A criterion for the positivity of rational cubic \(C^ 2\)-spline interpolants (Q753379)
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scientific article; zbMATH DE number 4180629
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A criterion for the positivity of rational cubic \(C^ 2\)-spline interpolants |
scientific article; zbMATH DE number 4180629 |
Statements
A criterion for the positivity of rational cubic \(C^ 2\)-spline interpolants (English)
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1990
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By means of a finite set of inequalities a sufficient and necessary condition for the positivity of rational cubic splines is given which holds true whenever the rationality parameters are sufficiently large.
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positive spline interpolation
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existence condition
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rational cubic splines
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