Peaked and Smooth Solitons for 𝐾^∗(4,1) Equation

Figure 1

The phase portraits of (8) on the (𝑢,𝑢^′) plane.

(a) 𝐴<0, 𝑐>0

(b) 𝐴=0, 𝑐<0

(c) 𝛽=0

(d) −1<𝛽<0

(e) 𝛽=−1

(f) −2<𝛽<−1

(g) 𝛽=2

(h) 𝛽>2