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A recurrence relation for the βn-function
Authors:Lars Sjöberg
Institution:(1) Division of Geodesy, The Royal Institute of Technology, S-10044 Stockholm
Abstract:A recurrence relation is presented for the smoothing function, βn, which is used in geodesy to relate spherical harmonics to their mean values over circular areas (caps). The proposed formula does not require the computation of the Legendre's polynomials. Moreover, it is numerically more stable than the formulas ofPellinen (1969) andMeissl (1971).
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