Solitary Wave Solutions of the Boussinesq Equation and Its Improved Form

Figure 2

Trigonometric function solution (22a) of the Boussinesq equation (5) for 𝑞=−1, 𝑘=−1, 𝜔=1/20, 𝜆=4, 𝜇=−1, and 𝜂_𝒯=0.