On a second derivative test due to Qi (Q1276142)
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scientific article; zbMATH DE number 1240637
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On a second derivative test due to Qi |
scientific article; zbMATH DE number 1240637 |
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On a second derivative test due to Qi (English)
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25 July 1999
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The author gives a condition employing the second-derivative operator introduced by \textit{L. Qi} [SIAM J. Numer. Anal. 19, 851-857 (1982; Zbl 0506.65020)] which guarantees not only existence (as proved by Qi) but also uniqueness of a zero of a nonlinear function \(f\) in a rectangular box \([x]\subset R^n\).
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second derivative test
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existence
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uniqueness
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nonlinear system
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Moore test
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convergence
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interval arithmetic
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0.83450985
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0.80414754
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0.79383343
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0.78026134
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