Polynomial approximation method of canopy track for powered supports 液壓支架梁端軌跡的多項(xiàng)式逼近方法
Variable parameter gradient estimation algorithm with local polynomial approximation 一類時(shí)變系統(tǒng)參數(shù)跟蹤估計(jì)
Best polynomial approximation 最佳多項(xiàng)式逼近
In the third chapter , interval polynomial approximation of rational curves is introduced 第三章主要介紹了有理曲線的區(qū)間多項(xiàng)式逼近。
The image inverse filtering with polynomial approximation and the image recovery in spatially variant systems 用多項(xiàng)式近似的圖象逆濾波及空間移變系統(tǒng)圖象的恢復(fù)
Uniqueness of analytic functions in weighted hardy space and weighted exponential polynomial approximation in many variables 空間中解析函數(shù)的唯一性及多元指數(shù)多項(xiàng)式的加權(quán)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 然而由于計(jì)算的復(fù)雜性和設(shè)計(jì)的需要,有時(shí)我們還需要用多項(xiàng)式函數(shù)來(lái)逼近有理曲線和曲面。
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 本論文中,第一章首先介紹了有理曲線曲面的多項(xiàng)式逼近研究工作的發(fā)展情況和區(qū)間曲線曲面一些相關(guān)知識(shí)。
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 由于該問(wèn)題的難度較大,近年來(lái)許多學(xué)者致力于研究其多項(xiàng)式可解的情形及上下界的確定。遺憾的是,到目前為止,仍未發(fā)現(xiàn)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,我們?cè)诘诙轮杏懻摕o(wú)窮帶狀區(qū)域上熱傳導(dǎo)方程的弱形式及其解的存在性,唯一性和正則性,這種弱形式適合于數(shù)值計(jì)算。