Abstract
In this article, we solve a class of coupled systems of nonlinear differential equations with appropriate initial, boundary, and four-point boundary conditions. We use quasilinearization to linearise these systems of equations and then use the Haar wavelets collocation approach to get the numerical solutions. We propose three quasilinearization schemes and observe that among them two schemes converge faster than the third one. We have also compared our results with other existing results that demonstrate the accuracy and effectiveness of our approach. The convergence of the schemes is also presented. The theory can be used to design and analyse the algorithm for the solution of SBVPs with the aid of Haar Wavelets.








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Communicated by Eduardo Souza de Cursi.
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Kumar, N., Tiwari, D., Verma, A.K. et al. Hybrid model for the optimal numerical solution of nonlinear ordinary differential systems. Comp. Appl. Math. 42, 322 (2023). https://doi.org/10.1007/s40314-023-02468-7
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DOI: https://doi.org/10.1007/s40314-023-02468-7