矩阵的矩阵

Calculation of power system matrix inversion procedure for the formation of nodal admittance matrix.

详细说明：电力系统计算中的矩阵求逆程序，用以形成节点导纳矩阵。

Moreover, it processes only a single snapshot data with no use for the formation of the sample covariance matrix and matrix inversion operation.

同时，它只对单快拍数据进行处理，避免了样本协方差矩阵的构造以及矩阵求逆运算，更适合于实时处理。

The transfer matrix is expanded in Taylor Series near the central frequency.

在中心频率附近将传输矩阵各矩阵元采用泰勒级数展开并取一级近似，得到了缺陷模频率与介质层厚的关系式及品质因子公式。

Sparse Matrix Arithmetic Unit for matrix multiplication, addition and subtraction, multiplication, when used during logic lines.

详细说明：稀疏矩阵运算器进行矩阵的加减乘法，在进行乘法时用到行逻辑。

Some sufficient and necessary conditions of the full symmetric real matrix is full definite matrix are discussed.

讨论了全对称实矩阵是全正定矩阵的几个充分必要条件。

Introduction of Probability, Schrodinger Equation, Uncertainty Principle, One Dimensional Quantum Systems, Linear Space and Matrices, Diagonalization of Matrices, Eigenvalues and Eigenvectors, Similarity Transformation, Central Field Systems, Helium Atoms, Angular Momentum.

量子力学( S0310)(3，0)机率简介、薛丁格方程式、测不准原理、一维量子系统、线性空间及矩阵、矩阵的对角化、本徵值及本徵向量、相似变换、中心场系统、氢原子系统、角动量。

Orthogonal linear dispersive space time code constructs orthogonal base vector set of base matrix setwith orthogonal column vectors of a orthogonal matrix.

正交线性空时弥散码运用正交矩阵的列矢量构造空时正交调制基矢量或者基矩阵。

Based on the relationship between matrix and symmetric matrix global exponential stability of the discrete-time neural networks model and the result of exponential convergence rate were obtained by using the characteristics of eigenvalues of a positive definite matrix and introducing a proper factor.

针对带有边界约束的凸二次规划问题，利用离散神经网络模型的建模原理，构造了一个神经网络模型。利用矩阵与对称矩阵的关系和正定矩阵特征值的性质，通过引入一个适当的因子，得到了该离散型神经网络模型是全局指数稳定性和指数收敛率的结果。同时分析了该结果的优越性和存在的不足，提出了解决的3种方法，最后给出了实例说明本方法取得结果的实用性

An aggregation approach to the incomplete interval reciprocal comparison matrix and the interval complementary comparison matrix is analysed.

分析了群决策过程中不完全区间数互反判断矩阵和不完全区间数互补判断矩阵的集成方法。

Taking the active network as a research task, the input accessibility, the Coates graph of matrix and graph transmission etc are used to analyze the relation between reducibility of the coefficient matrix of the state equation and the electric separability of the network or the electric accessibility of the network for the first time, acquiring sufficient and necessary conditions that coefficient matrix of the state equation is reducible. Network Graph Theory, Matrix Theory and System Theory over F etc are used to derive the structural controllability criterion of the passive network over F for the first time. Then according to these theoretic results, the structural controllability problems of the active network over F are studied, acquiring several structural controllability conclusions of the active network.

率先将状态方程的输入可达、矩阵的Coates图、流图传输系数等概念和方法引入到对F上有源电网络的研究，研究了网络状态方程的系数矩阵的可约性与网络电气可断性或电气可达之间的关系，研究了F上有源电网络的能控性问题，获得了状态方程的系数矩阵可约的充分必要条件、F上有源电网络系统的结构能控性判据等新的结论。

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％。