with respect to integration
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11—20 of 63 matching pages
11: 7.7 Integral Representations
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7.7.1
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7.7.2
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7.7.3
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7.7.9
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►In (7.7.13) and (7.7.14) the integration paths are straight lines, , and is a constant such that in (7.7.13), and in (7.7.14).
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12: 2.8 Differential Equations with a Parameter
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►dots denoting differentiations with respect to
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Then
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►The expansions (2.8.11) and (2.8.12) are both uniform and differentiable with respect to
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►The expansions (2.8.15) and (2.8.16) are both uniform and differentiable with respect to
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►The expansions (2.8.25) and (2.8.26) are both uniform and differentiable with respect to
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13: 2.3 Integrals of a Real Variable
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§2.3(i) Integration by Parts
… ►(In other words, differentiation of (2.3.8) with respect to the parameter (or ) is legitimate.) … ►derives from the neighborhood of the minimum of in the integration range. … ►In consequence, the approximation is nonuniform with respect to and deteriorates severely as . ►A uniform approximation can be constructed by quadratic change of integration variable: …14: 4.37 Inverse Hyperbolic Functions
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►Elsewhere on the integration paths in (4.37.1) and (4.37.2) the branches are determined by continuity.
In (4.37.3) the integration path may not intersect .
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►The principal values (or principal branches) of the inverse , , and are obtained by introducing cuts in the -plane as indicated in Figure 4.37.1(i)-(iii), and requiring the integration paths in (4.37.1)–(4.37.3) not to cross these cuts.
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►These functions are analytic in the cut plane depicted in Figure 4.37.1(iv), (v), (vi), respectively.
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►are respectively given by
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15: 2.4 Contour Integrals
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►Then by integration by parts the integral
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►The most successful results are obtained on moving the integration contour as far to the left as possible.
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(c)
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►The problem of obtaining an asymptotic approximation to
that is uniform with respect to
in a region containing is similar to the problem of a coalescing endpoint and saddle point outlined in §2.3(v).
►The change of integration variable is given by
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Excluding , is positive when , and is bounded away from zero uniformly with respect to as along .
16: 19.25 Relations to Other Functions
§19.25 Relations to Other Functions
… ►All terms on the right-hand sides are nonnegative when , , or , respectively. … ► … ►( and are equivalent to the -function of 3 and variables, respectively, but lack full symmetry.)17: Bibliography C
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Toward symbolic integration of elliptic integrals.
J. Symbolic Comput. 28 (6), pp. 739–753.
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Elliptic Integrals: Symmetry and Symbolic Integration.
In Tricomi’s Ideas and Contemporary Applied Mathematics
(Rome/Turin, 1997),
Atti dei Convegni Lincei, Vol. 147, pp. 161–181.
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Numerical integration of related Hankel transforms by quadrature and continued fraction expansion.
Geophysics 48 (12), pp. 1671–1686.
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A method for numerical integration on an automatic copmputer.
Numer. Math. 2 (4), pp. 197–205.
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Derivatives with respect to the degree and order of associated Legendre functions for using modified Bessel functions.
Integral Transforms Spec. Funct. 21 (7-8), pp. 581–588.
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18: 4.23 Inverse Trigonometric Functions
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►In (4.23.1) and (4.23.2) the integration paths may not pass through either of the points .
The function assumes its principal value when ; elsewhere on the integration paths the branch is determined by continuity.
In (4.23.3) the integration path may not intersect .
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►The principal values (or principal branches) of the inverse sine, cosine, and tangent are obtained by introducing cuts in the -plane as indicated in Figures 4.23.1(i) and 4.23.1(ii), and requiring the integration paths in (4.23.1)–(4.23.3) not to cross these cuts.
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►are respectively
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19: 28.28 Integrals, Integral Representations, and Integral Equations
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28.28.8
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20: 3.5 Quadrature
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