查询词典 matrix

An Incidence Matrix is presented to mathematically describe the relationship between two tasks, and a search approach based on Incidence Matrix is given to find the critical path.

提出了一种从数学上描述任务关系的关联矩阵，分析了关联矩阵的性质和其描述多任务的特点，并给出了基于关联矩阵的搜索关键路径的方法。

By analyzing the incidence matrix of chain structure model and tree structure model, incidence matrix was obtained, then topology information of basic network structures could be reflected.

通过对网络的链状和树状基本结构关联矩阵的分析，认为关联矩阵可以完全反映网络基本结构的拓扑信息。

The paper introduces the transfer matrix to analyze the deadlock problem in Web service combination,and adopt incidence matrix to ensure the accessibility of combination.

采用转移矩阵方法来分析Web服务组合中存在的死锁问题，并采用关联矩阵的方法确认组合的可达性。

A new graph theory methodology is presented for analysis of the unsteady flows in open channel network, including the structure and characteristics of the incidence matrix A, continuity equation and energy equation with matrix A.

提出了新的渠网非恒定流图论原理，包括适应渠网非恒定流特征的节支关联矩阵A的构建方法及性质分析，基于A的节点连续性矩阵方程和节点水深矩阵方程等。

Topology information of network structure was also ohtained through converting an incidence matrix into standard triangular matrix.

网络关联矩阵经过矩阵变换形成三角矩阵，可以反映网络拓扑结构；对三角矩阵进行分级和分解运算，可以提取网络的拓扑信息。

Adopt incidence matrix to express network topology. Through searching and revising the incidence matrix, the zoned feeder and its network equivalent process are realized.

采用邻接矩阵表示网络拓扑，通过对邻接矩阵的搜索和修改实现馈线的分区以及网络的等值过程。

In chapter 4, the incorrectness of two results in the paper "Disk theory for tensor product of matrix" and the book "spectral theory of matrix" is shown and the cause of these mistakes is pointed out.

第四章讨论了矩阵张量积的谱分布性质，指出了"矩阵张量积的圆盘理论"一文中的两个错误，给出了反例，并分析了产生错误的原因。

Our work on the problem of robust controller design for linear time-delay systems with nonlinear uncertain parameters are mainly concerned about thefollowing three aspects:Firstly, based on Lyapunov theory and using linear matrix inequation method, we put forward a plan to design the state feedback controller of the system with high structured uncertainty and matrix polytope structured uncertainty.

第三，在非结构不确定性假设下，基于系统的解和Bellman-Gronwall不等式，得出这类系统鲁棒稳定的充分条件。

Design method of the electromechanical actuator controller based on the robust mixed H2/H* control theory is studied, taking advantage of the priority of the linear matrix inequation in solving the problems of the multiobject control, the robust mixed H2/H* control problem of the electromechanical actuator under the condition of parameter perturbation and external disturbance can be transformed to the solving of the linear matrix inequation.

研究了基于鲁棒H_2／H_∞混合控制理论的电动舵机的控制器设计方法，利用线性矩阵不等式在多目标综合控制问题求解方面的优势，将存在参数摄动及外部扰动时的电动舵机的鲁棒H_2／H_∞混合控制问题转化为线性矩阵不等式问西北工业大学博士学位论文题并进行求解。

It is an infinite Toeplitz matrix under the matrix of their linear combination in one basis.

它们的线性组合在某组基下的矩阵为无限阶三对角Toeplitz矩阵。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。