Zobrazeno 1 - 8
of 8
pro vyhledávání: '"王军霞"'
Publikováno v:
Journal of Computer Engineering & Applications; 5/1/2024, Vol. 60 Issue 9, p19-29, 11p
Publikováno v:
Journal of Xinyang Normal University Natural Science Edition; 2024, Vol. 37 Issue 1, p62-65, 4p
Autor:
WANGJunxia(王军霞), LIGuocheng(李国成)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 44, Iss 6, Pp 711-717 (2017)
考察了加Jacobi权w(x)=xα(1-x)α(α≥0)的Lp空间中Müntz有理函数的逼近问题.利用K-泛函与加权光滑模的等价性给出了逼近阶的估计以及Ditzian-Totik型定理.所得结果将已有文献中的相应结论推广到了
Externí odkaz:
https://doaj.org/article/8556d68cb05c42e280bf795a42db4bbc
Publikováno v:
Journal of Functional Materials / Gongneng Cailiao. 2021, Vol. 52 Issue 7, p7215-7220. 6p.
Publikováno v:
Atomic Energy Science & Technology; Dec2023, Vol. 57 Issue 12, p2399-2408, 10p
Autor:
WANGJunxia(王军霞), YUDansheng(虞旦盛)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 41, Iss 2, Pp 138-144 (2014)
利用K-泛函和光滑模，给出了连续函数和光滑函数的Müntz有理逼近的速度估计，得到了 一个融整体估计和点态估计为一体的Jackson型定理.进一步考虑了中有理函数对光滑函数的逼近，其逼近
Externí odkaz:
https://doaj.org/article/2418236610e647758903d1ae68b0ec13
Publikováno v:
Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao; Dec2021, Vol. 32 Issue 12, p4488-4498, 11p
Publikováno v:
Journal of Agro-Environment Science; 2017, Vol. 36 Issue 7, p1316-1322, 7p