asymptotic scale or sequence
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1: 2.1 Definitions and Elementary Properties
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βΊLet , , be a sequence of functions defined in such that for each
βΊ
2.1.19
in ,
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βΊThen is an asymptotic sequence or scale.
Suppose also that and satisfy
…Then is a generalized asymptotic
expansion of
with respect to the scale
.
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2: Bibliography G
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Exactification of the Poincaré asymptotic expansion of the Hankel integral: spectacularly accurate asymptotic expansions and non-asymptotic scales.
Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci. 470 (2162), pp. 20130529, 16.
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3: 10.41 Asymptotic Expansions for Large Order
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βΊThis is because and , do not form an asymptotic scale (§2.1(v)) as ; see Olver (1997b, pp. 422–425).
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4: 5.11 Asymptotic Expansions
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5.11.3
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βΊThe scaled gamma function is defined in (5.11.3) and its main property is as in the sector .
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5: 15.12 Asymptotic Approximations
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βΊFor the asymptotic behavior of as with , , fixed, combine (15.2.2) with (15.8.2) or (15.8.8).
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6: 3.9 Acceleration of Convergence
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§3.9(i) Sequence Transformations
βΊAll sequences (series) in this section are sequences (series) of real or complex numbers. … βΊ, a sequence for which … βΊ§3.9(iv) Shanks’ Transformation
… βΊSequences that are accelerated by Levin’s transformation include logarithmically convergent sequences, i. …7: 3.12 Mathematical Constants
8: 1.17 Integral and Series Representations of the Dirac Delta
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§1.17(i) Delta Sequences
… βΊfor a suitably chosen sequence of functions , . Such a sequence is called a delta sequence and we write, symbolically, βΊ
1.17.4
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βΊAn example of a delta sequence is provided by
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