Figure 3
From: Boundary linear stabilization of the modified generalized Korteweg–de Vries–Burgers equation

A 3-d landscape of the dynamics of the MGKdVB equation using the linear adaptive control law; \(\sigma =0.01\), \(\gamma _{1}= 1\), \(r_{1}=0.2 \), and \(u_{0}(x)=\sin (\pi x)\); (a) \(\alpha =1 \); (b) \(\alpha =2\); (c) \(\alpha = 3\); (d) \(\alpha =4\)