principal value (or branch)
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41—50 of 158 matching pages
41: 5.12 Beta Function
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►In this section all fractional powers have their principal values, except where noted otherwise.
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►In (5.12.8) the fractional powers have their principal values when and , and are continued via continuity.
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►In (5.12.11) and (5.12.12) the fractional powers are continuous on the integration paths and take their principal values at the beginning.
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42: 15.6 Integral Representations
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►In (15.6.1) all functions in the integrand assume their principal values.
►In (15.6.2) the point lies outside the integration contour, and assume their principal values where the contour cuts the interval , and at .
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►In (15.6.6) the integration contour separates the poles of and from those of , and has its principal value.
►In (15.6.7) the integration contour separates the poles of and from those of and , and has its principal value.
►In each of (15.6.8) and (15.6.9) all functions in the integrand assume their principal values.
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43: 16.2 Definition and Analytic Properties
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►The branch obtained by introducing a cut from to on the real axis, that is, the branch in the sector , is the principal branch (or principal
value) of ; compare §4.2(i).
…Unless indicated otherwise it is assumed that in the DLMF generalized hypergeometric functions assume their principal values.
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44: 3.5 Quadrature
45: 19.6 Special Cases
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►If , then the Cauchy principal value satisfies
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►Circular and hyperbolic cases, including Cauchy principal values, are unified by using .
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►For the Cauchy principal value of when , see §19.7(iii).
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46: 5.17 Barnes’ -Function (Double Gamma Function)
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►In this equation (and in (5.17.5) below), the ’s have their principal values on the positive real axis and are continued via continuity, as in §4.2(i).
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47: 25.10 Zeros
48: 4.16 Elementary Properties
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