[CIG-MC] CitcomS Legendre polynomial normalization

Joy Hines jmhines at ucdavis.edu
Wed Mar 3 15:45:36 PST 2010


I have been looking at the geoid output from CitcomS, and am not sure why a
non-standard normalization is used for the Legendre polynomials in the
function modified_plgndr_a.  The recursion used in CitcomS differs from the
algorithm given in Numerical Recipes in C (Press, 2nd Ed., p. 254).  Is
there a reference for the modification of the standard normalization?

Thanks very much,
Joy Hines

Graduate Student Researcher
Department of Geology
University of California, Davis
2205 Earth & Physical Sciences
Davis, CA 95616
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