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2008 International Workshop on Education Technology and Training & 2008 International Workshop on Geoscience and Remote Sensing
Improving Algorithm to Compute Geodetic Coordinates
Shanghai, China
December 21-December 22
ISBN: 978-0-7695-3563-0
An improved algorithm for computing geodetic coordinates from Cartesian coordinates is presented. The algorithm solves a quartic equation of the Lagrange parameter using Newton-Raphson(NR) method. A initial guess is given weightily that works rigorously for most points except in a small near-geocenter region. Numerical experiments and comparisons with some other methods show that the new algorithm is fast, stable and sufficiently precise.
Index Terms:
geodetic coordinates; Cartesian coordinates; coordinates transformation
Citation:
Chanfang Shu, Fei Li, Shuwei Wang, "Improving Algorithm to Compute Geodetic Coordinates," ettandgrs, vol. 2, pp.340-343, 2008 International Workshop on Education Technology and Training & 2008 International Workshop on Geoscience and Remote Sensing, 2008
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