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Publication Type : Journal Article
Publisher : Applied Mathematics and Computation
Source : Applied Mathematics and Computation
Campus : Coimbatore
School : School of Engineering
Center : Amrita Innovation & Research
Department : Mathematics
Verified : Yes
Year : 2022
Abstract : In the present work, a high-order numerical scheme based on B-spline functions is developed for solving a class of nonlinear derivative dependent singular boundary value problems (DDSBVP). To derive the method, we first generate a high order perturbation of the original problem by using spline alternate relations. Then, we determine the approximate solution by forcing it to satisfy the resulting perturbed problem at the grid points of the spline. Convergence analysis of the method is established through matrix approach. Four nonlinear examples are considered to demonstrate the accuracy and robustness of the method. The proposed method provides O (h 6) superconvergent approximation to the solution of the problem under consideration, where h is the step size. This method produces significantly more accurate results than the two newly developed numerical schemes using the same B-spline functions as