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Table 9 Invariants for interaction of two solitary waves with \( p=2,c_{1}=4,c_{2}=1,x_{1}=25,x_{2}=55,h=0.2,{\Delta{t}}=0.025,\mu =1,x\in \left[ 0,250\right] \)

From: A numerical investigation of the GRLW equation using lumped Galerkin approach with cubic B-spline

Time

\({I_{1}}\)

\({I_{2}}\)

\({I_{3}}\)

Ours-CBSG

QBSPG (Roshan 2012)

Ours-CBSG

QBSPG (Roshan 2012)

Ours-CBSG

QBSPG (Roshan 2012)

0

11.4676

11.4677

14.6290

14.6286

22.8804

22.8788

4

11.4674

11.4677

14.6287

14.6292

22.8783

22.8811

8

11.4685

11.4677

14.6360

14.6229

22.9020

22.8798

12

11.4663

11.4677

14.6257

14.6299

22.8717

22.8803

16

11.4664

11.4677

14.6260

14.6295

22.8686

22.8805

20

11.4662

11.4677

14.6253

14.6299

22.8650

22.8806