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On Kepler's equation

Published online by Cambridge University Press:  24 October 2008

T. M. Cherry
Affiliation:
University of Melbourne, Australia

Extract

1. Kepler's equation

has, when θ, x are real with 0 < x < 1, just one real root ξ = ξ*(θ, x). For this root there are the well-known formulae, dating from Lagrange and Bessel,

The objects of this paper are (i) to obtain analogous formulae for the unreal roots ξ of the equation, and (ii) to sum the conjugates (as Fourier series in θ) of the series on the right of (2) and (3).

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1955

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References

It may be emphasized that (38) is not an analytic continuation of (31); it is got by combining a continuation of (8) with a continuation, along a different path, of the conjugate of (8).