New Exact Solutions for a Higher-Order Wave Equation of KdV Type Using the Multiple Simplest Equation Method

Figure 5

2D figures of solution 𝜂₁₀(𝜉) in (53) with 𝑎₀=1, 𝐴₁=2, 𝐴₂=1, and 𝛿=−1 and 𝜂₂₀(𝜉) in (70) with 𝑎₁=1, 𝐴₁=2, 𝐴₂=1, and 𝛿=1.

(a) 𝜂₁₀, 𝑎₁=2,−2, −6≤𝜉≤6

(b) 𝜂₂₀, −8≤𝜉≤8