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The Black Sea Journal of Sciences
Article . 2023 . Peer-reviewed
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Solution of Some Integral Equations by Point-Collocation Method

Authors: Birkan DURAK; Hasan Ömür ÖZER; Şule KAPKIN; Hüseyin YILDIZ;

Solution of Some Integral Equations by Point-Collocation Method

Abstract

In several engineering or physics problems, particularly those involving electromagnetic theory, thermal and radiation effects, acoustics, elasticity, and some fluid mechanics, it is not always easy or possible to find the analytical solution of integral equations that describe them. For this reason, numerical techniques are used. In this study, Point-collocation method was applied to linear and nonlinear, Volterra and Fredholm type integral equations and the performance and accuracy of the method was compared with several other methods that seem to be popular choices. As the base functions, a suitably chosen family of polynomials were employed. The convergence of the method was verified by increasing the number of polynomial base functions. The results demonstrate that the collocation method performs well even with a relatively low number of base functions and is a good candidate for solving a wide variety of integral equations. Nonlinear problems take longer to calculate approximate solution coefficients than linear problems. Furthermore, it is necessary to use the real and smallest coefficients found in order to obtain a suitable approximate solution to these problems.

Keywords

Kollokasyon yöntemi;Doğrusal olmayan integral denklemler;Volterra denklemleri;Fredholm denklemleri;Yaklaşık çözüm yöntemi, Classical Physics (Other), Collocation method;Nonlinear integral equations;Volterra equations;Fredholm equations;Approximate solution method, Klasik Fizik (Diğer)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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