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Interpolatory properties of best rationalL1-approximations

✍ Scribed by András Kroó; Franz Peherstorfer


Publisher
Springer
Year
1988
Tongue
English
Weight
425 KB
Volume
4
Category
Article
ISSN
0176-4276

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Uniqueness of periodic best L1-approxima
✍ Manfred Sommer 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 245 KB

In this paper we give a characterization of the finite-dimensional subspaces of periodic, realvalued and continuous functions which admit uniqueness of best L 1 -approximations. Our investigations are based on the well-known Property A which characterizes a finitedimensional subspace of continuous f