摘要
该文利用两点修正的方法构造了一个三角插值多项式算子 Tn(f ;r,x) ,进一步讨论了 S.N.Bernstein问题 ,圆满地回答了 S.N.
In this paper, a triangle interpolation polynomial is constructed through the m ethod of two zero nodes revised.The S.N.Bernstein problem is discussed in a deep step.The answer of the problem of S.N.Bernstein is the best.
出处
《数学物理学报(A辑)》
CSCD
北大核心
2000年第2期256-260,共5页
Acta Mathematica Scientia