integral identities
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21: 35.7 Gaussian Hypergeometric Function of Matrix Argument
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35.7.5
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22: 22.8 Addition Theorems
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22.8.22
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βΊFor these and related identities see Copson (1935, pp. 415–416).
βΊIf sums/differences of the ’s are rational multiples of , then further relations follow.
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22.8.24
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22.8.26
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23: 9.18 Tables
24: 7.12 Asymptotic Expansions
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§7.12(ii) Fresnel Integrals
βΊThe asymptotic expansions of and are given by (7.5.3), (7.5.4), and … βΊThey are bounded by times the first neglected terms when . … βΊ§7.12(iii) Goodwin–Staton Integral
βΊSee Olver (1997b, p. 115) for an expansion of with bounds for the remainder for real and complex values of .25: 23.6 Relations to Other Functions
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βΊIn (23.6.27)–(23.6.29) the modulus is given and , are the corresponding complete elliptic integrals (§19.2(ii)).
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§23.6(iv) Elliptic Integrals
… βΊFor (23.6.30)–(23.6.35) and further identities see Lawden (1989, §6.12). … βΊFor relations to symmetric elliptic integrals see §19.25(vi). … βΊ26: Bibliography K
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On an integral of Hardy and Littlewood.
Kyushu J. Math. 52 (1), pp. 249–263.
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Auxiliary table for the incomplete elliptic integrals.
J. Math. Physics 27, pp. 11–36.
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Cyclic identities for Jacobi elliptic and related functions.
J. Math. Phys. 44 (4), pp. 1822–1841.
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Cyclic identities involving Jacobi elliptic functions.
J. Math. Phys. 43 (7), pp. 3798–3806.
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Dilogarithm identities.
Progr. Theoret. Phys. Suppl. (118), pp. 61–142.
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27: 1.13 Differential Equations
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βΊThen the following relation is known as Abel’s identity
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1.13.13
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1.13.16
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Cayley’s Identity
… βΊFor a regular Sturm-Liouville system, equations (1.13.26) and (1.13.29) have: (i) identical eigenvalues, ; (ii) the corresponding (real) eigenfunctions, and , have the same number of zeros, also called nodes, for as for ; (iii) the eigenfunctions also satisfy the same type of boundary conditions, un-mixed or periodic, for both forms at the corresponding boundary points. …28: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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βΊIn this section we will only consider the special case , so ; in which case .
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βΊwhere the integral kernel is given by
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βΊOther choices of boundary conditions, identical for and , and which also lead to the vanishing of the boundary terms in (1.18.26), each lead to a distinct self adjoint extension of .
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βΊ It is to be noted that if any of the have degenerate sub-spaces, that is subspaces of orthogonal eigenfunctions with identical eigenvalues, that in the expansions below all such distinct eigenfunctions are to be included.
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βΊWhat then is the condition on to insure the existence of at least a single eigenvalue in the point spectrum? The discussions of §1.18(vi) imply that if then there is only a continuous spectrum.
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29: 2.10 Sums and Sequences
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βΊThis identity can be used to find asymptotic approximations for large when the factor changes slowly with , and is oscillatory; compare the approximation of Fourier integrals by integration by parts in §2.3(i).
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30: Bibliography S
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Gaussian-transform method for molecular integrals. I. Formulation for energy integrals.
J. Chem. Phys. 43 (2), pp. 398–414.
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Algorithm AS 239. Chi-squared and incomplete gamma integral.
Appl. Statist. 37 (3), pp. 466–473.
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On an identity of Ramanujan based on the hypergeometric series
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J. Number Theory 69 (2), pp. 125–134.
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Some identities involving the Riemann zeta function. II.
Indian J. Pure Appl. Math. 17 (10), pp. 1175–1186.
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Non-linear integral equations for Heun functions.
Proc. Edinburgh Math. Soc. (2) 16, pp. 281–289.
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