Runge-Kutta Integration of the Equal Width Wave Equation Using the Method of Lines

Table 5

Invariants for the interaction of two solitary waves.

Time	Present method			[32]
	5	27.0002	80.9921	218.701	27.00001	81.00029	218.70226
10	27.0002	80.9892	218.679	27.00000	80.94427	218.66114
15	27.0002	80.9648	218.488	27.00055	80.94396	218.32641
20	27.0002	80.9874	218.67	27.00011	80.99415	218.65843
25	27.0002	80.9909	218.697	27.00044	80.00148	218.70712
30	27.0002	80.9913	218.698	27.00024	80.00140	218.70694