rational
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21—30 of 61 matching pages
21: Bibliography W
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Rational approximations for the modified Bessel function of the second kind.
Comput. Phys. Comm. 59 (3), pp. 471–493.
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A rational approximant for the digamma function.
Numer. Algorithms 33 (1-4), pp. 499–507.
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Rational Chebyshev approximation.
Numer. Math. 10 (4), pp. 289–306.
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Rational function certification of multisum/integral/“” identities.
Bull. Amer. Math. Soc. (N.S.) 27 (1), pp. 148–153.
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Rational Chebyshev approximations for the Bessel functions , , ,
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Math. Comp. 39 (160), pp. 617–623.
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22: Bibliography J
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Monodromy preserving deformation of linear ordinary differential equations with rational coefficients. II.
Phys. D 2 (3), pp. 407–448.
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REMES2 — a Fortran program to calculate rational minimax approximations to a given function.
Technical Report
Technical Report AECL-4210, Atomic Energy of Canada Limited. Chalk River Nuclear Laboratories, Chalk River, Ontario.
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23: Bibliography M
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Rational approximations, software and test methods for sine and cosine integrals.
Numer. Algorithms 12 (3-4), pp. 259–272.
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New ladder operators for a rational extension of the harmonic oscillator and superintegrability of some two-dimensional systems.
J. Math. Phys. 54 (10), pp. Paper 102102, 12 pp..
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A determinant formula for a class of rational solutions of Painlevé V equation.
Nagoya Math. J. 168, pp. 1–25.
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Foundations of Finite Precision Rational Arithmetic.
In Fundamentals of Numerical Computation (Computer-oriented
Numerical Analysis), G. Alefeld and R. D. Grigorieff (Eds.),
Comput. Suppl., Vol. 2, Vienna, pp. 85–111.
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Rational solutions of the Painlevé VI equation.
J. Phys. A 34 (11), pp. 2281–2294.
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24: 19.2 Definitions
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►Let be a cubic or quartic polynomial in with simple zeros, and let be a rational function of and containing at least one odd power of .
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19.2.1
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19.2.2
►where is a polynomial in while and are rational functions of .
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19.2.3
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25: 32.9 Other Elementary Solutions
26: Bibliography
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Rational and elliptic solutions of the Korteweg-de Vries equation and a related many-body problem.
Comm. Pure Appl. Math. 30 (1), pp. 95–148.
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Rational solutions of Painlevé equations.
Stud. Appl. Math. 61 (1), pp. 31–53.
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A -beta integral on the unit circle and some biorthogonal rational functions.
Proc. Amer. Math. Soc. 121 (2), pp. 553–561.
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Rational function approximations for Fermi-Dirac integrals.
The Astrophysical Journal Supplement Series 84, pp. 101–108.
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27: Bibliography I
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-Hermite polynomials, biorthogonal rational functions, and -beta integrals.
Trans. Amer. Math. Soc. 346 (1), pp. 63–116.
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28: 9.19 Approximations
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Moshier (1989, §6.14) provides minimax rational approximations for calculating , , , . They are in terms of the variable , where when is positive, when is negative, and when . The approximations apply when , that is, when or . The precision in the coefficients is 21S.
29: 31.14 General Fuchsian Equation
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►An algorithm given in Kovacic (1986) determines if a given (not necessarily Fuchsian) second-order homogeneous linear differential equation with rational coefficients has solutions expressible in finite terms (Liouvillean solutions).
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30: 23.20 Mathematical Applications
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►If , then by rescaling we may assume .
Let denote the set of points on that are of finite order (that is, those points for which there exists a positive integer with ), and let be the sets of points with integer and rational coordinates, respectively.
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