1) minimum rank method
最小秩方法
1.
The existing problem of the structural damage identification based on the minimum rank method was studied.
针对结构损伤识别中的最小秩方法存在的问题,经过研究发现,对测试模态进行关于质量矩阵的正交归一化可保证反演后刚度矩阵的对称性;提出了一种迭代修正算法,可保持反演结果的稀疏性;基于模态力余量,定义了一种损伤指标来预先判定结构损伤单元的位置,并可据此选取合适的测试模态阶数进行反演计算。
2) minimal rank
最小秩
1.
In this paper,we give several properties of the minimal rank of matrices over any number field and characterize linear mapping of keeping the minimal rank.
本文给出任意数域上n×n阵的最小秩的几个性质,并且刻画保最小秩的线性映射。
2.
In this paper,the properties of the srew-idempotent matrix are presented by using the minimal rank of the complement Schur.
利用广义Schur补D-CA-B的最小秩给出斜幂等矩阵的一些性质。
3.
In the paper the maximal and the minimal rank of the matrix expression G+H-G(A+B)H are given by applying the rank of the generalized Schur complement of the matrix,where G,H are respectively the generalized inverse or weight generalized inverse of the matrix A,B.
利用矩阵的广义Schur补的秩给出矩阵表达式G+H-G(A+B)H的最大最小秩,其中G,H分别为矩阵A和B的广义逆,进而给出A,B关于广义逆的吸收律成立的等价条件。
3) minimal rank solution
最小秩解
1.
In addition,for the minimal rank solution set,the expression of the optimal approximation solution to a given matrix is derived.
另外,给出了中心对称最小秩解集合中与给定矩阵的最佳逼近解。
4) least squares method
最小平方法
1.
we studied the inversion of P wave traveltimes by the least squares method or by semblance search in a single layer media with vertical transverse isotropy in this paper.
作者在均匀 VTI单层介质中以 P波为例 ,用最小平方法的曲线拟合和相似系数搜根法进行旅行时反演。
5) minimal variance
最小方差法
6) Least Variance Method
最小方差法
1.
Based on the Theory of Portfolio Hedging and the Least Variance Method,this paper analyzes the hedging effects of five China unified benchmark indexes empirically,such as Xinfu A200,Hushen 300,Zhongbiao 300,Xinfu A600 and Daozhong 600,using Zhongbiao 50 and Daozhong 88 to simulate the stock market portfolio.
根据组合投资套期保值理论,运用最小方差法,以中标50和道中88指数模拟现货股票投资组合进行的实证分析表明:五只我国统一市场基准指数新富A200、沪深300、中标300、新富A600和道中600中套期保值效果,最佳的是新富A600。
补充资料：最小辐亮度与最小辐照度(见核爆炸火球)
最小辐亮度与最小辐照度(见核爆炸火球)
minimum-brightness and minimum-irradiance
zuixiao fuliangdu yu zuixiaofu乙haodu最小辐亮度与最小辐照度(minimum-brightness and而nimum一irradianee)见核爆炸火球。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条