《一类可以对角化的矩阵》一文的进一步研究结果
Further results on article of a class of matrices that can be diagonalized
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摘要: 利用矩阵特征值与其行列式的关系及矩阵的奇异值、张量积、张量和等概念和理论，用另一种方法证明了文献[1]的定理2，研究了适合条件A*=A2的矩阵A的奇异值分解式及行列式，给出了适于这一条件的两个矩阵A与B的张量积也满足条件（A⊗B）*=（A⊗B）2的一些基本结果，以及A*与A的特征值、特征向量之间的关系、矩阵A的谱分解式等.Abstract: By utilizing the concepts and theories of singular value,tensor product,tensor sum and the connection of eigenvalue with determinant of matrices,another proof on theorem 2 in literature[1] was given,the singular value and spectral decomposition and the determinant of the matrix suited to A*=A2 were investigated,the conclusions were also obtained:(A⊗B)*=(A⊗B)2 on tensor product about two matrices A and B which satisfied the above condition,the relationship of eigenvalues of A* with A,the relationship between eigenvectors,and spectral decomposition formular of the matrice A.
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