general elliptic functions
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11: 22.16 Related Functions
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22.16.1
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12: 22.8 Addition Theorems
§22.8 Addition Theorems
… ►§22.8(iii) Special Relations Between Arguments
… ►If sums/differences of the ’s are rational multiples of , then further relations follow. …Generalizations are given in §22.9.13: 12.15 Generalized Parabolic Cylinder Functions
§12.15 Generalized Parabolic Cylinder Functions
… ►can be viewed as a generalization of (12.2.4). This equation arises in the study of non-self-adjoint elliptic boundary-value problems involving an indefinite weight function. …14: 19.1 Special Notation
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►All derivatives are denoted by differentials, not by primes.
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►We use also the function
, introduced by Jahnke et al. (1966, p. 43).
The functions (19.1.1) and (19.1.2) are used in Erdélyi et al. (1953b, Chapter 13), except that and are denoted by and , respectively, where .
►In Abramowitz and Stegun (1964, Chapter 17) the functions (19.1.1) and (19.1.2) are denoted, in order, by , , , , , and , where and is the (not related to ) in (19.1.1) and (19.1.2).
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is a multivariate hypergeometric function that includes all the functions in (19.1.3).
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15: 36.1 Special Notation
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►The main functions covered in this chapter are cuspoid catastrophes ; umbilic catastrophes with codimension three , ; canonical integrals , , ; diffraction catastrophes , ,
generated by the catastrophes.
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16: 22.9 Cyclic Identities
17: 22.4 Periods, Poles, and Zeros
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►The set of points , , comprise the lattice for the 12 Jacobian functions; all other lattice unit cells are generated by translation of the fundamental unit cell by , where again .
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