摘要
本文研究了三角域上的非乘积型Ｂｅｒｎｓｔｅｉｎ多项式的导数逼近函数时的收敛阶估计及其迭代极限．
In this paper, we deal with the convergence order and iterative limit when thederivative approximating fUnction of nonproduct Bernstein polynomial is defined on a trianglefield.
关键词
导数
逼近
收敛阶
伯恩斯坦多项式
三角形
Bernstein polynomial I derivative
approximation 1 convergence order
iterativelimit.
