三角形上Bernstein多项式的导数逼近

The Derivative Approximation by Bernstein Polynomialon a Triangle Field

中文关键词:  Bernstein多项式  导数  逼近  收敛阶  迭代极限

英文关键词:Bernstein polynomial I derivative  approximation 1 convergence order  iterativelimit.

中文摘要:

      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．

英文摘要:

      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.