Chebyshev's alternance in the approximation of constants by simple partial fractions (Q630203)
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scientific article; zbMATH DE number 5866956
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Chebyshev's alternance in the approximation of constants by simple partial fractions |
scientific article; zbMATH DE number 5866956 |
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Chebyshev's alternance in the approximation of constants by simple partial fractions (English)
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17 March 2011
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The authors study the uniform approximation of real constants by simple partial fractions on a closed interval of the real axis. It is proved that a simple partial fraction of best approximation of the degree \(n\) for a constant is unique and there is a Chebyshev alternance consisting of \(n+1\) points.
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simple partial fraction
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interpolation
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Chebyshev alternance
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