拉格朗日插值多项式于平方收敛意义下的收敛逼近阶An Upper Bound for the Rate of Square Mean Convergence of the Lagrange Process
许贵桥,王里程,赵新生
摘要(Abstract):
本文得到了以 Legendre 多项式及以 Tchebycheff 多项式的导数的零点为插值结点组的拉格朗日插值多项式于平方收敛意义下的收敛速度。
关键词(KeyWords): 多项式逼近;多项式插值;拉格朗日量;平方收敛;Legendre多项式;Tchebycheff多项式;粒格朗日插值多项式
基金项目(Foundation):
作者(Author): 许贵桥,王里程,赵新生
参考文献(References):
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