Saddle point approximation to Higher order

Author:

Fabiano NicolaORCID,Mirkov NikolaORCID

Abstract

Introduction/purpose: Saddle point approximation has been considered in the paper Methods: The saddle point method is used in several different fields of mathematics and physics. Several terms of the expansion for the factorial function have been explicitely computed. Results: The integrals estimated in this way have values close to the exact one. Conclusions: Higher order corrections are not negligible even when requiring moderate levels of precision.

Publisher

Centre for Evaluation in Education and Science (CEON/CEES)

Reference14 articles.

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3. Dirac, P.A.M. 1933. The Lagrangian in Quantum Mechanics. Physikalische Zeitschrift der Sowjetunion, 3(1), pp.64-72;

4. Erdelyi, A. 1956. Asymptotic expansions. New York: Dover Publications, Inc;

5. Feynman, R.P. 1965. Nobel Lecture. The Development of the Space-Time View of Quantum Electrodynamics. The Nobel Prize, December 11 [online]. Available at: https://www.nobelprize.org/prizes/physics/1965/feynman/lecture/ [Accessed: 15 January 2022];

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