812617    
    gradient:   1.23061618E-04   1.71661377E-05

 START POINT:  -1.00000000      -1.00000000    
 ROOT       : -0.270845801     -0.923032165    
    gradient:   2.28881836E-05  -1.01089478E-04