查询词典 rectangular matrix

The tolerance analysis on a matrix is highly complicated and has been widely discussed in recent years, especially on a positive reciprocal matrix for an evaluation decision.

矩阵上的容忍度分析是十分的复杂，然而近几年来却是广泛的讨论，特别是在决策评估的成对倒数矩阵上。

They are different only in that the lower right block is different, one is zero matrix, the other is nonzero symmetric positive semidefinite matrix.

论文中应用了两种离散鞍点问题的方法，一种是低阶混合协调有限元方法，另一种是M.A.C格式的有限差分法。

Based on the power series expansion of the general flexible matrix of the sub-system, a general expression of the dynamic stiffness matrix of the reduced model was derived from the exact expression of the reduced model for the direct substitution dynamic condensation methods. The general expression was also expressed as a power series of the unknown eigenvalues. After that, the validity and error of the Guyan condensation method were analyzed.

对于动力缩聚直接代入法，本文从降阶模型的精确表达式出发，利用子系统广义柔度矩阵的幂级数展开式，导出了降阶模型动刚度矩阵的一般表达，并把它表示为未知特征值的幂级数形式，在此基础上对 Guyan缩聚法的适用范围和误差进行了一般分析。

Based on introducing the conceptions of linguistic judgment matrix and its satisfying consistency, a judgment method is presented to judge whether the linguistic judgment matrix with exacting preference relation has satisfying consistency.

但由于判断事物的模糊性和不确定性，判断矩阵中的元素有时无法用确定的数值表示，而采用自然语言短语表示则更为方便[1]。

During the ordinary modeling process of first order hydraulic system, some principal diagonal elements of mass matrix were zero, and the stiffness matrix was nonsymmetrical.

建立以界面信息形式表达的一阶液压均衡系统动力学方程，同时利用卷扬系统动力学方程，首次建立机械卷扬-液压均衡子系统动态耦合的数学模型。

Inclusion-matrix interfacial debonding is one of the principal damage mechanisms in brittle matrix composites.

夹杂－基体界面脱粘是脆性基体复合材料在拉伸载荷下的主要损伤机制之一。

This dissertation mainly discussed principal issues of the matrix converter such as realization and application. By the theoretical analysis, computer simulation and experimental investigation, some valuable experiences and significant conclusions were given, which found the technological basis for the matrix converters further practical studies.

本文的研究重点放在了矩阵变换器的应用方式的研究上，通过理论分析、计算机仿真和实验验证得出了一些有意义的经验和结论，为矩阵变换器进一步的实用化研究提供了一定的技术基础。

Determinant Research Method is one of the effective methods for calculating the generalized eigenvalues and corresponding eigenvectors of a large sparse matrix. Its theoretical foundation is that for a symmetric matrix the leading principal minors of the eigenmatrix form a Sturm Sequence.

"行列式查找法"是计算大型稀疏矩阵广义特征值和特征向量的有效方法之一，其理论基础是对称矩阵的各阶顺序主子阵的特征行列式形成Sturm序列。

The effect of background was corrected by matrix match and the interferences of matrix and principal elements on spectra were elminated by establishing mathematical model with the software of the instrument.

采用基体匹配法克服基体效应影响，利用仪器软件建立数学模型消除主量元素的光谱干扰。

In Laplace space, the exact element stiffness matrix of the axial, torsional and bending vibrations of cone-shaped and symmetrical closed thin-walled bars are derived. By use of variation principle, the element stiffness matrix of the coupling vibrations of an asymmetrical closed thin-walled bar is also given.

在拉氏空间中导出了锥形杆件和对称闭口薄壁杆件的轴向、扭转和弯曲振动的精确单元刚度矩阵，应用变分原理也给出了非对称闭口薄壁杆件耦联振动的单元刚度矩阵。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。