sphero-conal coordinates
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21—30 of 41 matching pages
21: 10.73 Physical Applications
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►In cylindrical coordinates
, , , (§1.5(ii) we have
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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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22: 28.33 Physical Applications
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►Physical problems involving Mathieu functions include vibrational problems in elliptical coordinates; see (28.32.1).
…In elliptical coordinates (28.32.2) becomes (28.32.3).
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23: 26.2 Basic Definitions
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►A k-dimensional lattice path is a directed path composed of segments that connect vertices in so that each segment increases one coordinate by exactly one unit.
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24: 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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25: 36.6 Scaling Relations
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Indices for -Scaling of Coordinates
…26: 21.7 Riemann Surfaces
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►To accomplish this we write (21.7.1) in terms of homogeneous coordinates:
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►If a local coordinate
is chosen on the Riemann surface, then the local coordinate representation of these holomorphic differentials is given by
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27: Guide to Searching the DLMF
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28: 18.39 Applications in the Physical Sciences
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►where is a spatial coordinate, the mass of the particle with potential energy , is the reduced Planck’s constant, and a finite or infinite interval.
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►Now use spherical coordinates (1.5.16) with instead of , and assume the potential to be radial.
…By (1.5.17) the first term in (18.39.21), which is the quantum kinetic energy operator , can be written in spherical coordinates
as
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29: 31.8 Solutions via Quadratures
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►The variables and are two coordinates of the associated hyperelliptic (spectral) curve .
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30: 36.13 Kelvin’s Ship-Wave Pattern
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►In a reference frame where the ship is at rest we use polar coordinates
and with in the direction of the velocity of the water relative to the ship.
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