A variational approach to nonlinear evolution equations in optics
- Cite this article as:
- Anderson, D., Lisak, M. & Berntson, A. Pramana - J Phys (2001) 57: 917. doi:10.1007/s12043-001-0006-z
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A tutorial review is presented of the use of direct variational methods based on Rayleigh-Ritz optimization for finding approximate solutions to various nonlinear evolution equations. The practical application of the approach is demonstrated by some illustrative examples in connection with the nonlinear Schrödinger equation.