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A local projection operator for quadrilateral finite elements


Author: V. Girault
Journal: Math. Comp. 64 (1995), 1421-1431
MSC: Primary 65N30; Secondary 65D32
DOI: https://doi.org/10.1090/S0025-5718-1995-1308454-X
MathSciNet review: 1308454
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Abstract: This note studies the approximation error of a local projection operator on polynomials of total degree k defined on quadrilaterals. Among other applications, this projection operator permits to derive easily error estimates for quadrature formulas.


References [Enhancements On Off] (What's this?)

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Additional Information

DOI: https://doi.org/10.1090/S0025-5718-1995-1308454-X
Keywords: Isoparametric quadrilateral finite elements, local projections, quadrature formulas
Article copyright: © Copyright 1995 American Mathematical Society