Fig. 20

(Matlab R2017a (9.2.0.538062)) The 3 dim, contour and line plots of \(|\Phi _{6}\left( x,y,t\right) |\) for \(\sigma =0.09, \zeta _{1}=10.50, \zeta _{2}=10.70, {{w}}=4.7, k=2, \lambda =2.25, \theta =0.02, \rho =-98825.5, y=1, z=0,\) and \(\Xi (t)=\)randn.