Citation: | F. Afiatdoust, M. H. Heydari, M. M. Hosseini. BLOCK-BY-BLOCK TECHNIQUE FOR A CLASS OF NONLINEAR SYSTEMS OF FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS[J]. Journal of Applied Analysis & Computation, 2024, 14(1): 214-234. doi: 10.11948/20230157 |
This work expresses an approximate approach for a class of nonlinear systems of fractional integro-differential equations. The proposed scheme uses the five-point Gauss-Lobatto quadrature method and the block-by-block technique. This procedure obtains automatically several approximate values of the problem at the same time. The analysis of convergence of the adopted approach is investigated. Moreover, it is proved that the convergence order of the method is $ O(h^8) $. Some numerical examples are considered to reveal the effectiveness of the method.
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Graphs of the true and approximate solutions (left), and associated absolute error functions (right) with
Graphs of the true solution and approximate solutions with some values of
Graphs of the true solution and approximate solutions with some values of
Graphs of the true solution and approximate solutions with some values of
Graphs of the absolute error functions for some values of