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 |
|---|---|
| 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