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

Figure 4

2D figures of solution 𝜂₅(𝜉) in (38) and 𝜂₆(𝜉) in (39) with 𝑎=−1, 𝐵=−4, Ω=4, 𝑀=3, 𝐸=1, Ψ=1, and 𝐴=1 in the intervals 𝜉∈[−10,10].

(a) 𝜂₅,𝑏₁=2,−2

(b) 𝜂₆,𝑏₁=−2