Figure 5

This figure shows the solution of the system of difference equations ${\mathit{x}}_{\mathit{n}\mathbf{+}\mathbf{1}}\mathbf{=}\frac{{\mathit{x}}_{\mathit{n}}{\mathit{y}}_{\mathit{n}\mathbf{-}\mathbf{2}}}{{\mathit{y}}_{\mathit{n}\mathbf{-}\mathbf{1}}\mathbf{(}\mathbf{-}\mathbf{1}\mathbf{+}{\mathit{x}}_{\mathit{n}}{\mathit{y}}_{\mathit{n}\mathbf{-}\mathbf{2}}\mathbf{)}}$ , ${\mathit{y}}_{\mathit{n}\mathbf{+}\mathbf{1}}\mathbf{=}\frac{{\mathit{y}}_{\mathit{n}}{\mathit{x}}_{\mathit{n}\mathbf{-}\mathbf{2}}}{{\mathit{x}}_{\mathit{n}\mathbf{-}\mathbf{1}}\mathbf{(}\mathbf{-}\mathbf{1}\mathbf{+}{\mathit{y}}_{\mathit{n}}{\mathit{x}}_{\mathit{n}\mathbf{-}\mathbf{2}}\mathbf{)}}$ , when we put the initial conditions ${\mathit{x}}_{\mathbf{-}\mathbf{2}}\mathbf{=}\mathbf{0.12}$ , ${\mathit{x}}_{\mathbf{-}\mathbf{1}}\mathbf{=}\mathbf{0.5}$ , ${\mathit{x}}_{\mathbf{0}}\mathbf{=}\mathbf{0.31}$ , ${\mathit{y}}_{\mathbf{-}\mathbf{2}}\mathbf{=}\mathbf{0.23}$ , ${\mathit{y}}_{\mathbf{-}\mathbf{1}}\mathbf{=}\mathbf{-}\mathbf{0.6}$ and ${\mathit{y}}_{\mathbf{0}}\mathbf{=}\mathbf{0.7}$ .