Fig. 4

3D, contour, and 2D solution plots \(|X_4(y,t)|\) for \(\beta =1.41,b=1.2,v=2.02,\upsilon =0.95,\)\(\beta =1.41,b=1.2,v=2.02,\upsilon =0.95,\digamma =1.3,\lambda =1.24,\tau =0.71,\)\(S=0.91,\eta =1.51,\omega =2.67,\alpha =1.87\).