Further Results on the Traveling Wave Solutions for an Integrable Equation

Figure 1

The phase portraits of Sy. (16). When 𝑝−𝑞 is even and 𝑐>0, (a) and (b) are the phase portraits of system (16) for 𝑝>𝑞 and 𝑝<𝑞, respectively. When 𝑝−𝑞 is odd, (c)–(f) are the phase portraits of system (16) for 𝑝>𝑞 and 𝑐>0, 𝑝>𝑞 and 𝑐<0, 𝑝<𝑞 and 𝑐>0, 𝑝<𝑞 and 𝑐<0, respectively.

(a)

(b)

(c)

(d)

(e)

(f)