Journal
FUNDAMENTA INFORMATICAE
Volume 146, Issue 3, Pages 231-254Publisher
IOS PRESS
DOI: 10.3233/FI-2016-1384
Keywords
Differential algebraic systems; Nonclassical boundary conditions; Reproducing kernel theory; Fourier series expansion
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This paper presents novel reproducing kernel algorithm for obtaining the numerical solutions of differential algebraic systems with nonclassical boundary conditions for ordinary differential equations. The representation of the exact and the numerical solutions is given in the W [ 0; 1] and H [ 0; 1] inner product spaces. The computation of the required grid points is relying on the R-t (s) and r(t) (s) reproducing kernel functions. An efficient construction is given to obtain the numerical solutions for the systems together with an existence proof of the exact solutions based upon the reproducing kernel theory. Numerical solutions of such nonclassical systems are acquired by interrupting the eta-term of the exact solutions. In this approach, numerical examples were analyzed to illustrate the design procedure and confirm the performance of the proposed algorithm in the form of tabulate data and numerical comparisons. Finally, the utilized results show the significant improvement of the algorithm while saving the convergence accuracy and time.
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