Exp-Function Method for a Generalized MKdV Equation

Figure 3

Evolution of the solutions of (25). (a) Two-peak bright soliton: parameters are 𝛼=1, 𝛽=−1, 𝑎₁=−5, 𝑏₀=−2, and 𝑘=3. (b) A bright soliton in collision with a dark soliton: parameters are 𝛼=1, 𝛽=−1, 𝑎₁=3, 𝑏₀=−1, and 𝑘=4.

(a)

(b)