The isospectral flows method for solving inverse the eigenvalues problem and its lie group method are studied in this paper, while the corresponding lie group is orthogonalgroup.
研究了解特征值反问题的等谱流方法及其李群算法，我们取的李群是正交群。
2
The concepts concerned with the sub orthogonality of the vector, the sub orthogonal vector group, etc.
给出了向量的次正交与次正交向量组等有关概念及性质。
3
The transmitted signals which were modulated is a group of orthogonal sine signals as subcarrier and non-regular zero square waves that the code elements period is t as baseband coded formats.