Global convergence method for singularly perturbed boundary value problems |
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Affiliation: | Department of Mathematics, Faculty of Science, University of NoviSad, Trg D. Obradovića 4, 21 000 Novi Sad, Serbia and Montenegro, Yugoslavia |
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Abstract: | We give uniformly convergent splines difference scheme for singularly perturbed boundary value problems(1)by using splines fitted with delta sequence due to the very stiff nature of the problem under consideration. We prove the order of uniform convergence with respect to small parameter at nodes on uniform mesh and order of uniform global convergence with respect to the approximate solution given by where H is the Heaviside function, which is the approximation for the closed form of the exact solution. |
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