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Optimal Lebesgue Constant for Lagrange Interpolation

✍ Scribed by Vértesi, P.


Book ID
118187012
Publisher
Society for Industrial and Applied Mathematics
Year
1990
Tongue
English
Weight
633 KB
Volume
27
Category
Article
ISSN
0036-1429

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The Lebesgue Function and Lebesgue Const
✍ S.B. Damelin 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 399 KB

We establish pointwise as well as uniform estimates for Lebesgue functions associated with a large class of Erdo s weights on the real line. An Erdo s weight is of the form W :=exp(&Q), where Q : R Ä R is even and is of faster than polynomial growth at infinity. The archetypal examples are where Q