Direct and Inverse Approximation Theorems for Baskakov Operators with the Jacobi-Type Weight

We introduce a new norm and a new K-functional Kφλ(f;t)w,λ. Using this K-functional, direct and inverse approximation theorems for the Baskakov operators with the Jacobi-type weight are obtained in this paper.

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Bibliographic Details
Main Author: Guo Feng
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2011/101852
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