broyden:
 start point:         2          2 
nsteps=17
ncalls=84
root=      1.03       1.03 
f(root)=  -3.7e-05   1.91e-06 
eps            = 0.0001
f(root).norm() = 3.70560706366052E-05
test passed

newton:
 start point:         2          2 
nsteps=9
ncalls=28
root=      1.03       1.03 
f(root)=  -3.7e-05   1.91e-06 
eps            = 0.0001
f(root).norm() = 3.70632151083253E-05
test passed