Analytical Solutions to a Nonlinear Fredholm Integral Equation Using Laplace-Series Techniques

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S U Kore
S S Bellale

Abstract

This paper presents a comprehensive analytical investigation into solving a specific nonlinear Fredholm integral equation of the second kind, expressed as u(x)=x+λ∫01​xtu2(t)dt. Utilizing the Laplace-series method, we derive explicit solutions and validate their accuracy through detailed mathematical procedures. The study focuses on the parameter λ , with particular emphasis on the case λ=0.7, where two distinct linear solutions emerge. We explore the derivation process, verify the solutions against special cases, and analyze their graphical representation using a MATLAB-based approach. The findings underscore the effectiveness of the Laplace-series method in addressing nonlinear integral equations and provide insights into the behavior of the solutions over the interval [0,1]. The results are further supported by numerical verification and a visual plot, offering a robust framework for understanding the equation’s solution space.

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How to Cite
Kore, S. U., & Bellale, S. S. (2025). Analytical Solutions to a Nonlinear Fredholm Integral Equation Using Laplace-Series Techniques. Turkish Journal of Computer and Mathematics Education (TURCOMAT), 16(2), 86–97. https://doi.org/10.61841/turcomat.v16i2.15466
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References

[1] Aseel Ameen Harbi, Zahraa Nabil Kazem, Safa Ehab Mohammed (2025), Advancements in Numerical Analysis: Techniques for Solving Volterra and Fredholm Equations, Journal of Al-Qadisiyah for Computer Science and Mathematics, 2521-3504, Vol.17.(2) 2025,pp. 80–91.

[2] S U Kore, S S Bellale and Y M Muley (2024), Evaluating Analytical Approximations and Numerical Solutions for Volterra’s Population Growth Equation, Communications on Applied Nonlinear Analysis,1074-133X, Vol 31 No. 4s.

[3] Khan, S. U., & Ali, I. (2019), Convergence and error analysis of a spectral collocation method for solving system of nonlinear Fredholm integral equations of second kind. Computational and Applied Mathematics, 38(3). https://doi.org/10.1007/s40314-019-0897-2

[4] Wazwaz, A.-M. (2011). Linear and Nonlinear Integral Equations: Methods and Applications. Springer.

[5] Jerri, A. J. (1999). Introduction to Integral Equations with Applications. Wiley.

[6] MATLAB Documentation. (2023). MathWorks.

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