symmetric case
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31: 35.7 Gaussian Hypergeometric Function of Matrix Argument
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Case
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35.7.5
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►Let (a) be orthogonally invariant, so that is a symmetric function of , the eigenvalues of the matrix argument ; (b) be analytic in in a neighborhood of ; (c) satisfy .
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35.7.10
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35.7.11
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32: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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Self-Adjoint and Symmetric Operators
… ►§1.18(vii) Continuous Spectra: More General Cases
… ►A linear operator with dense domain is called symmetric if … ►Self-adjoint extensions of a symmetric Operator
… ►By Weyl’s alternative equals either 1 (the limit point case) or 2 (the limit circle case), and similarly for . …33: 3.1 Arithmetics and Error Measures
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►In the case of the normalized binary interchange formats, the representation of data for binary32 (previously single precision) (, , , ), binary64 (previously double precision) (, , , ) and binary128 (previously quad precision) (, , , ) are as in Figure 3.1.1.
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Rounding
… ►Symmetric rounding or rounding to nearest of gives or , whichever is nearer to , with maximum relative error equal to the machine precision . … ►Also in this arithmetic generalized precision can be defined, which includes absolute error and relative precision (§3.1(v)) as special cases. …34: 21.7 Riemann Surfaces
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►In contrast, a -dimensional Riemann theta function arising from a compact Riemann surface of genus () depends on at most complex parameters (one complex parameter for the case
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►Fay derives (21.7.10) as a special case of a more general class of addition theorems for Riemann theta functions on Riemann surfaces.
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21.7.12
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21.7.14
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21.7.15
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35: 21.5 Modular Transformations
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symmetric with integer elements and even diagonal elements.)
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symmetric with integer elements.)
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►For explicit results in the case
, see §20.7(viii).
36: 2.6 Distributional Methods
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2.6.6
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►Similarly, in the case
, we define
…In either case, we define the distribution associated with by
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2.6.32
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►An application has been given by López (2000) to derive asymptotic expansions of standard symmetric elliptic integrals, complete with error bounds; see §19.27(vi).
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37: 3.5 Quadrature
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►When , the Romberg method affords a means of obtaining high accuracy in many cases with a relatively simple adaptive algorithm.
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►The Gauss nodes (the zeros of ) are the eigenvalues of the (symmetric tridiagonal) Jacobi matrix of order :
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►For these cases the integration path may need to be deformed; see §3.5(ix).
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►The integrand can be extended as a periodic function on with period and as noted in §3.5(i), the trapezoidal rule is exceptionally efficient in this case.
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►A special case is the rule for Hilbert transforms (§1.14(v)):
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38: 19.3 Graphics
39: 1.2 Elementary Algebra
40: 18.28 Askey–Wilson Class
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►The Askey–Wilson class OP’s comprise the four-parameter families of Askey–Wilson polynomials and of -Racah polynomials, and cases of these families obtained by specialization of parameters.
…) such that in the Askey–Wilson case, and in the -Racah case, and both are eigenfunctions of a second order -difference operator similar to (18.27.1).
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►The polynomials are symmetric in the parameters .
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►For further nondegenerate cases see Chihara and Ismail (1993) and Christiansen and Ismail (2006).
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►These systems are the -Racah polynomials and its limit cases.
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