查询词典 polynomials

Let Un the Chebyshev polynomials of the second kind and the associated functions In this paper we discuss the approximations of the partial sums for the biorthogonal series based on and the corresponding conjugate series.

记Un是第二类Chebyshev多项式，伴随函数，这里讨论基于的双正交级数和其共轭级数的部分和逼近问题。

We consider the cubic Hermite-Pade approximation and give the contour integral representations of coefficient polynomials.

研究了三次Hermite-Pade逼近系数多项式的围道积分表示，利用鞍点法得到了这些多项式的渐近估计。

In the third chapter, we study the approximation and weighted approximation for a kind of generalized Baskakov operators of two-variable. Using different weight functions, we discuss the convergence on weighted space of polynomials and rate of convergence with Jacobi weight for this kind of two-dimensional product-type operators, which extends the results of one-dimensional operators.

第三章研究一类二元广义Baskakov算子的逼近及其加权逼近，主要针对于不同的权函数讨论了这类乘积型的二元算子及其导数在多项式权空间上的收敛性和加Jacobi权的收敛阶，把一元的结果推广到多元的情形。

For an uncertain system described by convex combination of interval polynomials, its Hurwitz-stability can be guaranteed by certain subset composed of vertices and edges.

对于由区间多项式的凸组合描述的不确定系统，它的Hurwitz稳定性可由某个仅由顶点和棱边构成的子集来保证，且此集合的大小与系统的维数无

The realization of convolution and matlab can be used for digital signal processing and multiply polynomials.

详细说明：卷积和matlab实现，可以用于数字信号处理和多项式相乘。

Result Obtained formulas of curved surface of second degree simplified with some conclusion related of polynomials factor decomposition.

结果 得出了二次曲面简化的公式和某些多项式因式分解的相关结论。

As to cyclic codes over finite chain rings, we study their stucture and develop the Fourier Transform method to finite chain rings. The permutation groups of cyclic codes and their extended codes are investigated using their Mattson-Solomn polynomials.

对于有限链环上的循环码，我们研究了它们的结构，并把傅立叶变换的方法推广到有限链环，用循环码的Mattson-Solomn多项式对循环码及其扩展码的置换群进行了研究。

The permutation groups of cyclic codes and their extended codes are investigated using their Mattson-Solomn polynomials. SDq codes over finite fields are byte-organized and they can correct any single error and dete

有限域上的SD_q码是一类按字节组织的，能纠正发生的所有单个错误，同时能检测发生在同一字节内的两个相邻错误的纠错码；我们对有限域F_q上SD_q码的线对界在q＞3，b＞2时给出了一个改进界。

By using unified method , we investigate decomposability of real or complex cubic polynomials in several elements .

这里，本文将运用统一的方法对实数域和复数域上的多元三次多项式的分解问题加以讨论。

This thesis summarizes the main points of the decomposition method: the principle, the Adomian polynomials, the convergence results, the noise terms and the partial solution technique.

本文概述了分解方法的主要方面，包括基本原理，Adomian多项式，收敛性分析，噪声现象以及部分解技术等。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。