查询词典 rectangular matrix

Matrix decomposition meams the summation of dividing matrix into several pieces of matrix or product, it is the important in which solved method of some linear algebras problem, its research is significant.

摘要矩阵分解是将一矩阵分解为若干个矩阵的和或乘积的形式，它是解决某些线性代数问题的重要方法，它的研究具有重大的意义。

The model of layout and design for product platform is established which including the layout matrix for product series, the function module matrix and the structure module matrix.

建立了产品平台规划与设计模型，该模型包括产品系列规划矩阵、功能模块矩阵及结构模块矩阵。

To do so, Neo re-enters the Matrix. In his search for truth, he visits the Oracle the late Gloria Foster (news, protected by the fighter Seraph; rescues the Keymaker, who knows the system's weakness; encounters new foes in Merovingian, a Matrix political heavyweight, his duplicitous trophy wife, Persephone Monica Bellucci (news, and the Twins (English black-belt brothers Neil and Adrian Rayment), a silver-clad albino duo in dreadlocks; and finally encounters the Architect, the godlike creator of the Matrix.

为了了解这个，neo返回了矩阵；在他寻求真相的过程中，他拜访了先知，被战斗天使所保护的；救了持有钥匙的人，他知道矩阵系统的弱点；遇到了新的角色Merovingian，矩阵的政治上很有实力的人；他的妻子Persephone和新的双胞胎，银色的衣服；最终将遭遇到技师，象神一样的矩阵制造者。

This invention relates to MIMO test method in a multi-user MIMO radio communication system including: estimating the channel matrixes of all users at the base station, computing an orthogonal projecting matrix M of the interference matrix of each user and transmitting M to each user periodically, receiving data sent by the base station at the user end and getting the orthogonal projecting matrix M from the received data, transforming the MIMO test of a desired user to the minimum value of a K-element secondary convex function, in which, K expresses the number of sending antennas and getting estimation of the test data by a ball test method.

一种多用户多输入多输出无线通信系统中的MIMO检测方法，包括步骤：在基站估计所有用户的信道矩阵；计算每个用户的干扰用户矩阵的正交投影矩阵M，并将每个用户的正交投影矩阵M定期发送给每个用户；在用户端接收基站发送的数据，并从接收的数据中得到正交投影矩阵M；利用正交投影矩阵M将期望用户的MIMO检测转化为K元二次凸函数的极小值，其中K表示对期望用户而言，发送天线的个数；利用球检测的方法，得到检测数据的估计。

FMA decreases the computation complexity from O to O by decomposing the dense matrix in Moment Method into the combination form of four sparse matrix—Near interaction, Aggregation, Translation and Deaggregation matrix.

本文严格推导了二维和三维快速多极算法的各步骤，并根据其稀疏矩阵形式，讨论了该算法的计算量和存储量；提出了获得该算法众多参数选取规则的新途径，在理论上丰富和发展了该方法。

Means of non -singular determinant is not equal to 0, the matrix must be non - degenerate square matrix is full rank is, the matrix is not necessarily ...

非奇异的意思是行列式不等于0，矩阵一定是方阵非退化是矩阵是满秩的，矩阵不一定是。。。

In chapter three, in order to distinct N 0?matrices that defined by deferent references, we will use the following notions. A matrix is called N_0~2-matrix if the matrix is nonpositive and its all-principal minors are nonpositive.

不可约矩阵Perron余的Perron向量同原矩阵Perron向量有着继承性，另外非负矩阵的Perron余也可用于Perron根的估计，因此非负矩阵的Perron余的研究有着重要的理论价值。

To avoid the SSS problem, a nonsingular within-class scatter matrix is constructed directly using the original two dimensional image matrix, and DLDA method is used to obtaining the feature matrix in this new algorithm.

该算法在克服小样本问题的同时，不会丢失图像中的有用信息，而且可以避免采用奇异值分解导致的无法精确计算特征向量的问题。

To solve the second problem, an approach of irregular QC LDFC codes is proposed. The proposed approach is to replace some sub-matrices by zero matrices and identity matrices at special positions in the given sparse parity-check matrix so as to get a nonsingular square matrix for the construction of the generator matrix.

为解决第二个问题，提出一种不规则准循环LDPC码的设计方法，该方法将校验矩阵中的特定位置的子矩阵用零矩阵和循环矩阵置换，获得一非奇异方阵，用于构造生成矩阵。

Criterions of partial stable matrix and normal form of partial positive definete matrix are given, some conditions of solvability and uniqueness of Lyapunov matrix equation are discussed.

给出了部分稳定矩阵的几种判据与部分位正定矩阵的标准型，研究了矩阵方程可解性、唯一性的几种条件，提出一些可供进一步研究的问题。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。