(self, xstart, **more_args)
``xstart`` is a mandatory argument
``xstart`` is a mandatory argument
xstart is a mandatory argument
def __init__(self, xstart, **more_args):
        """``xstart`` is a mandatory argument"""
        self.xstart = xstart
        self.more_args = more_args
        self.initialize()
def __init__ ( self , xstart , * * more_args ) : self . xstart = xstart self . more_args = more_args self . initialize ( )