expansions in series of hypergeometric functions
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31—40 of 63 matching pages
31: Bibliography T
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Uniform asymptotic expansions of confluent hypergeometric functions.
J. Inst. Math. Appl. 22 (2), pp. 215–223.
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Uniform asymptotic expansions of a class of integrals in terms of modified Bessel functions, with application to confluent hypergeometric functions.
SIAM J. Math. Anal. 21 (1), pp. 241–261.
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Computational aspects of incomplete gamma functions with large complex parameters.
In Approximation and Computation. A Festschrift in Honor
of Walter Gautschi, R. V. M. Zahar (Ed.),
International Series of Numerical Mathematics, Vol. 119, pp. 551–562.
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Asymptotic expansions of Kummer hypergeometric functions with three asymptotic parameters a, b and z.
Indagationes Mathematicae.
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Asymptotic expansions of Kummer hypergeometric functions for large values of the parameters.
Integral Transforms Spec. Funct. 33 (1), pp. 16–31.
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32: 19.15 Advantages of Symmetry
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►Elliptic integrals are special cases of a particular multivariate hypergeometric function called Lauricella’s
(Carlson (1961b)).
The function
(Carlson (1963)) reveals the full permutation symmetry that is partially hidden in
, and leads to symmetric standard integrals that simplify many aspects of theory, applications, and numerical computation.
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►(19.21.12) unifies the three transformations in §19.7(iii) that change the parameter of Legendre’s third integral.
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►Symmetry allows the expansion (19.19.7) in a series of elementary symmetric functions that gives high precision with relatively few terms and provides the most efficient method of computing the incomplete integral of the third kind (§19.36(i)).
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►These reduction theorems, unknown in the Legendre theory, allow symbolic integration without imposing conditions on the parameters and the limits of integration (see §19.29(ii)).
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33: 15.15 Sums
§15.15 Sums
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15.15.1
►Here () is an arbitrary complex constant and the expansion converges when .
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►For compendia of finite sums and infinite series involving hypergeometric functions see Prudnikov et al. (1990, §§5.3 and 6.7) and Hansen (1975).
34: 8.27 Approximations
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§8.27(i) Incomplete Gamma Functions
… ►Luke (1969b, p. 186) gives hypergeometric polynomial representations that converge uniformly on compact subsets of the -plane that exclude and are valid for .
Luke (1975, p. 103) gives Chebyshev-series expansions for and related functions for .
Verbeeck (1970) gives polynomial and rational approximations for , approximately, where denotes a quotient of polynomials of equal degree in .
35: Bibliography W
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Asymptotic expansions of some matrix argument hypergeometric functions, with applications to macromolecules.
Ann. Inst. Statist. Math. 45 (3), pp. 467–475.
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Computation of the Whittaker function of the second kind by summing its divergent asymptotic series with the help of nonlinear sequence transformations.
Computers in Physics 10 (5), pp. 496–503.
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Asymptotic Approximations to Truncation Errors of Series Representations for Special Functions.
In Algorithms for Approximation, A. Iske and J. Levesley (Eds.),
pp. 331–348.
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Some transformations of generalized hypergeometric series.
Proc. London Math. Soc. (2) 26 (2), pp. 257–272.
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The asymptotic expansion of the generalized hypergeometric function.
Proc. London Math. Soc. (2) 46, pp. 389–408.
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36: Bibliography N
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Confluent hypergeometric equations and related solvable potentials in quantum mechanics.
J. Math. Phys. 41 (12), pp. 7964–7996.
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Error bounds for the asymptotic expansion of the Hurwitz zeta function.
Proc. A. 473 (2203), pp. 20170363, 16.
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Uniform asymptotic expansion for the incomplete beta function.
SIGMA Symmetry Integrability Geom. Methods Appl. 12, pp. 101, 5 pages.
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Hypergeometric functions.
Acta Math. 94, pp. 289–349.
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Diffraction Effects in Semiclassical Scattering.
Montroll Memorial Lecture Series in Mathematical Physics, Cambridge University Press.
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37: 2.11 Remainder Terms; Stokes Phenomenon
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►Secondly, the asymptotic series represents an infinite class of functions, and the remainder depends on which member we have in mind.
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►These answers are linked to the terms involving the complementary error function in the more powerful expansions typified by the combination of (2.11.10) and (2.11.15).
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►For illustration, we give re-expansions of the remainder terms in the expansions (2.7.8) arising in differential-equation theory.
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►In this way we arrive at hyperasymptotic expansions.
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►The transformations in §3.9 for summing slowly convergent series can also be very effective when applied to divergent asymptotic series.
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38: 19.19 Taylor and Related Series
§19.19 Taylor and Related Series
… ►The following two multivariate hypergeometric series apply to each of the integrals (19.16.14)–(19.16.18) and (19.16.20)–(19.16.23): … ►If , then (19.19.3) is a Gauss hypergeometric series (see (19.25.43) and (15.2.1)). … ►Then has at most one term if in the series for . … ►39: Bibliography C
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Generalized hypergeometric functions and the evaluation of scalar one-loop integrals in Feynman diagrams.
J. Comput. Appl. Math. 115 (1-2), pp. 93–99.
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Power series for inverse Jacobian elliptic functions.
Math. Comp. 77 (263), pp. 1615–1621.
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Expansions in terms of parabolic cylinder functions.
Proc. Edinburgh Math. Soc. (2) 8, pp. 50–65.
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Chebyshev expansions for the Bessel function
in the complex plane.
Math. Comp. 40 (161), pp. 343–366.
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A sequence of series for the Lambert
function.
In Proceedings of the 1997 International Symposium on
Symbolic and Algebraic Computation (Kihei, HI),
pp. 197–204.
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40: 13.29 Methods of Computation
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