Fig. 16

The a. quasi-periodic and b. quasi-periodic patterns in perturbed system (57) for \(\kappa = -5, {p} = 1, {q} = 1, \lambda = 5, \mu = 1, l_0 = 5, \delta = \pi , m=2\) with initial conditions \(Z(0)=0.1,W(0)=0.1\).