(a) |

(b) |

(c) |

(d) |

(e) |

(f) |

(g) |

(h) |

Figure 5: Phase portraits of various types of attractors distributed in different locations of the parameter space of and . (a) Two point attractors. (b) Right- and left-period-1 limit cycles with small size. (c) Right- and left-period-1 limit cycles with large size. (d) Right- and left-multiperiod limit cycles. (e) Right- and left-chaotic spiral attractors. (f) Right- and left-half-baked double-scroll chaotic attractors. (g) Standard double-scroll chaotic attractor. (h) Unbounded orbit. |