A quasi-Legendre basis and its application(一种类Legendre基及其应用)

利用T-Bézier基的优美性质,如对称性质和端点性质,在空间Γn = span{1, t, t2, …,tn-4 ,sin t, cos t,sin 2t,cos 2t}中构造了一蛆正交基,并利用正交性和升阶及求导性质得出了这两组基之间的过渡矩阵,进一步指明了这组类Legendre基在降阶逼近中的应用.另外,在T-Bézier系统中可以充当Legendre基在Bézier系统中的角色....

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Bibliographic Details
Main Authors: ZHOUZhi-min(周志敏), WANGGuo-zhao(汪国昭)
Format: Article
Language:zho
Published: Zhejiang University Press 2006-07-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/zjup/1008-9497.2006.33.4.398-402