On the Negative Extremums of Fundamental Functions of Lagrange Interpolation Based on Chebyshev Nodes
DOI:
https://doi.org/10.4208/ata.2013.v29.n4.4Keywords:
Negative extremum, Lagrange interpolation, Chebyshev polynomial, fundamental function of interpolation.Abstract
In this paper, we investigate the negative extremums of fundamental functions of Lagrange interpolation based on Chebyshev nodes. Moreover, we establish some companion results to the theorem of J. Szabados on the positive extremum.
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2013-11-02
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On the Negative Extremums of Fundamental Functions of Lagrange Interpolation Based on Chebyshev Nodes. (2013). Analysis in Theory and Applications, 29(4), 348-357. https://doi.org/10.4208/ata.2013.v29.n4.4
