Find the roots of a function.
Return the roots of the (nonlinear) equations defined by func(x) = 0 given a starting estimate.
Parameters :  func : callable f(x, *args)
x0 : ndarray
args : tuple
fprime : callable(x)
full_output : bool
col_deriv : bool


Returns :  x : ndarray
infodict : dict
ier : int
mesg : str

Other Parameters:  
xtol : float
maxfev : int
band : tuple
epsfcn : float
factor : float
diag : sequence

Notes
fsolve is a wrapper around MINPACK’s hybrd and hybrj algorithms.