(a) |

(b) |

(c) |

(d) |

(e) |

(f) |

(g) |

(h) |

Figure 4: Phase portraits of coexisting infinitely many attractors in the - plane for different values of and . (a) Right- and left-point attractors. (b) Right- and left-period-1 limit cycles with small size. (c) Left- and right-period-1 limit cycles with large size. (d) Left- and right-multiperiod limit cycles. (e) Left- and right-chaotic spiral attractors. (f) Left- and right-half-baked double-scroll chaotic attractors. (g) Standard double-scroll chaotic attractor. (h) Unbounded orbit. |