说明：  计算时间序列的李雅普诺夫指数的著名wolf算法，比较经典与精简，适合物理专业配合所求解得非线性方程使用
(Calculation of time series of well-known Lyapunov exponent wolf algorithm, compared with the streamlining of the classic, suitable for solving physics with the use of a non-linear equation)