查询词典 matrix

When I is a two-dimensional matrix, then I is the intensity value at the position corresponding to row r and column c of the matrix.

设I是一个二维矩阵，则I就代表行r列c点的光强值。

The matrix contains a row for each cause and effect. Each column of the matrix containing 0's, 1's and blanks specifies a test case which is a combination of the causes and effects.

该矩阵中，每一行由原因和结果组成，而每一列则是由一些0、1或者空位组成，它们对应着由一系列原因和结果组合而来的测试用例。

The ID of each zone in the selection set must be included in both the row and column IDs of the impedance matrix and the base year P-A matrix.

选择集中小区对的ID必须包括在阻抗矩阵和基年PA矩阵的行列Ids中。

The matrix contains a row for each cause and effect. Each column of the matrix contains 0's, 1's and blanks specifies a test case which is a combination of the causes and effects. www.Syue.com

矩阵中，每一行由原因和结果组成，而每一列则是由一些0、1或者空位组成，它们对应着由一系列原因和结果组合而成的测试用例。

This article presented a new fast algorithm of Moore-Penrose inverse for an m×n symmetric Loewner-type matrix with full column rank by forming a special block matrix and studied its inverse. Its computation complexity was O+O(n^2), but it was O(mn^2)+O(n^3) by using L(superscript +)=L(superscript TL^(-1)L.

论文通过构造特殊分块矩阵并研究其逆矩阵，给出了秩为n的m×n对称Loewner矩阵Moore-Penrose逆的快速算法，该算法的计算复杂度为O+O(n^2)，而通过L=L(上标 TL^(-1)L计算的复杂度为O(mn^2)+O(n^3)。

Then,a new fast algorithm of the minimal norm least squares solution for linear system whose coefficients is an m×n symmetric Loewner matrix with full column rank is given by forming a special block matrix and researching the triangular factorization of its inverse.

对于工程计算中常常遇到的一类线性方程组的求解，通过构造特殊分块矩阵并研究其逆矩阵的三角分解，给出了求秩为n的m×n阶对称Loewner矩阵为系数阵的线性方程组，及极小范数最小二乘解的快速算法，该算法的计算复杂度为O+O(n2)，而一般方法的计算复杂度为O(mn2)+O(n3)。

In Chapter three, by constructing a special partitioned matrix and studying the fast triangular factorization of its inverse matrix, we respectively give fast algorithms for the minimal norm least squares solutions of linear equations which coefficient matrices are n×m Toeplitz type matrices and Vandermonde-Loewner type matrices with full column rank.

第三章通过构造特殊分块矩阵并研究其逆矩阵的快速三角分解，分别给出了求以秩为m的n×m阶Toeplitz型矩阵和Vandermonde-Loewner型矩阵为系数阵的线性方程组极小范数最小二乘解的快速算法，并通过算例将新算法与已有的法方程组的方法和正交化方法作了比较。

Fast algorithm of minimal norm least square solution for Cauchy linear system;2. For the m×n Cauchy-type matrix with full column rank,the fast algorithm of the minimal norm least square solution to the linear system Cx=b was obtained by construction of a special block matrix and study of the triangular decomposition.

对于秩为n的m×n阶Cauchy型矩阵C，通过构造特殊分块矩阵并研究其三角分解，进而得到了线性方程组C x=b的极小范数最小二乘解的快速算法，所需运算量为O+O(n2)，而通常构造法方程组的方法所需运算量为O(m n2)+O(n3)，用正交化法虽然避免了构造法方程组，但所需的运算量更大些。

Any sequence of operations can be combined into a single matrix using matrix multiplication.

任何操作序列可以组合成一个单一的使用矩阵乘法矩阵。

Then feature extraction to the combined feature matrix is done by 2DFLD,and a fused feature matrix is constructed.

同时，利用2DFLD算法对组合特征矩阵进行融合，获得了人脸与虹膜的融合特征。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。