| 1. | Completely positive matrices having cyclic graphs
图是圈的完全正矩阵 |
| 2. | A survey on completely positive matrices
有关完全正定阵的综述 |
| 3. | An inequality about positive matrix
一个关于正定矩阵的不等式 |
| 4. | The related results of the definite positive matrices are extended
推广了关于半正定矩阵的相应结果。 |
| 5. | Perturbation analysis on symmetric indefinite and generalized semi - positive matrices
关于对称不定和广义半正定矩阵的扰动分析 |
| 6. | ( 3 ) we solve the model of portfolio by using evolutionary programming under the condition of the covariance matrix which is a non - positive matrix , design the methods which can solve markowitz ' s model and multifactor portfolio model . and we improve on markowitz ' s model , establish the optimal model under the conditions that the investor is risk - avoid or risk - like
此外，本文对均值?方差模型进行了改进，得出了投资者为风险偏好或风险厌恶时的资产组合模型，设计了相应的进化规划算法，给出了算例，并比较了各模型的差异，分析了改进模型的意义。 |
| 7. | The relation between some special matrices and its squares are discussed , in the sense of the star partial ordering , the minus partial ordering and lower partial ordering , the related results of the definite positive matrices are extended , some related results on the general matrices are obtained
研究矩阵及其平方矩阵偏序之间的关系，解决了j . k . baksalary和f . pukesheim提出的公开问题，并推广到更一般的情形，对于一般矩阵同时得到了若干新结果，推广了关于(半)正定矩阵的相应结果。 |
| 8. | Linear matrix inequality was introduced to cope with the puzzle of determining common positive matrix . theory of stability analysis and controller design was established based on lmi method . ( 3 ) nonlinear fuzzy p redictive c ontrol t heory b ased on t - s s tate s pace m odel was explored
针对稳定性分析中公共正定矩阵p难以确定的难题，引入了lmi方法，借助于成熟的数学工具，不仅解决了确定公共正定矩阵p的问题，而且建立了基于lmi方法的稳定性分析和控制器设计的理论方法。 |
