Figure 3

The state trajectory of ${\mathit{x}}_{\mathbf{1}}\mathbf{(}\mathit{t}\mathbf{)}$ , ${\mathit{x}}_{\mathbf{2}}\mathbf{(}\mathit{t}\mathbf{)}$ of the model ( 28 ) with initial conditions ${\mathit{\varphi }}_{\mathbf{1}}\mathbf{(}\mathit{s}\mathbf{)}\mathbf{=}\mathbf{3}\mathbf{+}\mathbf{2}\mathbf{cos}\mathit{\pi }\mathit{s}$ , ${\mathit{\varphi }}_{\mathbf{2}}\mathbf{(}\mathit{s}\mathbf{)}\mathbf{=}\mathbf{-}\mathbf{3}\mathbf{+}\mathbf{2}\mathbf{sin}\mathit{\pi }\mathit{s}$ , $\mathit{s}\mathbf{\in }\mathbf{[}\mathbf{-}\mathbf{1}\mathbf{,}\mathbf{0}\mathbf{]}$ .