number-theoretic%20significance
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11—20 of 120 matching pages
11: 27.7 Lambert Series as Generating Functions
§27.7 Lambert Series as Generating Functions
…12: 27.9 Quadratic Characters
§27.9 Quadratic Characters
…13: 24.19 Methods of Computation
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►For number-theoretic applications it is important to compute for ; in particular to find the irregular pairs
for which .
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14: 27.11 Asymptotic Formulas: Partial Sums
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►The behavior of a number-theoretic function for large is often difficult to determine because the function values can fluctuate considerably as increases.
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27.11.2
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15: Bibliography M
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Rational approximations, software and test methods for sine and cosine integrals.
Numer. Algorithms 12 (3-4), pp. 259–272.
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Computational Algebra Group, School of Mathematics and Statistics, University of Sydney, Australia.
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Zeros of Bessel functions and accurate to twenty-nine significant digits.
Technology Reports of the Osaka University 16 (685), pp. 1–44.
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Calculation of the modified Bessel functions of the second kind with complex argument.
Math. Comp. 20 (95), pp. 407–412.
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The -analogue of the Laguerre polynomials.
J. Math. Anal. Appl. 81 (1), pp. 20–47.
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16: 20 Theta Functions
Chapter 20 Theta Functions
…17: 19.36 Methods of Computation
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►If (19.25.9) is used when , cancellations may lead to loss of significant figures when is close to 1 and , as shown by Reinsch and Raab (2000).
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can be evaluated by using (19.25.7), and by using (19.21.10), but cancellations may become significant.
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►Near these points there will be loss of significant figures in the computation of or .
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►This method loses significant figures in if and are nearly equal unless they are given exact values—as they can be for tables.
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►For computation of Legendre’s integral of the third kind, see Abramowitz and Stegun (1964, §§17.7 and 17.8, Examples 15, 17, 19, and 20).
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18: 3.1 Arithmetics and Error Measures
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►A nonzero normalized binary floating-point machine number
is represented as
…where is equal to or , each , , is either or , is the most significant bit, () is the number of significant bits , is the least significant bit, is an integer called the exponent, is the significand, and is the fractional
part.
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3.1.2
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►For given values of , , and , the format width in bits
of a computer word is the total number of bits: the sign (one bit), the significant bits ( bits), and the bits allocated to the exponent (the remaining bits).
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3.1.4
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19: 19.38 Approximations
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►The accuracy is controlled by the number of terms retained in the approximation; for real variables the number of significant figures appears to be roughly twice the number of terms retained, perhaps even for near with the improvements made in the 1970 reference.
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20: Bibliography D
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Recherches analytiques sur la théorie des nombres premiers. Première partie. La fonction de Riemann et les nombres premiers en général, suivi d’un Appendice sur des réflexions applicables à une formule donnée par Riemann.
Ann. Soc. Sci. Bruxelles 20, pp. 183–256 (French).
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Recherches analytiques sur la théorie des nombres premiers. Deuxième partie. Les fonctions de Dirichlet et les nombres premiers de la forme linéaire
.
Ann. Soc. Sci. Bruxelles 20, pp. 281–397 (French).
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Algorithm 708: Significant digit computation of the incomplete beta function ratios.
ACM Trans. Math. Software 18 (3), pp. 360–373.
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Complex zeros of cylinder functions.
Math. Comp. 20 (94), pp. 215–222.
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Uniform asymptotic expansions for Whittaker’s confluent hypergeometric functions.
SIAM J. Math. Anal. 20 (3), pp. 744–760.
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