polynomial approximation

Uniqueness of analytic functions in weighted Hardy space and weighted exponential polynomial approximation in many variables

加权Hardy空间中解析函数的唯一性及多元指数多项式的加权逼近

A polynomial approximation algorithm is proposed in this paper with its worst-case performance ratio R ∞≤ 2 75.

本文提出一个多项式近似算法，其渐近性能比R∞≤2－75。

This result can be combined with subdivision method to obtain a piecewise interval polynomial approximation for a rational surface.

这一结果可以与细分技术相结合，得到有理曲面的分片区间多项式的逼近。

Polynomial Approximation on the Mixed Norm Space in the Unit Ball of C n

单位球上混合模空间多项式逼近

This design dispenses with ROM which mainly limits the converting speed of DDS, but uses SIN function polynomial approximation directly generating digital SIN wave.

利用正弦多项式近似直接产生数字正弦波，而无需限制相幅转化速度的ROM.。

Piecewise polynomial Approximation of Rational Curves and Surfaces

有理曲线和曲面的分片多项式逼近