Fredholm İntegro Diferansiyel Denklemin Sayısal Çözümü için Alternatif Bir Yöntem

Year 2020, , 46 - 53, 20.03.2020

Erkan Cimen , Kübra Enterili

https://doi.org/10.18185/erzifbed.633899

Cited By: 2

Abstract

Bu çalışmada, birinci mertebeden
lineer Fredholm integro diferansiyel denklem için başlangıç değer problemini
ele alıyoruz. Bu problemin nümerik çözümü için düzgün şebekede bir yeni fark
şeması inşa ediyoruz. Bu şema, kalan terimi integral biçiminde olan
interpolasyon quadratür formülleri ve üstel baz fonksiyonunu içeren integral
özdeşliklerinden meydana gelmektedir. Metodun ayrık maksimum normda birinci
mertebeden yakınsaklığı ispatladık. Ayrıca, hem sunulan metot hem de Euler
metodu kullanılarak bir örnek çözüldü ve hesaplanan sonuçlar kaşılaştırıldı.

Keywords

Fredholm integro-diferansiyel denklem, başlangıç-değer problemi, sonlu fark metodu, hata değerlendirmesi

An Alternative Method for Numerical Solution of Fredholm Integro Differential Equation

Abstract

In this
paper, we consider a linear first order Fredholm integro differential equation
with initial condition. To solve this problem numerically, we construct a

new difference scheme on a uniform mesh. The scheme is based on the method of
integral identities with the use of exponential basis functions and
interpolating quadrature rules with the weight and remainder terms in integral
form. We prove that the method is

first order convergence in the discrete maximum norm. Moreover, a numerical
example is solved using both the presented method and the Euler method and
compared the computed results.

Keywords

Fredholm integro-differential equation, initial value problem, finite difference method, error estimate

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