#NEWLINE# def newton_point( self ) : #NEWLINE# #INDENT# '\n        The Newton point is a global minimum of the approximate function.\n        ' #NEWLINE# if ( self . _newton_point is None ) : #NEWLINE# #INDENT# g = self . jac #NEWLINE# B = self . hess #NEWLINE# cho_info = scipy . linalg . cho_factor ( B ) #NEWLINE# self . _newton_point = ( - scipy . linalg . cho_solve ( cho_info , g ) ) #NEWLINE# #UNINDENT# return self . _newton_point