Reusing Chebyshev points for polynomial interpolation (Q747725)
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scientific article; zbMATH DE number 6495728
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reusing Chebyshev points for polynomial interpolation |
scientific article; zbMATH DE number 6495728 |
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Reusing Chebyshev points for polynomial interpolation (English)
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19 October 2015
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The nestedness of sets of Chebyshev points of certain quantities in the unit interval is used in order to increase the efficiency of polynomial Lagrange interpolation methods. The authors also consider numerical examples of the Lebesgue numbers of such sequences of Lagrange interpolants.
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polynomial interpolation
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Chebyshev points
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Lebesgue constant
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0.90083957
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0.89941067
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0.8952364
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0.8791535
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0.87908095
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0.8780537
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