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Title: A comparative analysis of the performance of iterative and non-iterative solutions to the Cartesian to geodetic coordinate transformation
Authors: Fok, HS
Iz, BH 
Issue Date: 2003
Publisher: Hong Kong Institution of Engineering Surveyors
Source: Journal of geospatial engineering, 2003, v. 5, no. 2, p. 61-74 How to cite?
Journal: Journal of geospatial engineering 
Abstract: We examined four non-iterative and four iterative methods for the computation of ellipsoidal latitude and height from the Cartesian coordinates using a performance index, defined by the ratio of the each method’s CPU time to a reference method’s CPU time; hence the inferences about the performance of the methods are less dependent on the computing platform. We find that the iterative methods are faster than the non-iterative methods by a factor of three. Almost all of the iterative methods quickly converge to sub millimeter level right after two iterations, an accuracy which exceeds the requirements of any practical application.
ISSN: 1563-3772
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