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Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations
A new family of expanded mixed finite element methods is constructed for solving the reaction–diffusion equations. Compared with the traditional expanded mixed element methods, the new methods result into splitting systems and the coefficient matrixes are symmetric positive definite. The uniqueness and stability of the proposed algorithms are considered, and the corresponding error estimates are derived. Finally, some numerical examples are presented to verify the effectiveness of the proposed algorithms.
Journal of Applied Mathematics and Computing – Springer Journals
Published: Aug 1, 2022
Keywords: Expanded mixed element; Splitting system; Convergence analysis; Reaction–diffusion equations; 65M15; 65M60; 65N12; 65N15; 65N30
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