Fig. 5From: Traveling wave solutions of Zakharov–Kuznetsov-modified equal-width and Burger’s equations via \( {\text{exp}}( - \varphi \left( \eta \right)) \)-expansion methodSingular kink wave solution \( u_{5} \) when \( a_{2} = 0.5, a_{0} = 0.2, y = 0, \lambda = 0.1, c_{1} = - 0.1 \) Back to article page