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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Geophysic...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Journal of Geophysical Research Atmospheres
Article . 1973 . Peer-reviewed
License: Wiley TDM
Data sources: Crossref
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Functional analysis, formula manipulation, and satellite geodesy

Authors: James N. Hanson;

Functional analysis, formula manipulation, and satellite geodesy

Abstract

Functional analysis algorithms as developed by Kantorovich provide a rigorous theory for the convergence of iterative methods, specifically Newton's method, to a wide class of nonlinear functional equations on Banach spaces. The numerical application of the Newton-Kantorovich theorem, quasilinearization, has been demonstrated by Bellman. Here this theorem has also been applied symbolically in order to explore the feasibility of obtaining accurate analytic solutions by automatic formula manipulation. These solution methods are applied to satellite perturbations in polar coordinates or in orbital elements for the relativistic, oblateness, and atmospheric perturbations. The accuracy of these calculations is a priori set by error bounds; e.g., the well-known relativistic pericenter precession and a correction to it are found in one iteration. By virtue of the small deviations of perturbed planetary orbits from a Keplerian orbit, accurate initial approximations can be selected that yield very accurate first iterates, and the inverse Frechet derivatives of the appropriate nonlinear operators are linear and easily constructed. The application to differential equations of satellite geodesy provide a potentially efficient method of obtaining analytical expressions for the dependence of satellite orbits, e.g., on geoid and atmospheric parameters.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
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