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31—34 of 34 matching pages
31: 8.12 Uniform Asymptotic Expansions for Large Parameter
§8.12 Uniform Asymptotic Expansions for Large Parameter
… βΊFor numerical values of to 30D for and , where , see DiDonato and Morris (1986). … βΊHigher coefficients , , up to , are given in Paris (2002b). βΊLastly, a uniform approximation for for large , with error bounds, can be found in Dunster (1996a). … βΊInverse Function
…32: 4.13 Lambert -Function
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βΊwhere for , for on the relevant branch cuts,
…See Jeffrey and Murdoch (2017) for an explicit representation for the in terms of associated Stirling numbers.
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βΊFor large enough the series on the right-hand side of (4.13.10) is absolutely convergent to its left-hand side.
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βΊFor the foregoing results and further information see Borwein and Corless (1999), Corless et al. (1996), de Bruijn (1961, pp. 25–28), Olver (1997b, pp. 12–13), and Siewert and Burniston (1973).
βΊFor a generalization of the Lambert -function connected to the three-body problem see Scott et al. (2006), Scott et al. (2013) and Scott et al. (2014).
33: 3.4 Differentiation
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βΊThe are the differentiated Lagrangian interpolation coefficients:
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βΊwhere is defined by (3.3.12), with numerical values as in §3.3(ii).
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βΊwhere is a simple closed contour described in the positive rotational sense such that and its interior lie in the domain of analyticity of , and is interior to .
Taking to be a circle of radius centered at , we obtain
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βΊWith the choice (which is crucial when is large because of numerical cancellation) the integrand equals at the dominant points , and in combination with the factor in front of the integral sign this gives a rough approximation to .
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34: 27.2 Functions
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βΊThey tend to thin out among the large integers, but this thinning out is not completely regular.
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βΊThis result, first proved in Hadamard (1896) and de la Vallée Poussin (1896a, b), is known as the prime number theorem.
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βΊand if is the smallest positive integer such that , then is a primitive root mod .
…Such a set is a reduced
residue system modulo .
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βΊwhere is a prime power with ; otherwise .
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