多项式

The multi point-fitting criterion model is built based on n-rank polynomials and orthogonal function least squares fitting criterion.

用n次多项式与基于正交函数的最小二乘拟合法，分别建立多点拟合模型。

In order to probe into the properties of frequency spectrum for a group of parametric curves, a class of orthogonal complete piecewise k-degree polynomials in L 2[0,1],called U-system, is introduced.

为了探索参数曲线图组的频谱性质，引进一类属于L2[0，1]的正交完备分片k次多项式系统。

A new long-term-effective HPD method in short named I-TI-IPDCS is devised to solve non-homogeneous linear autonomy system based on Chebyshev orthogonal polynomials series of the second kind and homogenized integration technique.

基于第二类Chebyshev多项式函数系的特点与齐次扩容技巧，设计了求解非齐次线性自治系统的一种新的长效精细算法。

As to nonparametric and semiparametric regression models, the most widely used regression methods include: local smoothness, including Nadaraya-Watson kernel estimate, Gasser-Muller estimate, local polynomial method; spline method(such as smoothing spline, spline penalies and so on); other is orthogonal series estimates, such as Fourier series and so on.

本文主要介绍Nadaraya-Watson核估计方法对非参数模型估计的思路和估计方法，变系数模型中函数系数的局部多项式估计，包括估计思路，估计计算。

A secure secret sharing shceme and a secret sharing shceme are proposed based on the orthogonal vectors and Lagrange interpolation ploynominal.

利用正交向量的特性以及拉格朗日插值多项式，提出一种门限秘密共享方案和一种(m+n， t1+t2)门限秘密共享方案。

Orthonormal basis in L2, Legendre polynomials, basis of trigonometric functions.

正交基在L2，勒让德多项式，三角函数的基础。

Popular multivariate visualization such as scatter plot matrix,parallel coordinates,star plot,Andrews plot have long history and widely application,but a united theoretical basis is absent up to now.

常用的多元数据可视化方法如散点图矩阵、平行坐标、雷达图、三角多项式图等具有悠久的历史和广泛的应用，但是长期以来缺乏统一的理论基础。

The characteristic of this computation is its powerful ability in parallelism,its huge storage and high energy efficiency.

只能通过不确定的算法在多项式时间内解决的问题称NP类。

A value of the curve parameter where the polynomial definition of the b-spline changes.

节点节点是b样条发生变化处的多项式定义点的曲线参数的值。

This problem of planar parametric polynomial curve of degree 3 had been discussed perfectly many years ago, making use of invariant of affine transformation.

关于三次代数多项式参数曲线的这一问题早已解决，然而所用的几何不变量方法对于非代数曲线失效。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。