Abstract
Our purpose is to obtain in an elementary way a sharp estimate on the derivative of a trigonometric polynomial of degree < n at a point θ when the trigonometric polynomial has a known bound at the Chebyshev points and at θ.
Original language | English |
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Pages (from-to) | 155-156 |
Number of pages | 2 |
Journal | Proceedings of the American Mathematical Society |
Volume | 84 |
Issue number | 1 |
DOIs | |
State | Published - Jan 1982 |
ASJC Scopus subject areas
- General Mathematics
- Applied Mathematics