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21—30 of 70 matching pages
21: 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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22: 25.21 Software
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►References to research software that is available in other ways is listed separately.
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23: 30.18 Software
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►References to research software that is available in other ways is listed separately.
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24: 12.17 Physical Applications
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►Setting and separating variables, we obtain
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►Miller (1974) treats separation of variables by group theoretic methods.
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25: 33.22 Particle Scattering and Atomic and Molecular Spectra
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►With denoting here the elementary charge, the Coulomb potential between two point particles with charges and masses
separated by a distance is , where are atomic numbers, is the electric constant, is the fine structure constant, and is the reduced Planck’s constant.
The reduced mass is , and at energy of relative motion with relative orbital angular momentum , the Schrödinger equation for the radial wave function is given by
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33.22.1
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26: 10.73 Physical Applications
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►and on separation of variables we obtain solutions of the form , from which a solution satisfying prescribed boundary conditions may be constructed.
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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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27: 28.33 Physical Applications
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►The separated solutions must be -periodic in , and have the form
…where and or is the separation constant; compare (28.12.11), (28.20.11), and (28.20.12).
…The general solution of the problem is a superposition of the separated solutions.
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28: 29.18 Mathematical Applications
29: Guide to Searching the DLMF
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Table 1: Query Examples
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Query | Matching records contain |
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(int adj sin(x)) near/5 = |
the sub-expression and = , in whatever order and separated by no more than 5 terms.
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$ |
stands for any number of alphanumeric characters |
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(If ? occurs as a separate token, it effectively acts like $ ) |
30: 7.25 Software
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►References to research software that is available in other ways is listed separately.
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