Fig. 1
Three-dimensional figures of (22).
Fig. 2
Two-dimensional time evolution graphs of equation (22) where values of t are presented in the legend.
Fig. 3
Three-dimensional figures of equation (24).
Fig. 4
Three-dimensional revolving plot of equation (24).
Fig. 5
Three-dimensional figures of equation (26).
Fig. 6
Three-dimensional figures of equation (33).
Fig. 7
Contour surface plots of equation (33).
Fig. 8
Two dimensional time-evolution graphs of equation (37) where t values are existed in the legend.
Fig. 9
Three-dimensional figures of equation (46).
Fig. 10
Contour surface plots of equation (46).
Fig. 11
Two-dimensional time-evolution graphs of equation (46) where −20 ≤ x ≤ 20, and t values are mentioned in the legend.