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On the λ-means of some trigonometric series

✍ Scribed by Roman Taberski

Publisher
Springer
Year
1999
Tongue
English
Weight
332 KB
Volume
15
Category
Article
ISSN
1573-8175

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✍ Andi Kivinukk 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 938 KB

Many approximation methods in C 2? may be generated via a certain function . # C [0, 1] with .(0)=1, .(1)=0. The function . j (t)=cos( j&1Â2) ?t ( j # N) generates the Rogosinski approximation method [N. K. Bari, ``A Treatise on Trigonometric Series,'' Vols. I, II, Pergamon Press, New York, 1964]. O