Solitary Wave Solutions of the Boussinesq Equation and Its Improved Form

Figure 1

Hyperbolic function solution (20a) of the Boussinesq equation (5) for 𝑞=−1, 𝑘=−1, 𝜔=1/2, 𝜆=4, 𝜇=1, and 𝜂_ℋ=0.