Figure 1
From: Exact solutions of unsteady Korteweg-de Vries and time regularized long wave equations
Bell shaped Soliton profile of KdV equation for λ = 3, μ = 1, k = 0, α = 2, δ = 1 and wave speed ω = 1 within the interval − 3 ≤ x , t ≤ 3. (only shows the shape of u 1(ξ)), The left figure shows the 3D plot and the right figure shows the 2D plot for t = 0.