Article information

2024 , Volume 29, ¹ 5, p.55-71

Segni S., Tair B., Guebbai H.

Single equation approach for linear Fredholm integro-differential equations

Our overarching goal is to significantly enhance computational efficiency and minimize memory space utilization which is very important in the case of large integration intervals. To begin this endeavor, we establish sufficient conditions that guarantee the existence and uniqueness of the solution. Our novel method is grounded in the Single Equation Approach, which consists in using the variable transformation 𝑣(𝑥), completed by the Trapezoidal rule. This transformation plays a pivotal role in converting our equation into an algebraic system, thereby reducing the number of equations and unknowns in the discrete system. Underlying these developments is a fundamental requirement ensuring the existence and uniqueness of the solution. Leveraging this, we formulate theorems that establish the convergence of the approximate solution, ensuring consistency between analytical and numerical investigations. Ultimately, we conduct a comparative analysis between our newly introduced technique and the older method. This comparison serves to highlight the superior computational efficiency and reduced storage space consumption offered by our innovative digital framework.


Keywords: integro-differential equations, quadrature method, numerical integration

doi: 10.25743/ICT.2024.29.5.006

Author(s):
Segni Sami
Associate Professor
Position: Associate Professor
Office: Laboratory of Applied Mathematics and Modelling, University 8 May 1945
Address: 24000, Algiers, Guelma, B.P. 401
E-mail: segnianis@gmail.com

Tair Boutheina
PhD. , Associate Professor
Position: Research Scientist
Office: University Constantine 03, National higher school of biotechnology
Address: Algiers, Ali menjeli, Guelma, B.P. 401
E-mail: tairboutheina2@gmail.com

Guebbai Hamza
PhD. , Professor
Position: Professor
Office: University 8 May 1945
Address: 24000, Algiers, Guelma, B.P. 401
E-mail: guebaihamza@yahoo.fr


Bibliography link:
Segni S., Tair B., Guebbai H. Single equation approach for linear Fredholm integro-differential equations // Computational technologies. 2024. V. 29. ¹ 5. P. 55-71
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