查询词典 density matrix

First, a new explicit parametric solution of the matrix equation is proposed. Second, an existing solution of this matrix equation is extended.

首先给出了该矩阵方程的一种新的显式参数通解，其次对该矩阵方程已有的一类显式参数解进行了推广。

3 Note: The matrix represented in Figure 3 is different than the transformation matrix represented in the Flash documentation.

注意：图3中矩阵的表示和Flash文档中的变换矩阵有些不同。

MATLAB,"Matrix lab," It was based on the matrix of the basic computing unit.

MATLAB，即"矩阵实验室"，它是以矩阵为基本运算单元。

MATLAB,"Matrix lab," It was bassed on the matrix of the basic computing unit.

MATLAB，即"矩阵实验室"，它是以矩阵为基本运算单元。

The processor (50) generates partial matrix H2 as a unit matrix.

处理器(50)把子阵H2产生为单位矩阵。

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。

For the first-order ordinary differential equation system, the coefficient matrix of variables with derivative is decomposed into the triangular factor form and transformed into unit matrix.

对于一阶常微分方程组，将具有导数变量的系数矩阵作三角化分解，使其简化成单位矩阵。

The decomposition of the eigenspace of the defective matrix and the general form of Jordan chain ;2. The general form of the maximal Jordan chain s of the defective matrix is getten with the notation of depths of the generalized eigenvectors.

利用广义特征向量的深度，获得极大若当链的一般形式，并推导出在满足PJP-1=SJS-1的2个可逆矩阵P和S之间存在一个主对角线上具有上三角分块Toeplitz子阵的可逆矩阵H，使得S=PH，从而证明广义特征矩阵的唯一性。

RBF neural networks ; the number of hidden nodes ; similar matrix ; the method of maximal matrix element

RBF神经网络；隐层节点数；相似矩阵；最大矩阵元法

In this paper,the new method is presented to determine the number of hidden nodes of RBF neural networks,it makes use of the whole inputting and outputting information of training samples to establish similar matrix of samples,then to determine the number of hidden nodes of RBF neural networks by maximal matrix element method.

利用训练样本输入输出全部信息建立样本间的相似矩阵，然后采用最大矩阵元法来确定RBF神经网络隐层节点数。

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。