Figure 3. Two-soliton solution Qpq at y = 0 in the case of (4.6) with the parameters chosen as ${\sigma }_{1}=0.1,{\phi }_{1}=\pi /6;{\sigma }_{2}=0.2,{\phi }_{2}=2\pi /3;$ and ${a}_{1}=0.2,{a}_{2}=0.4,{a}_{3}=0.6;{b}_{1}=0.3,{b}_{2}=0.5,{b}_{3}=0.7$.
