sphero-conal%20coordinates
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11: 30.13 Wave Equation in Prolate Spheroidal Coordinates
§30.13 Wave Equation in Prolate Spheroidal Coordinates
►§30.13(i) Prolate Spheroidal Coordinates
… ►§30.13(ii) Metric Coefficients
… ►§30.13(iii) Laplacian
… ►12: 10.73 Physical Applications
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►In cylindrical coordinates
, , , (§1.5(ii) we have
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►See Krivoshlykov (1994, Chapter 2, §2.2.10; Chapter 5, §5.2.2), Kapany and Burke (1972, Chapters 4–6; Chapter 7, §A.1), and Slater (1942, Chapter 4, §§20, 25).
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►On separation of variables into cylindrical coordinates, the Bessel functions , and modified Bessel functions and , all appear.
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►The functions , , , and arise in the solution (again by separation of variables) of the Helmholtz equation in spherical coordinates
(§1.5(ii)):
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13: 28.32 Mathematical Applications
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§28.32(i) Elliptical Coordinates and an Integral Relationship
►If the boundary conditions in a physical problem relate to the perimeter of an ellipse, then elliptical coordinates are convenient. … ► ►§28.32(ii) Paraboloidal Coordinates
►The general paraboloidal coordinate system is linked with Cartesian coordinates via …14: 14.30 Spherical and Spheroidal Harmonics
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►As an example, Laplace’s equation in spherical coordinates (§1.5(ii)):
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►Here, in spherical coordinates, is the squared angular momentum operator:
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15: 8 Incomplete Gamma and Related
Functions
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16: 28 Mathieu Functions and Hill’s Equation
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17: 8.26 Tables
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Khamis (1965) tabulates for , to 10D.
Abramowitz and Stegun (1964, pp. 245–248) tabulates for , to 7D; also for , to 6S.
Pagurova (1961) tabulates for , to 4-9S; for , to 7D; for , to 7S or 7D.
Zhang and Jin (1996, Table 19.1) tabulates for , to 7D or 8S.
18: 23 Weierstrass Elliptic and Modular
Functions
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