Figure 1

Analytical result of \(|s_{1,2}(k,t)|\) gives dark soliton by using BSODE method, for \(f = 0.99\), \(\Theta = 0.05\), \(\eta = 1.14\), \(\delta = 0.55\), \(e = 0.0095\), (a): 3D plot, (b): t-variant, (c): \(\xi\)-variant.

Analytical result of \(|s_{1,2}(k,t)|\) gives dark soliton by using BSODE method, for \(f = 0.99\), \(\Theta = 0.05\), \(\eta = 1.14\), \(\delta = 0.55\), \(e = 0.0095\), (a): 3D plot, (b): t-variant, (c): \(\xi\)-variant.