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1: 33.24 Tables
§33.24 Tables
►Abramowitz and Stegun (1964, Chapter 14) tabulates , , , and for and , 5S; for , 6S.
2: 8.12 Uniform Asymptotic Expansions for Large Parameter
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►Define
…where the branch of the square root is continuous and satisfies as .
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►With , the coefficients are given by
…The right-hand sides of equations (8.12.9), (8.12.10) have removable singularities at , and the Maclaurin series expansion of is given by
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►For the asymptotic behavior of as see Dunster et al. (1998) and Olde Daalhuis (1998c).
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3: 33.8 Continued Fractions
4: 13.28 Physical Applications
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►The reduced wave equation in paraboloidal coordinates, , , , can be solved via separation of variables , where
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,
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,
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5: 23.21 Physical Applications
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►The Weierstrass function plays a similar role for cubic potentials in canonical form .
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►Airault et al. (1977) applies the function to an integrable classical many-body problem, and relates the solutions to nonlinear partial differential equations.
For applications to soliton solutions of the Korteweg–de Vries (KdV) equation see McKean and Moll (1999, p. 91), Deconinck and Segur (2000), and Walker (1996, §8.1).
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►Ellipsoidal coordinates may be defined as the three roots of the equation
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6: 21.7 Riemann Surfaces
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►by setting , , and then clearing fractions.
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►Here is such that , .
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►Next, define an isomorphism which maps every subset of with an even number of elements to a -dimensional vector with elements either or .
…Also, , , and .
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►Furthermore, let and .
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7: 7.8 Inequalities
8: 32.6 Hamiltonian Structure
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– can be written as a Hamiltonian system
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►The Hamiltonian for is
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►The Hamiltonian for is
…Then satisfies and satisfies
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►The Hamiltonian for (§32.2(iii)) is
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9: 28.31 Equations of Whittaker–Hill and Ince
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►When , we substitute
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►When is a nonnegative integer, the parameter can be chosen so that solutions of (28.31.3) are trigonometric polynomials, called Ince polynomials.
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►The values of corresponding to , are denoted by , , respectively.
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►with , , respectively.
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►and also for all , given by
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10: 33.1 Special Notation
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►The main functions treated in this chapter are first the Coulomb radial functions , , (Sommerfeld (1928)), which are used in the case of repulsive Coulomb interactions, and secondly the functions , , , (Seaton (1982, 2002a)), which are used in the case of attractive Coulomb interactions.
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Curtis (1964a):
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Greene et al. (1979):
nonnegative integers. | |
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real parameters. | |
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, .
, , .