Figure 5

Relationships between \(\psi _1\) and \(c_1\) for periodic solutions with various values of k and d in the model. The solution type depends little on k, but substantially depends on d.

Relationships between \(\psi _1\) and \(c_1\) for periodic solutions with various values of k and d in the model. The solution type depends little on k, but substantially depends on d.