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31: Bibliography C
  • A. Ciarkowski (1989) Uniform asymptotic expansion of an integral with a saddle point, a pole and a branch point. Proc. Roy. Soc. London Ser. A 426, pp. 273–286.
  • P. A. Clarkson (2005) Special polynomials associated with rational solutions of the fifth Painlevé equation. J. Comput. Appl. Math. 178 (1-2), pp. 111–129.
  • W. J. Cody and H. C. Thacher (1968) Rational Chebyshev approximations for the exponential integral E 1 ( x ) . Math. Comp. 22 (103), pp. 641–649.
  • W. J. Cody (1969) Rational Chebyshev approximations for the error function. Math. Comp. 23 (107), pp. 631–637.
  • W. J. Cody (1970) A survey of practical rational and polynomial approximation of functions. SIAM Rev. 12 (3), pp. 400–423.
  • 32: 18.16 Zeros
    Asymptotic Behavior
    The constant j α , m 2 in (18.16.10) is the best possible since the ratio of the two sides of this inequality tends to 1 as n . … For an error bound for the first approximation yielded by this expansion see Olver (1997b, p. 408). Lastly, in view of (18.7.19) and (18.7.20), results for the zeros of L n ( ± 1 2 ) ( x ) lead immediately to results for the zeros of H n ( x ) . …
    33: 9.19 Approximations
    §9.19 Approximations
    §9.19(i) Approximations in Terms of Elementary Functions
  • Moshier (1989, §6.14) provides minimax rational approximations for calculating Ai ( x ) , Ai ( x ) , Bi ( x ) , Bi ( x ) . They are in terms of the variable ζ , where ζ = 2 3 x 3 / 2 when x is positive, ζ = 2 3 ( x ) 3 / 2 when x is negative, and ζ = 0 when x = 0 . The approximations apply when 2 ζ < , that is, when 3 2 / 3 x < or < x 3 2 / 3 . The precision in the coefficients is 21S.

  • §9.19(ii) Expansions in Chebyshev Series
    §9.19(iii) Approximations in the Complex Plane
    34: Bibliography K
  • K. Kajiwara and Y. Ohta (1996) Determinant structure of the rational solutions for the Painlevé II equation. J. Math. Phys. 37 (9), pp. 4693–4704.
  • K. Kajiwara and Y. Ohta (1998) Determinant structure of the rational solutions for the Painlevé IV equation. J. Phys. A 31 (10), pp. 2431–2446.
  • S. F. Khwaja and A. B. Olde Daalhuis (2012) Uniform asymptotic approximations for the Meixner-Sobolev polynomials. Anal. Appl. (Singap.) 10 (3), pp. 345–361.
  • S. F. Khwaja and A. B. Olde Daalhuis (2013) Exponentially accurate uniform asymptotic approximations for integrals and Bleistein’s method revisited. Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci. 469 (2153), pp. 20130008, 12.
  • A. V. Kitaev, C. K. Law, and J. B. McLeod (1994) Rational solutions of the fifth Painlevé equation. Differential Integral Equations 7 (3-4), pp. 967–1000.
  • 35: 36.15 Methods of Computation
    Close to the bifurcation set but far from 𝐱 = 𝟎 , the uniform asymptotic approximations of §36.12 can be used. … This can be carried out by direct numerical evaluation of canonical integrals along a finite segment of the real axis including all real critical points of Φ , with contributions from the contour outside this range approximated by the first terms of an asymptotic series associated with the endpoints. …
    36: Annie A. M. Cuyt
    Her main research interest is in the area of numerical approximation theory and its applications to a diversity of problems in scientific computing. …A lot of her research has been devoted to rational approximations, in one as well as in many variables, and sparse interpolation. …
    37: 2.11 Remainder Terms; Stokes Phenomenon
    §2.11(iii) Exponentially-Improved Expansions
    One is uniformly valid for π + δ ph z 3 π δ with bounded | α | , and achieves uniform exponential improvement throughout 0 ph z π : … In addition to achieving uniform exponential improvement, particularly in | ph z | π for w 1 ( z ) , and 0 ph z 2 π for w 2 ( z ) , the re-expansions (2.11.20), (2.11.21) are resurgent. …
    §2.11(vi) Direct Numerical Transformations
    38: 13.22 Zeros
    Asymptotic approximations to the zeros when the parameters κ and/or μ are large can be found by reversion of the uniform approximations provided in §§13.20 and 13.21. …
    39: Bibliography M
  • A. J. MacLeod (1996b) Rational approximations, software and test methods for sine and cosine integrals. Numer. Algorithms 12 (3-4), pp. 259–272.
  • I. Marquette and C. Quesne (2013) 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..
  • T. Masuda, Y. Ohta, and K. Kajiwara (2002) A determinant formula for a class of rational solutions of Painlevé V equation. Nagoya Math. J. 168, pp. 1–25.
  • F. Matta and A. Reichel (1971) Uniform computation of the error function and other related functions. Math. Comp. 25 (114), pp. 339–344.
  • M. Mazzocco (2001a) Rational solutions of the Painlevé VI equation. J. Phys. A 34 (11), pp. 2281–2294.
  • 40: Bibliography D
  • T. M. Dunster (1986) Uniform asymptotic expansions for prolate spheroidal functions with large parameters. SIAM J. Math. Anal. 17 (6), pp. 1495–1524.
  • T. M. Dunster (1994a) Uniform asymptotic approximation of Mathieu functions. Methods Appl. Anal. 1 (2), pp. 143–168.
  • T. M. Dunster (2001b) Uniform asymptotic expansions for Charlier polynomials. J. Approx. Theory 112 (1), pp. 93–133.
  • T. M. Dunster (2003a) Uniform asymptotic approximations for the Whittaker functions M κ , i μ ( z ) and W κ , i μ ( z ) . Anal. Appl. (Singap.) 1 (2), pp. 199–212.
  • T. M. Dunster (2006) Uniform asymptotic approximations for incomplete Riemann zeta functions. J. Comput. Appl. Math. 190 (1-2), pp. 339–353.