狼羊过河问题一直困扰着我们，其他人不需帐号就可自由下载此源码 -Wolf sheep across the river has been plaguing us that other people do not have a free account can download the source code

用wolf法求最大李雅普诺夫指数,能够解决求指数的要求，精度比较高。-calculate the max Lyapunov exponent with wolf method.