对于非奇异单圈混合图，范益政给出了其最小特征值所对应特征向量的一个很好结构性质。
In the case of being a unicyclic mixed graph, Fan Yi-Zheng gives a remarkable result on the structure of the eigenvectors corresponding to its smallest eigenvalue.
讨论了矩阵乘积ab与BA的特征值、特征向量及秩等的关系，并得到了矩阵的奇异值分解。
The relationship between the eigenvalue, eigenvector and the rank of the product of matrices AB and BA is discussed, and the factorization of the singular values of matrix a is obtained.
该方法首先对地球物理和地球化学等网格数据进行二维矩阵的奇异值分解，之后用左特征向量矩阵与右特征向量矩阵的直积构造一个正交完备基。
The MSVD method constructs a self-contained orthogonal basis using the outer product of left and right eigenvector matrixes decomposed from 2D geochemical or geophysical maps.
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