Exp-Function Method for a Generalized MKdV Equation

Figure 2

Evolution of the solutions of (25). (a) Bright soliton: parameters are 𝛼=1, 𝛽=1, 𝑎₁=1, 𝑏₀=2, and 𝑘=2. (b) A bright soliton in collision with two dark solitons: parameters are 𝛼=1, 𝛽=1, 𝑎₁=1, 𝑏₀=−1, and 𝑘=−3.

(a)

(b)