sums of products
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31—40 of 115 matching pages
31: 3.3 Interpolation
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3.3.35
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32: 18.30 Associated OP’s
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►For other cases there may also be, in addition to a possible integral as in (18.30.10), a finite sum of discrete weights on the negative real -axis each multiplied by the polynomial product evaluated at the corresponding values of , as in (18.2.3).
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33: 27.14 Unrestricted Partitions
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27.14.18
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34: 5.14 Multidimensional Integrals
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5.14.2
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35: 14.18 Sums
§14.18 Sums
… ►§14.18(iii) Other Sums
… ►For a series representation of the Dirac delta in terms of products of Legendre polynomials see (1.17.22). … ►For collections of sums involving associated Legendre functions, see Hansen (1975, pp. 367–377, 457–460, and 475), Erdélyi et al. (1953a, §3.10), Gradshteyn and Ryzhik (2000, §8.92), Magnus et al. (1966, pp. 178–184), and Prudnikov et al. (1990, §§5.2, 6.5). …36: 25.8 Sums
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25.8.4
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37: 27.2 Functions
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►Functions in this section derive their properties from the fundamental
theorem of arithmetic, which states that every integer can be represented uniquely as a product of prime powers,
…It can be expressed as a sum over all primes :
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►the sum of the th powers of the positive integers that are relatively prime to .
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►It is the special case of the function that counts the number of ways of expressing as the product of factors, with the order of factors taken into account.
…is the sum of the th powers of the divisors of , where the exponent can be real or complex.
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38: 20.5 Infinite Products and Related Results
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20.5.9
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39: 20.12 Mathematical Applications
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►For applications of to problems involving sums of squares of integers see §27.13(iv), and for extensions see Estermann (1959), Serre (1973, pp. 106–109), Koblitz (1993, pp. 176–177), and McKean and Moll (1999, pp. 142–143).
►For applications of Jacobi’s triple product (20.5.9) to Ramanujan’s function and Euler’s pentagonal numbers see Hardy and Wright (1979, pp. 132–160) and McKean and Moll (1999, pp. 143–145).
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