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21: 1.11 Zeros of Polynomials
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►A monic polynomial of even degree with real coefficients has at least two zeros of opposite signs when the constant term is negative.
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►Resolvent cubic is with roots , , , and , , .
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►with real coefficients, is called stable if the real parts of all the zeros are strictly negative.
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22: 32.8 Rational Solutions
23: 19.36 Methods of Computation
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19.36.2
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►Because may be real and negative, or even complex, care is needed to ensure , and similarly for and .
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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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►A three-part computational procedure for is described by Franke (1965) for .
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24: 26.9 Integer Partitions: Restricted Number and Part Size
§26.9 Integer Partitions: Restricted Number and Part Size
… ► denotes the number of partitions of into at most parts. … … ►Conjugation establishes a one-to-one correspondence between partitions of into at most parts and partitions of into parts with largest part less than or equal to . … ►equivalently, partitions into at most parts either have exactly parts, in which case we can subtract one from each part, or they have strictly fewer than parts. …25: 36.8 Convergent Series Expansions
26: 22.3 Graphics
27: 20.11 Generalizations and Analogs
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►For relatively prime integers with and
even, the Gauss sum
is defined by
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28: 30.9 Asymptotic Approximations and Expansions
29: 23.18 Modular Transformations
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►Here e and o are generic symbols for even and odd integers, respectively.
In particular, if , and are all even, then
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30: 9.18 Tables
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Zhang and Jin (1996, p. 337) tabulates , , , for to 8S and for to 9D.
Woodward and Woodward (1946) tabulates the real and imaginary parts of , , , for , . Precision is 4D.
Sherry (1959) tabulates , , , , ; 20S.
Corless et al. (1992) gives the real and imaginary parts of for ; 14S.