Solitary Wave Solutions of the Boussinesq Equation and Its Improved Form

Figure 4

Trigonometric function solution (22a) of the improved Boussinesq equation (6) for 𝑞=−1, 𝑘=−1, 𝜔=1/20, 𝜆=4, 𝜇=−1, and 𝜂_𝒯=0.