trigonometric series expansions
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21: 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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§2.11(iii) Exponentially-Improved Expansions
… ►In this way we arrive at hyperasymptotic expansions. … ►The transformations in §3.9 for summing slowly convergent series can also be very effective when applied to divergent asymptotic series. …22: 18.18 Sums
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§18.18(i) Series Expansions of Arbitrary Functions
… ►Legendre
… ►Laguerre
… ►Hermite
… ►Ultraspherical
…23: 22.10 Maclaurin Series
§22.10 Maclaurin Series
►§22.10(i) Maclaurin Series in
… ►The full expansions converge when . ►§22.10(ii) Maclaurin Series in and
… ►24: 1.8 Fourier Series
§1.8 Fourier Series
… ► … ►Uniqueness of Fourier Series
… ►For collections of Fourier-series expansions see Prudnikov et al. (1986a, v. 1, pp. 725–740), Gradshteyn and Ryzhik (2000, pp. 45–49), and Oberhettinger (1973).25: 3.10 Continued Fractions
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§3.10(ii) Relations to Power Series
►Every convergent, asymptotic, or formal series … ►We say that it corresponds to the formal power series … ►We say that it is associated with the formal power series in (3.10.7) if the expansion of its th convergent in ascending powers of , agrees with (3.10.7) up to and including the term in , . … ►Forward Series Recurrence Algorithm
…26: 7.6 Series Expansions
§7.6 Series Expansions
►§7.6(i) Power Series
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7.6.5
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►The series in this subsection and in §7.6(ii) converge for all finite values of .
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§7.6(ii) Expansions in Series of Spherical Bessel Functions
…27: 28.5 Second Solutions ,
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►As with , , , , and .
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►For further information on , , and expansions of , in Fourier series or in series of , functions, see McLachlan (1947, Chapter VII) or Meixner and Schäfke (1954, §2.72).
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28: 5.7 Series Expansions
§5.7 Series Expansions
►§5.7(i) Maclaurin and Taylor Series
… ►For 15D numerical values of see Abramowitz and Stegun (1964, p. 256), and for 31D values see Wrench (1968). … ►For 20D numerical values of the coefficients of the Maclaurin series for see Luke (1969b, p. 299). ►§5.7(ii) Other Series
…29: 14.18 Sums
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§14.18(i) Expansion Theorem
►For expansions of arbitrary functions in series of Legendre polynomials see §18.18(i), and for expansions of arbitrary functions in series of associated Legendre functions see Schäfke (1961b). … ►Zonal Harmonic Series
… ►Dougall’s Expansion
…30: 28.2 Definitions and Basic Properties
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►With we obtain the algebraic form of Mathieu’s equation
…With we obtain another algebraic form:
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is an entire function of .
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►The Fourier series of a Floquet solution
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►Near , and can be expanded in power series in (see §28.6(i)); elsewhere they are determined by analytic continuation (see §28.7).
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