Approximate conditions admitted by classes of the Lagrangian L=12(−u′2+u2)+ϵiGi(u,u′,u″)

Author:

Jamal SameerahORCID,Mnguni Nkosingiphile

Funder

National Research Foundation

Publisher

Elsevier BV

Subject

Applied Mathematics,Computational Mathematics

Reference34 articles.

1. Approximate symmetries of equations with a small parameter;Baikov;Mat. Sb.,1988

2. On approximate symmetry and approximate solutions of the non-linear wave equation with a small parameter;Fushchich;J. Phys. A Math. Gen.,1989

3. Group theoretic methods for approximate invariants and Lagrangians for some classes of y″+ϵf(t)y′+y=f(y,y′);Feroze;Int. J. Non Linear Mech.,2002

4. Variational formulation of approximate symmetries and conservation laws;Johnpillai;Int. J. Theor. Phys.,2001

5. Approximate symmetries of the van der pol equation;Baikov;Diff. Equ.,1994

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