Asymptotic approximations for n!

Richard B. Paris

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4 Citations (Scopus)
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Several approximations for n! have recently appeared in the literature. We show here how these approximations can be derived by expansion of certain polynomials in inverse powers of n and comparison with Stirling’s asymptotic series. Some new approximations are also given. The same procedure is applied to generate approximations for the ratio of two gamma functions.
Original languageEnglish
JournalApplied Mathematical Sciences
Publication statusPublished - 2011


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