Catalan constant
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21: 8.1 Special Notation
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►The functions treated in this chapter are the incomplete gamma functions , , , , and ; the incomplete beta functions and ; the generalized exponential integral ; the generalized sine and cosine integrals , , , and .
►Alternative notations include: Prym’s functions
, , Nielsen (1906a, pp. 25–26), Batchelder (1967, p. 63); , , Dingle (1973); , , Magnus et al. (1966); , , Luke (1975).
real variable. | |
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arbitrary small positive constant. | |
gamma function (§5.2(i)). | |
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22: 8.7 Series Expansions
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8.7.1
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8.7.2
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8.7.3
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8.7.4
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►For an expansion for in series of Bessel functions that converges rapidly when and () is small or moderate in magnitude see Barakat (1961).
23: 30.8 Expansions in Series of Ferrers Functions
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►Then the set of coefficients , is the solution of the difference equation
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►The coefficients satisfy (30.8.4) for all when we set for .
…For they are determined from (30.8.4) by forward recursion using .
The set of coefficients , , is the recessive solution of (30.8.4) as that is normalized by
…It should be noted that if the forward recursion (30.8.4) beginning with , leads to , then is undefined for and does not exist.
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24: 5.3 Graphics
25: 16.13 Appell Functions
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16.13.1
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16.13.2
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16.13.3
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16.13.4
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►Here and elsewhere it is assumed that neither of the bottom parameters and is a nonpositive integer.
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26: 5.1 Special Notation
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►The main functions treated in this chapter are the gamma function , the psi function (or digamma function) , the beta function , and the -gamma function .
►The notation is due to Legendre.
Alternative notations for this function are: (Gauss) and .
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nonnegative integers. | |
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arbitrary small positive constant. | |
Euler’s constant (§5.2(ii)). | |
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27: 5.6 Inequalities
28: 8.3 Graphics
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►Some monotonicity properties of and in the four quadrants of the ()-plane in Figure 8.3.6 are given in Erdélyi et al. (1953b, §9.6).
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29: 16.1 Special Notation
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►The main functions treated in this chapter are the generalized hypergeometric function , the Appell (two-variable hypergeometric) functions , , , , and the Meijer -function .
Alternative notations are , , and for the generalized hypergeometric function, , , , , for the Appell functions, and for the Meijer -function.
nonnegative integers. | |
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arbitrary small positive constant. | |
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30: 18.25 Wilson Class: Definitions
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►Table 18.25.1 lists the transformations of variable, orthogonality ranges, and parameter constraints that are needed in §18.2(i) for the Wilson polynomials , continuous dual Hahn polynomials , Racah polynomials , and dual Hahn polynomials .
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►The first four sets imply , and the last four imply .
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