说明：  该程序是使用极大值法计算非线性动力系统状态变量随参数变化的分岔图，既可以发现系统进入混沌的道路。
(The program uses the maximum method to calculate the bifurcation diagram of the state variables of the nonlinear dynamical system with the variation of parameters, which can discover the path of the system entering chaos.)