Automatic Rendering of Astrodynamics Expressions for Efficient Evaluation

In this paper, we describe the automatic rendering of expressions computed using symbolic manipulation. Computations from astrodynamics frequently can be put in a fixed hierarchy of polynomials and Fourier series. Once in this form, FORTRAN subprograms can be generated automatically in a form that l...

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Veröffentlicht in:	The Journal of the astronautical sciences 1998-01, Vol.46 (1), p.65-81
Hauptverfasser:	Healy, Liam M, Travisano, Jeffrey J
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Sprache:	eng
Schlagworte:	Astrodynamics FORTRAN FORTRAN (programming language) Fourier series Fourier transforms Hierarchical systems Orbits Polynomials Rendering Subroutines
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description	In this paper, we describe the automatic rendering of expressions computed using symbolic manipulation. Computations from astrodynamics frequently can be put in a fixed hierarchy of polynomials and Fourier series. Once in this form, FORTRAN subprograms can be generated automatically in a form that lends itself to numerical evaluation. The goal of the current work is to present an approach for using symbolic manipulation techniques to produce a Fortran representation of the normalized Hamiltonian and other supporting equations representing as many of the actual physical effects on satellites as possible.
doi_str_mv	10.1007/BF03546193
format	Article
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subjects	Astrodynamics FORTRAN FORTRAN (programming language) Fourier series Fourier transforms Hierarchical systems Orbits Polynomials Rendering Subroutines
title	Automatic Rendering of Astrodynamics Expressions for Efficient Evaluation
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