(a) |

(b) |

(c) |

(d) |

Figure 1: (a) Largest Lyapunov exponents corresponding to (c). (c) Flip bifurcation diagrams of system (2) in () at the fixed point , and not only the initial value point , but also , , , , , , and ; meanwhile, . (b) Largest Lyapunov exponents corresponding to (d). (d) Local amplification of (b) for . |