Improved Steepest Descent Method using Modified Bessel Function K_(1/4 ) for Gamma Function Evaluation

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Abstract

Steepest descent method employs a Gaussian function when approximating an integral of a function. In this article we improve the approximation by using function in the form of . As an example, we approximate the value of gamma function to provide improved approximation for Stirling formula that is often used for estimating factorial of a large number.
Original languageEnglish
JournalAl-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics
Volume4
Issue number2
DOIs
Publication statusPublished - 6 Jan 2022

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