Mean convergence rate of derivatives by Lagrange interpolation on Chebyshev grids (Q764554)
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scientific article; zbMATH DE number 6014507
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Mean convergence rate of derivatives by Lagrange interpolation on Chebyshev grids |
scientific article; zbMATH DE number 6014507 |
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Mean convergence rate of derivatives by Lagrange interpolation on Chebyshev grids (English)
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13 March 2012
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Summary: We consider the rate of mean convergence of derivatives by Lagrange interpolation operators based on the Chebyshev nodes. Some estimates of error of the derivatives approximation in terms of the error of best approximation by polynomials are derived. Our results are sharp.
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Lagrange interpolation operators
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Chebyshev nodes
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best approximation
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