lyapnov系数的算法。"这个程序得到的lambda_1不能当做最大lyapunov指数，因根据所作出的曲线选择线性区进行拟合，此处的处理是为了程序的方便"-lyapnov coefficient algorithms. The lambda_1 of this program can not be used as the largest lyapunov exponent fitting according to the linear region of the curve selectio