Interpolation and cubature for rectangular sets of nodes
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- by Lawrence A. Harris and Brian Simanek PDF
- Proc. Amer. Math. Soc. 149 (2021), 3485-3497 Request permission
Abstract:
This article obtains specific formulas for Lagrange polynomials for rectangular versions of the even and the odd product nodes in $\mathbb {R}^2$. These polynomials are applied to obtain an exact cubature formula for bivariate polynomials when the number of rows of the nodes exceeds the number of columns by one.References
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Additional Information
- Lawrence A. Harris
- Affiliation: Department of Mathematics, University of Kentucky, Lexington, Kentucky 40506
- MR Author ID: 235975
- Email: larry@ms.uky.edu
- Brian Simanek
- Affiliation: Department of Mathematics, Baylor University, Waco, Texas 76798
- MR Author ID: 959574
- Email: Brian_Simanek@baylor.edu
- Received by editor(s): July 23, 2020
- Received by editor(s) in revised form: October 7, 2020, and October 28, 2020
- Published electronically: May 18, 2021
- Communicated by: Mourad Ismail
- © Copyright 2021 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 149 (2021), 3485-3497
- MSC (2020): Primary 65D05; Secondary 65D32, 42C05
- DOI: https://doi.org/10.1090/proc/15414
- MathSciNet review: 4273151