查询词典 matrices

It investigates mainly the dualinvariant of λ- multiplier convergent series, the full invariant ofλ-multiplier convergent series, the λ- multiplier convergent series in spaceswith a basis, the compact sets in the infinite matrix topological algebras, thecharacteristics of have the same compact sets in different topologies,the weak sequentially completeness of , the characteristics ofSchur-matrices, the characteristics of p- uniform Toeplitz matrices and theEberlein-Smulian theorem in the locally convex spaces, etc.

主要研究了〓数乘收敛级数的对偶不变性，〓数乘收敛级数的全程不变性，有基空间中的〓数乘收敛级数，无穷矩阵拓扑代数〓中的紧集，〓在不同拓扑下具有相同紧集的刻划，〓的弱序列完备性，Schur—矩阵的刻划，p-一致Toeplitz矩阵的刻划以及局部凸空间上的Eberlein—Smulian定理等。

Several important relations are studied between the girth condition and the ACE (approximated cycle extrinsic message degree) spectrum of the QC-LDPC (quasi-cyclic low-density parity-check) codes, where the PCM (parity-check matrices) are defined by the base-matrix and expanded by the cyclic permutation matrices.

研究了基于置换阵的QC-LDPC码圈长分布、ACE分布与对应的基矩阵结构之间的关系。

In this paper, a new algorithm is proposed to compute the decomposition of these matrices so the split of the matrices becomes more direct and the initial decomposition can be achieved more quickly.

论文针对带状对称的Toeplitz矩阵，在已有算法的基础上提出一种新的分解方法，从而使矩阵化解和初始本征分解更为简洁迅速，并具有较高的并行度。

Some results related to invertible matrices over bounded distributive lattice are generalized to matrices over incline.

将有界分配格上可逆矩阵的有关结果推广到坡上的矩阵。

Geometry of matrices;;division ring;;block triangular matrices;;maximal sets of rank;;arithmetic distance;;adjacency preserving

论文导师黄礼平，论文学位硕士，论文专业应用数学论文单位长沙理工大学，点击次数 3，论文页数 41页File Size1325K

Calculating the equivalence class U/C and the discernibility matrices size are the two main factors which affect the efficiency of the attribute reduction algorithm based on discernibility matrices.

影响基于差别矩阵的属性约简算法效率的主要因素有计算U/C等价类和差别矩阵的大小。

This paper proposes s new method to construct wavelets decomposing and reconstructing matrices of wavelet coefficients without iterative calculation in symmetrical extension for finite length signal ,and correspondingly gives the base vectors and basis images of 9/7 wavelet. The matrices can be used for image-partition processing based on wavelet method.

给出了对称延拓方式下有限长信号不需逐级计算而直接得到小波系数的分解矩阵和由这些小波系数重构原信号的重构矩阵的构造方法，并给出了常用的相应于9/7小波的分解矩阵和重构矩阵及其基向量，它们可广泛用于基于小波的图像分块处理中。

The calculation algorithms of fundamental matrix and trifocal tensor from camera projection matrices are deduced in detail. These matrices are successfully applied to outlier detection and elimination of point and line observations.

本文系统阐述了两者的概念及其性质，详细推导了利用已知的投影矩阵计算基本矩阵及三视张量的具体方法，并成功应用于粗差点、直线段观测值的剔除。

In this paper, after introduction of the basic concepts, the main results on Geometry of Matrices and the developmental survey on Linear Preserver Problems, we characterize some important additive preserver maps by using the fundamental theorem of Geometry of Matrices.

本文在介绍了矩阵几何的基本概念、主要成果及线性保持问题的发展概况之后，应用矩阵几何刻划了几类重要的加法保持问题。

The aim of this paper is to study the generalized inverse of matrices on rings, the generalized inverse of morphism and partial ordering of matrices.

矩阵广义逆的研究包括环上矩阵的广义逆，范畴中态射的广义逆，广义逆矩阵的计算和广义逆矩阵的应用等。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。