Inequalities in approximation;
Approximation by rational functions;
DERIVATIVES;
D O I:
10.1016/j.jmaa.2015.12.010
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this paper, we give sharp Rusak- and Markov-type inequalities for rational functions on several intervals when the system of intervals is a "rational function inverse image" of an interval and those functions are large in gaps. (C) 2015 Elsevier Inc. All rights reserved.