A dynamic and adaptable algorithm for choosing the time-window and step size is given, based on the split-step Fourier method for solving the nonlinear Schr? dinger equation( NLSE).

• 在分步傅里叶算法求解非线性薛定谔方程的基础上,发展了一种动态自适应算法,以达到对时间窗口和步长的动态选择。