Statistics – Computation
Scientific paper
Aug 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jcoph..24..416w&link_type=abstract
Journal of Computational Physics, vol. 24, Aug. 1977, p. 416-444. ARPA-supported research.
Statistics
Computation
55
Computer Techniques, Curve Fitting, Error Analysis, Exponential Functions, Planetary Atmospheres, Radiative Transfer, Absorption Spectra, Algorithms, Atmospheric Scattering, Convergence, Molecular Absorption, Sums
Scientific paper
The paper presents a fast numerical method for performing exponential sum fitting of transmissions based on the theory of Cantor and Evans (1970). The method is well conditioned, has guaranteed convergence to best fit, automatically selects some optimal number of terms, satisfies constraints on coefficients dictated by physical reasons, and produces fits whose accuracy is regulated primarily by the accuracy of the data. Sample fits of the Goody and Malkmus band models and to Yamamoto's H2O solar absorption data are given.
Evans John W.
Wiscombe Warren J.
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