Physics – Optics
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...233..661e&link_type=abstract
Astrophysical Journal, Part 1, vol. 233, Oct. 15, 1979, p. 661-663.
Physics
Optics
2
Atmospheric Optics, Markov Chains, Planetary Atmospheres, Radiative Transfer, Algorithms, Coding, Computer Programs, Formalism, Stochastic Processes
Scientific paper
An adding algorithm is presented, that extends the Markov chain method and considers a preceding calculation as a single state of a new Markov chain. This method takes advantage of the description of the radiation transport as a stochastic process. Successive application of this procedure makes calculation possible for any optical depth without increasing the size of the linear system used. It is determined that the time required for the algorithm is comparable to that for a doubling calculation for homogeneous atmospheres. For an inhomogeneous atmosphere the new method is considerably faster than the standard adding routine. It is concluded that the algorithm is efficient, accurate, and suitable for smaller computers in calculating the diffuse intensity scattered by an inhomogeneous planetary atmosphere.
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