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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Format: | Article |
Language: | zho |
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Zhejiang University Press
2002-01-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
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Online Access: | https://doi.org/zjup/1008-9497.2002.29.1.8-11 |