Pointwise estimates for polynomial approximation on the semiaxis

We state some pointwise estimates for the rate of weighted approximation of a continuous function on the semiaxis by polynomials. Similarly to a previous result in C[−1, 1] due to Z. Ditzian and D. Jiang [2], we consider weighted ϕλ

• Type: Journal
• Year: 2010
• Where: JAT
• Authors: Giuseppe Mastroianni, Woula Themistoclakis
• Keywords: Approximation, Continuous Function, JAT 2010, Pointwise Estimates