Re: Phase space trajectory

From: Tony Roberts (aroberts_at_usq.edu.au)
Date: 02/22/05

  • Next message: Tony Roberts: "Re: nonlinear differential equation" 
    Date: Wed, 23 Feb 2005 09:27:18 +1000

    Joakim wrote:
    > Hi,
    >
    > does anyone know how to solve the following equation with perturbation
    > theory for small G. The solution must be 2pi periodic. Regular
    > perturbation doesent work.
    >
    > dy/dx=-G+(I-sinx)/y
    >
    >
    >

    You have not said what I is.

    If it is a constant you can choose, then you might find that I has to be
    a function of G, and you need to put that dependence into your
    perturbation scheme,

                                    Tony Roberts

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