An Effective Approach Based on Generalized Bernstein Basis Functions for the System of Fourth-Order Initial Value Problems for an Arbitrary Interval

Muhammad Basit, Komal Shahnaz, Rida Malik, Samsul Ariffin Abdul Karim () and Faheem Khan ()
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Muhammad Basit: Department of Mathematics, University of Sargodha, Sargodha 40100, Pakistan
Komal Shahnaz: Department of Mathematics, University of Sargodha, Sargodha 40100, Pakistan
Rida Malik: Department of Mathematics, University of Sargodha, Sargodha 40100, Pakistan
Samsul Ariffin Abdul Karim: Software Engineering Programme, Faculty of Computing and Informatics, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
Faheem Khan: Department of Mathematics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan

Mathematics, 2023, vol. 11, issue 14, 1-15

Abstract: The system of ordinary differential equations has many uses in contemporary mathematics and engineering. Finding the numerical solution to a system of ordinary differential equations for any arbitrary interval is very appealing to researchers. The numerical solution of a system of fourth-order ordinary differential equations on any finite interval [ a , b ] is found in this work using a symmetric Bernstein approximation. This technique is based on the operational matrices of Bernstein polynomials for solving the system of fourth-order ODEs. First, using Chebyshev collocation nodes, a generalised approximation of the system of ordinary differential equations is discretized into a system of linear algebraic equations that can be solved using any standard rule, such as Gaussian elimination. We obtain the numerical solution in the form of a polynomial after obtaining the unknowns. The Hyers–Ulam and Hyers–Ulam–Rassias stability analyses are provided to demonstrate that the proposed technique is stable under certain conditions. The results of numerical experiments using the proposed technique are plotted in figures to demonstrate the accuracy of the specified approach. The results show that the suggested Bernstein approximation method for any interval is quick and effective.

Keywords: Bernstein polynomials; numerical method; symmetric; discretization; Hyers–Ulam stability; Hyers–Ulam–Rassias stability; ordinary differential equations (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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