Adaptive Integration of Convex Functions of One Real Variable

We present an adaptive method of approximate integration of convex (as well as concave) functions based on a certain refinement of the celebrated Hermite–Hadamard inequality. Numerical experiments are performed and the role of harmonic numbers is shown.

Bibliographic Details
Main Author: Wąsowicz Szymon
Format: Article
Language:English
Published: Sciendo 2024-03-01
Series:Annales Mathematicae Silesianae
Subjects:
Online Access:https://doi.org/10.2478/amsil-2023-0028
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author Wąsowicz Szymon
author_facet Wąsowicz Szymon
author_sort Wąsowicz Szymon
collection DOAJ
description We present an adaptive method of approximate integration of convex (as well as concave) functions based on a certain refinement of the celebrated Hermite–Hadamard inequality. Numerical experiments are performed and the role of harmonic numbers is shown.
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spelling doaj.art-86662c761fb74cb09bd80a276a3c5fc62024-04-02T09:28:47ZengSciendoAnnales Mathematicae Silesianae2391-42382024-03-0138112013310.2478/amsil-2023-0028Adaptive Integration of Convex Functions of One Real VariableWąsowicz Szymon01Department of Mathematics, University of Bielsko–Biala, Willowa 2, 43–309Bielsko–Biała, PolandWe present an adaptive method of approximate integration of convex (as well as concave) functions based on a certain refinement of the celebrated Hermite–Hadamard inequality. Numerical experiments are performed and the role of harmonic numbers is shown.https://doi.org/10.2478/amsil-2023-0028adaptive integrationconvex functionhermite–hadamard inequalityquadraturemidpoint ruletrapezoid rule41a5565d3065d3226a5126d15
spellingShingle Wąsowicz Szymon
Adaptive Integration of Convex Functions of One Real Variable
Annales Mathematicae Silesianae
adaptive integration
convex function
hermite–hadamard inequality
quadrature
midpoint rule
trapezoid rule
41a55
65d30
65d32
26a51
26d15
title Adaptive Integration of Convex Functions of One Real Variable
title_full Adaptive Integration of Convex Functions of One Real Variable
title_fullStr Adaptive Integration of Convex Functions of One Real Variable
title_full_unstemmed Adaptive Integration of Convex Functions of One Real Variable
title_short Adaptive Integration of Convex Functions of One Real Variable
title_sort adaptive integration of convex functions of one real variable
topic adaptive integration
convex function
hermite–hadamard inequality
quadrature
midpoint rule
trapezoid rule
41a55
65d30
65d32
26a51
26d15
url https://doi.org/10.2478/amsil-2023-0028
work_keys_str_mv AT wasowiczszymon adaptiveintegrationofconvexfunctionsofonerealvariable