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21—30 of 602 matching pages
21: 19.9 Inequalities
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19.9.3
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►Further inequalities for and can be found in Alzer and Qiu (2004), Anderson et al. (1992a, b, 1997), and Qiu and Vamanamurthy (1996).
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►Sharper inequalities for are:
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►Inequalities for both and involving inverse circular or inverse hyperbolic functions are given in Carlson (1961b, §4).
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►Other inequalities for can be obtained from inequalities for given in Carlson (1966, (2.15)) and Carlson (1970) via (19.25.5).
22: 8.4 Special Values
23: Software Index
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8.28(vii) , | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |||||||||||||||||||
9 Airy and Related Functions | |||||||||||||||||||||||||
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19.39(iii) , , | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | a | ✓ | ||||||||||||
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24.21(ii) , , , | ✓ | ✓ | ✓ | ✓ | a | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | Derive, MuPAD | ||||||||||||
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34 3j, 6j, 9j Symbols | |||||||||||||||||||||||||
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24: 16.7 Relations to Other Functions
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►For , , symbols see Chapter 34.
Further representations of special functions in terms of functions are given in Luke (1969a, §§6.2–6.3), and an extensive list of functions with rational numbers as parameters is given in Krupnikov and Kölbig (1997).
25: 34.8 Approximations for Large Parameters
§34.8 Approximations for Large Parameters
►For large values of the parameters in the , , and symbols, different asymptotic forms are obtained depending on which parameters are large. … ►For approximations for the , , and symbols with error bounds see Flude (1998), Chen et al. (1999), and Watson (1999): these references also cite earlier work.26: 24.21 Software
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§24.21(ii) , , , and
…27: 19.5 Maclaurin and Related Expansions
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►where is the Gauss hypergeometric function (§§15.1 and 15.2(i)).
…where is an Appell function (§16.13).
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►Coefficients of terms up to are given in Lee (1990), along with tables of fractional errors in and , , obtained by using 12 different truncations of (19.5.6) in (19.5.8) and (19.5.9).
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►Series expansions of and are surveyed and improved in Van de Vel (1969), and the case of is summarized in Gautschi (1975, §1.3.2).
For series expansions of when see Erdélyi et al. (1953b, §13.6(9)).
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28: 3.5 Quadrature
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►If , then the remainder in (3.5.2) can be expanded in the form
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►About function evaluations are needed.
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►with weight function
, is one for which whenever is a polynomial of degree .
The nodes
are prescribed, and the weights
and error term
are found by integrating the product of the Lagrange interpolation polynomial of degree and .
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►where if is a polynomial of degree in .
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29: 28.6 Expansions for Small
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►Leading terms of the of the power series for are:
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►Numerical values of the radii of convergence of the power series (28.6.1)–(28.6.14) for are given in Table 28.6.1.
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►where is the unique root of the equation in the interval , and .
For and see §19.2(ii).
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28.6.22
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30: 3.6 Linear Difference Equations
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►The Weber function satisfies
…Thus the asymptotic behavior of the particular solution is intermediate to those of the complementary functions and ; moreover, the conditions for Olver’s algorithm are satisfied.
We apply the algorithm to compute to 8S for the range , beginning with the value obtained from the Maclaurin series expansion (§11.10(iii)).
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►The values of for are the wanted values of .
(It should be observed that for , however, the are progressively poorer approximations to : the underlined digits are in error.)
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