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1: Bibliography D
2: Bibliography N
3: 13.30 Tables
§13.30 Tables
βΊΕ½urina and Osipova (1964) tabulates and for , , , 7D or 7S.
Slater (1960) tabulates for , , and , 7–9S; for and , 7D; the smallest positive -zero of for and , 7D.
Abramowitz and Stegun (1964, Chapter 13) tabulates for , , and , 8S. Also the smallest positive -zero of for and , 7D.
Zhang and Jin (1996, pp. 411–423) tabulates and for , , and , 8S (for ) and 7S (for ).
4: 6.20 Approximations
§6.20(i) Approximations in Terms of Elementary Functions
… βΊCody and Thacher (1968) provides minimax rational approximations for , with accuracies up to 20S.
Cody and Thacher (1969) provides minimax rational approximations for , with accuracies up to 20S.
MacLeod (1996b) provides rational approximations for the sine and cosine integrals and for the auxiliary functions and , with accuracies up to 20S.
Luke (1969b, p. 25) gives a Chebyshev expansion near infinity for the confluent hypergeometric -function (§13.2(i)) from which Chebyshev expansions near infinity for , , and follow by using (6.11.2) and (6.11.3). Luke also includes a recursion scheme for computing the coefficients in the expansions of the functions. If the scheme can be used in backward direction.
5: Software Index
Open Source | With Book | Commercial | |||||||||||||||||||||||
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13 Confluent Hypergeometric Functions | |||||||||||||||||||||||||
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Such software ranges from a collection of reusable software parts (e.g., a library) to fully functional interactive computing environments with an associated computing language. Such software is usually professionally developed, tested, and maintained to high standards. It is available for purchase, often with accompanying updates and consulting support.
6: 2.11 Remainder Terms; Stokes Phenomenon
7: Bibliography
8: Errata
This equation was updated to include the definition of Bessel polynomials in terms of Laguerre polynomials and the Whittaker confluent hypergeometric function.
A note about the multivalued nature of the Kummer confluent hypergeometric function of the second kind on the right-hand side of (7.18.10) was inserted.
Confluent hypergeometric functions were incorrectly linked to the definitions of the Kummer confluent hypergeometric and parabolic cylinder functions. However, to the eye, the functions appeared correct. The links were corrected.
A new Subsection Continued Fractions, has been added to cover computation of confluent hypergeometric functions by continued fractions.
Originally the left-hand side was given correctly as ; the equation is true also for .