symbolic operations
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31—38 of 38 matching pages
31: 18.39 Applications in the Physical Sciences
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►The fundamental quantum Schrödinger operator, also called the Hamiltonian, , is a second order differential operator of the form
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►Analogous to (18.39.7) the 3D Schrödinger operator is
…where is the (squared) angular momentum operator (14.30.12).
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►Here tridiagonal representations of simple Schrödinger operators play a similar role.
The radial operator (18.39.28)
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32: Preface
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► Stegun, editors); and to disseminate essentially the same information from a public website operated by NIST.
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►The Web pages contain many active links, for example, to the definitions of symbols within the DLMF, and to external sources of reviews, full texts of articles, and items of mathematical software.
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33: Bibliography L
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Exact computation of the - and -
symbols.
Comput. Phys. Comm. 61 (3), pp. 350–360.
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Exact computation of the -
symbols.
Comput. Phys. Comm. 70 (3), pp. 544–556.
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Exact operator solution of the Calogero-Sutherland model.
Comm. Math. Phys. 178 (2), pp. 425–452.
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Introduction to spectral theory: selfadjoint ordinary differential operators.
Translations of Mathematical Monographs, Vol. 39, American Mathematical Society, Providence, R.I..
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Simplified recursive algorithm for Wigner and
symbols.
Phys. Rev. E 57 (6), pp. 7274–7277.
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34: 3.11 Approximation Techniques
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►Here the single prime on the summation symbol means that the first term is to be halved.
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being Kronecker’s symbol and the bar denoting complex conjugate.
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►In consequence of this structure the number of operations can be reduced to
operations.
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35: 18.3 Definitions
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1.
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36: 18.27 -Hahn Class
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►The -Hahn class OP’s comprise systems of OP’s , , or , that are eigenfunctions of a second order -difference operator.
…In the -Hahn class OP’s the role of the operator
in the Jacobi, Laguerre, and Hermite cases is played by the -derivative , as defined in (17.2.41).
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18.27.9
, , ,
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18.27.12
, .
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18.27.14_1
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37: 1.5 Calculus of Two or More Variables
38: Bibliography S
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An Introduction to the Operations with Series.
2nd edition, Chelsea Publishing Co., New York.
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Evaluation of associated Legendre functions off the cut and parabolic cylinder functions.
Electron. Trans. Numer. Anal. 9, pp. 137–146.
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Arbitrary
symbols for
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Comput. Phys. Comm. 1 (3), pp. 207–215.
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The Bound State of Weakly Coupled Schrödinger Operators in One and Two Dimensions.
Annals of Physics 97 (2), pp. 279–288.
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Operators with Singular Continuous Spectrum: I. General Operators.
Annals of Mathematics 141 (1), pp. 131–145.
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