In this paper, multi-soliton solutions of two (2+1)-dimensional systems [Dt sinh(1/2 Dn) + Dx3 sinh(1/2 Dn)]fn·fn = 0 and [DxD t cosh(1/2 Dn) + Dt sinh(1/2 D n)]fn·fn = 0 are derived and expressed by pfaffians.
Scopus Subject Areas
- Physics and Astronomy(all)
- Differential-difference equations
- Hirota bilinear form
- Soliton solutions