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31—40 of 120 matching pages
31: Errata
32: 12.11 Zeros
33: 4.16 Elementary Properties
34: 29.15 Fourier Series and Chebyshev Series
35: 8.27 Approximations
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DiDonato (1978) gives a simple approximation for the function (which is related to the incomplete gamma function by a change of variables) for real and large positive . This takes the form , approximately, where and is shown to produce an absolute error as .
36: Philip J. Davis
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►The surface color map can be changed from height-based to phase-based for complex valued functions, and density plots can be generated through strategic scaling.
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37: About the Project
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►The former title of Associate Editor has been changed to Senior Associate Editor.
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38: DLMF Project News
error generating summary39: 2.4 Contour Integrals
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►The change of integration variable is given by
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2.4.18
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2.4.19
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►By making a further change of variable
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2.4.21
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40: 2.3 Integrals of a Real Variable
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►However, cancellation does not take place near the endpoints, owing to lack of symmetry, nor in the neighborhoods of zeros of because
changes relatively slowly at these stationary points.
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►A uniform approximation can be constructed by quadratic change of integration variable:
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2.3.25
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2.3.27
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2.3.31
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