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

Figure 2

2D and 3D figures of solution 𝜂₂(𝜉) in (31) with 𝑎=1, 𝑏=1, 𝐴₁=2, 𝐶₂=−2, 𝜉₀=0, 𝜌₃=1, 𝛼=1, and 𝛽=1 in the intervals 𝑥∈[−30,30].

(a) 𝑡=0.2

(b) −2≤𝑡≤2