A Novel Memristor Chaotic System with a Hidden Attractor and Multistability and Its Implementation in a Circuit

Table 1

Attractors in system (2) with a = 5.8 and b = 7.9 under initial conditions of [1, 1, 0, u₀].

Initial condition (u0)	Colour	Attractor	Figure number
u0 = 0.1, −9, −2, −10	g	Chaotic	(a)–(c), (e)
u0 = −12.5	b	Cycle-4	(a)
u0 = −15	r	Cycle-2	(a)
u0 = 1.42, −3.68	r	Quasiperiodicity	(b)-(c)
u0 = −1	b	Chaotic	(b)
u0 = 2.25	b	Cycle-1	(c)
u0 = 22.5	g	Cycle-2	(d)
u0 = 12.35	b	Quasiperiodicity	(d)
u0 = 25	r	Cycle-1	(d)
u0 = −5	r	Chaotic	(e)
u0 = 4	b	Chaotic	(e)
u0 = 35, −5.5	b, r	Cycle-1	(f)