JOURNAL ARTICLE
Müntz有理函数的加权 L p 逼近
Year: 2017 Journal: DOAJ (DOAJ: Directory of Open Access Journals)
Abstract
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加权情形.
Keywords:
Computer science
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