On Total Positivity of the Discrete Spli
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Knut M. MΓΈrken
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Article
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1996
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Elsevier Science
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English
β 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