Figure 3From: Attracting and invariant sets of nonlinear neutral differential equations with delays The state trajectory of x 1 (t) , x 2 (t) of the model ( 28 ) with initial conditions ϕ 1 (s)=3+2cosπs , ϕ 2 (s)=−3+2sinπs , s∈[−1,0] . Back to article page