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On positivity of principal minors of bivariate Bézier collocation matrix

✍ Scribed by Jaklič, Gašper; Kanduč, Tadej


Book ID
122254112
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
625 KB
Volume
227
Category
Article
ISSN
0096-3003

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On Total Positivity of the Discrete Spli
✍ Knut M. Mørken 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 639 KB

R. Q. Jia (J. Approx. Theory 39 (1983), 11 23), proved that the discrete spline collocation matrix was totally positive, and he also gave necessary and sufficient conditions for when a minor has a positive determinant. By a counterexample, it is shown in this paper that his necessary and sufficient