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11: 11.12 Physical Applications
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►Applications of Struve functions occur in water-wave and surface-wave problems (Hirata (1975) and Ahmadi and Widnall (1985)), unsteady aerodynamics (Shaw (1985) and Wehausen and Laitone (1960)), distribution of fluid pressure over a vibrating disk (McLachlan (1934)), resistive MHD instability theory (Paris and Sy (1983)), and optical diffraction (Levine and Schwinger (1948)).
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12: 15.18 Physical Applications
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►The hypergeometric function has allowed the development of “solvable” models for one-dimensional quantum scattering through and over barriers (Eckart (1930), Bhattacharjie and Sudarshan (1962)), and generalized to include position-dependent effective masses (Dekar et al. (1999)).
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13: 19.38 Approximations
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►They are valid over parts of the complex and planes.
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14: Bonita V. Saunders
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►As the principal developer of graphics for the DLMF, she has collaborated with other NIST mathematicians, computer scientists, and student interns to produce informative graphs and dynamic interactive visualizations of elementary and higher mathematical functions over both simply and multiply connected domains.
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15: Philip J. Davis
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►In 1957, Davis took over as Chief, Numerical Analysis Section when John Todd and his wife Olga Taussky-Todd, feeling a strong pull toward teaching and research, left to pursue full-time positions at the California Institute of Technology.
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►NBS mathematician Irene Stegun took over management of the A&S project which was already well on its way, and led the work to publication in 1964.
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►Davis’s comments about our uninspired graphs sparked the research and design of techniques for creating interactive 3D visualizations of function surfaces, which grew in sophistication as our knowledge and the technology for developing 3D graphics on the web advanced over the years.
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16: 1.3 Determinants, Linear Operators, and Spectral Expansions
17: 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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►For and , the electron mass, the scaling factors in (33.22.5) reduce to the Bohr radius, , and to a multiple of the Rydberg constant,
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18: 35.2 Laplace Transform
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►where the integration variable ranges over the space .
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►where the integral is taken over all such that and ranges over
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19: 27.18 Methods of Computation: Primes
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►The ECPP (Elliptic Curve Primality Proving) algorithm handles primes with over 20,000 digits.
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20: 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.
►Here the term represents the quantum kinetic energy of a single particle of mass , and its potential energy.
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►and , has eigenfunctions
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►The eigenfunctions of are the spherical harmonics with eigenvalues , each with degeneracy as .
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►, , Mohr and Taylor (2005, Table XXX, p. 71), where the relationship of to SI units is spelled out.
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