在分析中,使用了矩阵条件数概念。
In the analysis, the concept of condition number of matrix is used.
QR分解可以改善矩阵条件数,从而提高数值稳定性。
QR decomposition can improve the condition number of a matrix and then improve the numerical stability.
本文还提出降低矩阵元素值大小和矩阵条件数的两种方法。
Two approaches to reduce the element value and condition number of matrix are proposed.
同时,在信号自相关矩阵条件数不好时,该算法仍然可以进行信号的谱估计。
With bad matrix condition number, the proposed algorithm can also be used for the spectral estimation.
在运行高斯算法求解线性系统过程中,矩阵条件数是导致求解误差偏大的一个因素。
Condition number of matrix is a main root to result in large error in solution during the running of Gaussian algorithm.
利用矩阵条件数对方程求解的稳定性进行了讨论,推导出理论上的折射角和小角散射宽度的最大值。
The stability of the reconstruction procedure is discussed using the condition number of matrix, and the theoretical maxima of the refraction angle and USAXS distribution width are given.
常规散射特性计算方法如矩量法中的广义阻抗矩阵在谐振频率点上条件数过大,导致计算不准确。
The regular numerical algorithm is MOM, whose general impedance matrix has a large condition number at the resonance frequency points, which brings an inaccurate result.
调整矩阵的比例就改变了下面定义的条件数。
The condition number, defined below, is changed by scaling the matrix.
以敏感矩阵的条件数为原则,对圆形线圈的配置进行了研究。
Circular coil's configuration was studied on the basis of the condition number of the sensitive matrix.
用直接斜率法进行波前重构,采用最小二乘解,并用波前重构矩阵的条件数作为其病态程度的判据。
Zonal wavefront reconstructing model is adopted, the least squares solution is applied, and the condition number of wavefront reconstruction matrix is used to estimate how its morbidity is.
根据平衡矩阵的条件数和刚度矩阵的条件数与最小特征值,评价基本单元的结构特征。
The structural performances are evaluated from the condition number (CN) of equilibrium matrix, and CN and minimum eigenvalue of stiffness matrix.
研究了一类线性方程组系数矩阵的红黑排序方法,以及由红黑排序矩阵导出的舒尔补矩阵的条件数。
The red and black ordering method about the coefficient matrix of a class of linear equations and the condition number of schur complement matrix deduced from red and black matrix are studied.
研究了一类线性方程组系数矩阵的红黑排序方法,以及由红黑排序矩阵导出的舒尔补矩阵的条件数。
The red and black ordering method about the coefficient matrix of a class of linear equations and the condition number of schur complement matrix deduced from red and black matrix are studied.
应用推荐