SL(2,Z) bilinear transformation
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31: 16.6 Transformations of Variable
§16.6 Transformations of Variable
►Quadratic
… ►Cubic
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16.6.2
►For Kummer-type transformations of functions see Miller (2003) and Paris (2005a), and for further transformations see Erdélyi et al. (1953a, §4.5), Miller and Paris (2011), Choi and Rathie (2013) and Wang and Rathie (2013).
32: 17.18 Methods of Computation
§17.18 Methods of Computation
… ►The two main methods for computing basic hypergeometric functions are: (1) numerical summation of the defining series given in §§17.4(i) and 17.4(ii); (2) modular transformations. …Method (2) is very powerful when applicable (Andrews (1976, Chapter 5)); however, it is applicable only rarely. Lehner (1941) uses Method (2) in connection with the Rogers–Ramanujan identities. …33: 14.31 Other Applications
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§14.31(ii) Conical Functions
►The conical functions appear in boundary-value problems for the Laplace equation in toroidal coordinates (§14.19(i)) for regions bounded by cones, by two intersecting spheres, or by one or two confocal hyperboloids of revolution (Kölbig (1981)). These functions are also used in the Mehler–Fock integral transform (§14.20(vi)) for problems in potential and heat theory, and in elementary particle physics (Sneddon (1972, Chapter 7) and Braaksma and Meulenbeld (1967)). The conical functions and Mehler–Fock transform generalize to Jacobi functions and the Jacobi transform; see Koornwinder (1984a) and references therein. …34: 10.25 Definitions
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10.25.1
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►In particular, the principal branch of is defined in a similar way: it corresponds to the principal value of , is analytic in , and two-valued and discontinuous on the cut .
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►as in
.
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Symbol
►Corresponding to the symbol introduced in §10.2(ii), we sometimes use to denote , , or any nontrivial linear combination of these functions, the coefficients in which are independent of and . …35: 22.21 Tables
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►Curtis (1964b) tabulates , , for , , and (not ) to 20D.
►Lawden (1989, pp. 280–284 and 293–297) tabulates , , , , to 5D for , , where ranges from 1.
5 to 2.
2.
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►Zhang and Jin (1996, p. 678) tabulates , , for and to 7D.
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36: 32.7 Bäcklund Transformations
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►Then the transformations
… also has the special transformation
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►The transformations
, for , generate a group of order 24.
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►The quartic transformation
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37: 3.9 Acceleration of Convergence
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§3.9(i) Sequence Transformations
… ►§3.9(iv) Shanks’ Transformation
►Shanks’ transformation is a generalization of Aitken’s -process. …Then the transformation of the sequence into a sequence is given by … ►In Table 3.9.1 values of the transforms are supplied for …38: 35.1 Special Notation
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►The main functions treated in this chapter are the multivariate gamma and beta functions, respectively and , and the special functions of matrix argument: Bessel (of the first kind) and (of the second kind) ; confluent hypergeometric (of the first kind) or and (of the second kind) ; Gaussian hypergeometric or ; generalized hypergeometric or .
►An alternative notation for the multivariate gamma function is (Herz (1955, p. 480)).
Related notations for the Bessel functions are (Faraut and Korányi (1994, pp. 320–329)), (Terras (1988, pp. 49–64)), and (Faraut and Korányi (1994, pp. 357–358)).
complex variables. | |
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complex symmetric matrix. | |
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zonal polynomials. |
39: 10.66 Expansions in Series of Bessel Functions
40: 22.1 Special Notation
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►The functions treated in this chapter are the three principal Jacobian elliptic functions , , ; the nine subsidiary Jacobian elliptic functions , , , , , , , , ; the amplitude function ; Jacobi’s epsilon and zeta functions and .
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►Other notations for are and with ; see Abramowitz and Stegun (1964) and Walker (1996).
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real variables. | |
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complementary modulus, . If , then . | |
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