On the multivariate generalization of the Grünwald operator(关于Grünwald算子的多元推广)

考虑R2中三角域和多边形域上的Grünwald插值算子及其一种基于非负凸组合的有理变形,证明了两种插值的存在性和唯一性,给出了相应的逼近估计,且最后的逼近估计是精确的,从而给出了Grünwald算子非乘积型多元推广不分片和分片的两个范例。...

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Bibliographic Details
Main Author: LINLu(林路)
Format: Article
Language:zho
Published: Zhejiang University Press 2002-01-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/zjup/1008-9497.2002.29.1.8-11