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A SYSTEMATIC METHOD OF FINDING LINEARIZING TRANSFORMATIONS FOR NONLINEAR ORDINARY DIFFERENTIAL EQUATIONS II: EXTENSION TO COUPLED ODEs
Abstract:In this second paper on the method of deriving linearizing transformations for nonlinear ODEs, we extend the method to a set of two coupled second-order nonlinear ODEs. We show that beside the conventional point, Sundman and generalized linearizing transformations one can also find a large class of mixed or hybrid type linearizing transformations like point-Sundman, point-generalized linearizing transformation and Sundman-generalized linearizing transformation in coupled second-order ODEs using the integrals of motion. We propose suitable algorithms to identify all these transformations (with maximal in number) in a straightforward manner. We illustrate the method of deriving each one of the linearizing transformations with a suitable example.
Keywords:Nonlinear ODEs  linearization  first integrals
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