Geodesic
Highly accurate calculation of radial spheroidal functions
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 46 (2006) no. 6, pp. 996-1001 Cet article a éte moissonné depuis la source Math-Net.Ru

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A new method for calculating the radial spheroidal functions of the first kind is proposed for the arguments that are greater than unity in modulus. A well-known representation of these functions is refined and used for this purpose. The constructs and the software implementation proposed in the paper provide an efficient tool for the calculation of the functions with a desired accuracy in a wide range of parameters. 
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A. A. Abramov; S. V. Kurochkin. Highly accurate calculation of radial spheroidal functions. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 46 (2006) no. 6, pp. 996-1001. http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_6_a3/

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