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

Figure 3

3D figures of solution 𝜂₃(𝜉) in (34) and 𝜂₄(𝜉) in (35) with 𝑎=−1, 𝑏=1, 𝐵₁=−2, 𝑁=12, 𝜉₀=2, 𝜃=1, 𝜌₃=5, and 𝛽=0.2 in the intervals 𝑥∈[−30,30], 𝑡∈[−2,2].

(a) 𝜂₃

(b) 𝜂₄