Fig 3 -

(a) Phase portrait for system ( 5 ) for c 0 = 1.2, c 1 = −2, c 2 = 0.1, c 3 = 0.941527, D = 1, k = 1, α = 1, γ = 1, λ = −0.1, ϵ = 1, A = 0, and B = −1, (b) Profile of the solution according to the saddle point (Right-Blue point), and (c) Profile of the solution according to the central point (Left-Red point).