Figure 4From: Dynamic behavior of traveling wave solutions for new couplings of the Burgers equations with time-dependent variable coefficients The propagation of two-kink solution ( 12 ) with \(\pmb{s_{1}=0.25}\) , \(\pmb{s_{2}=0.5}\) , \(\pmb{\alpha_{j}(t)=\frac{\sqrt{\pi}}{2}(-t^{2}+t-1)}\) and \(\pmb{\beta_{j}(t)=\frac{\sqrt{\pi}}{2}(t^{2}-t+1)}\) . Back to article page