algebraic equations via Jacobian elliptic functions
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11: 19.16 Definitions
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§19.16(i) Symmetric Integrals
… ►§19.16(ii)
►All elliptic integrals of the form (19.2.3) and many multiple integrals, including (19.23.6) and (19.23.6_5), are special cases of a multivariate hypergeometric function …The -function is often used to make a unified statement of a property of several elliptic integrals. … ►§19.16(iii) Various Cases of
…12: 5.2 Definitions
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§5.2(i) Gamma and Psi Functions
►Euler’s Integral
… ►It is a meromorphic function with no zeros, and with simple poles of residue at . … ►
5.2.6
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►Pochhammer symbols (rising factorials) and falling factorials can be expressed in terms of each other via
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13: 31.1 Special Notation
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►(For other notation see Notation for the Special Functions.)
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►The main functions treated in this chapter are , , , and the polynomial .
…Sometimes the parameters are suppressed.
, | real variables. |
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14: 11.9 Lommel Functions
§11.9 Lommel Functions
… ►The inhomogeneous Bessel differential equation … ►For uniform asymptotic expansions, for large and fixed , of solutions of the inhomogeneous modified Bessel differential equation that corresponds to (11.9.1) see Olver (1997b, pp. 388–390). … … ►15: 15.2 Definitions and Analytical Properties
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§15.2(i) Gauss Series
►The hypergeometric function is defined by the Gauss series … … ►§15.2(ii) Analytic Properties
… ►(Both interpretations give solutions of the hypergeometric differential equation (15.10.1), as does , which is analytic at .) …16: 9.12 Scorer Functions
§9.12 Scorer Functions
►§9.12(i) Differential Equation
… ►Standard particular solutions are … ►§9.12(iii) Initial Values
… ►§9.12(iv) Numerically Satisfactory Solutions
…17: 14.20 Conical (or Mehler) Functions
§14.20 Conical (or Mehler) Functions
►§14.20(i) Definitions and Wronskians
… ► … ►§14.20(ii) Graphics
… ►Approximations for and can then be achieved via (14.9.7) and (14.20.3). …18: 5.15 Polygamma Functions
§5.15 Polygamma Functions
►The functions , , are called the polygamma functions. In particular, is the trigamma function; , , are the tetra-, penta-, and hexagamma functions respectively. Most properties of these functions follow straightforwardly by differentiation of properties of the psi function. … ►For see §24.2(i). …19: 16.13 Appell Functions
§16.13 Appell Functions
►The following four functions of two real or complex variables and cannot be expressed as a product of two functions, in general, but they satisfy partial differential equations that resemble the hypergeometric differential equation (15.10.1): ►
16.13.1
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16.13.4
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