Mathematical Problems in Engineering / 2015 / Article / Fig 4

Research Article

Colpitts Chaotic Oscillator Coupling with a Generalized Memristor

Figure 4

Phase portraits of the memristive Colpitts oscillator by numerical simulations: (a) versus ; (b) versus ; (c) versus ; (d) versus .
(a)
(b)
(c)
(d)