An Exact Inequality of Jackson-Chernykh Type for Spline Approximations of Periodic Functions
- Авторлар: Vinogradov O.1
-
Мекемелер:
- St. Petersburg State University
- Шығарылым: Том 60, № 3 (2019)
- Беттер: 412-428
- Бөлім: Article
- URL: https://journals.rcsi.science/0037-4466/article/view/172398
- DOI: https://doi.org/10.1134/S0037446619030066
- ID: 172398
Дәйексөз келтіру
Аннотация
We establish the inequality with exact constant for spline approximations of periodic functions which is similar to the Jackson-Chernykh inequality for approximations by trigonometric polynomials. We study the question of the least step in the obtained inequality.
Негізгі сөздер
Авторлар туралы
O. Vinogradov
St. Petersburg State University
Хат алмасуға жауапты Автор.
Email: olvin@math.spbu.ru
Ресей, St. Petersburg
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