A Novel Memcapacitor Model and Its Application for Image Encryption Algorithm

Figure 3

Phase portraits of system (6). Phase portraits of (a) system (6) x vs. y, (b) system (6) x vs. z, (c) system (6) y vs. z, and (d) system (6) x vs. z vs. z.

(a)

(b)

(c)

(d)