牛顿流迭代程序,与牛顿法,SimNewton,StablePiont等迭代法相比,迭代效果更好,不需要估计初值,附文献.-Newtonian iterative procedure, compared with Newton' s law, SimNewton, StablePiont and other iterative method, iterative better, do not need to estimate the initial value, and literature