Polynomial approximation method of canopy track for powered supports 液压支架梁端轨迹的多项式逼近方法
Variable parameter gradient estimation algorithm with local polynomial approximation 一类时变系统参数跟踪估计
Best polynomial approximation 最佳多项式逼近
In the third chapter , interval polynomial approximation of rational curves is introduced 第三章主要介绍了有理曲线的区间多项式逼近。
The image inverse filtering with polynomial approximation and the image recovery in spatially variant systems 用多项式近似的图象逆滤波及空间移变系统图象的恢复
Uniqueness of analytic functions in weighted hardy space and weighted exponential polynomial approximation in many variables 空间中解析函数的唯一性及多元指数多项式的加权逼近
However , due to the complex of computation and the need of the design , sometime we need to use polynomial approximation for a rational curves and surfaces 然而由于计算的复杂性和设计的需要,有时我们还需要用多项式函数来逼近有理曲线和曲面。
In this paper , we survey the development of polynomial approximation of rational curves ( surfaces ) and state the knowledge of interval curves ( surfaces ) in the first chapter 本论文中,第一章首先介绍了有理曲线曲面的多项式逼近研究工作的发展情况和区间曲线曲面一些相关知识。
Up to now , most of the known upper bounds are asymptotic , and there is no polynomial approximation algorithm except , cor planar graphs which have a 2 - approximation algorithm 由于该问题的难度较大,近年来许多学者致力于研究其多项式可解的情形及上下界的确定。遗憾的是,到目前为止,仍未发现有效算法。
Firstly , a weak formulation of this problem is derived . the existence , uniqueness and regularity of its solution are discussed . next , the mixed legendre - hermite polynomial approximation in non - isotropic sobolev space is proposed 首先,我们在第二章中讨论无穷带状区域上热传导方程的弱形式及其解的存在性,唯一性和正则性,这种弱形式适合于数值计算。