讨论对称自正交相似矩阵的左右逆特征值及其最佳逼近问题,利用矩阵的奇异值分解（SVD）得到了其解集合SE的通式和逼近解的表达式.%In this paper, Left and right Inverse eigenvalue problem for symmetric and self-orthogonal similar matrices is discussed. By using the singular value decomposition, the general form of S^E and the expression of the optimal solution A are given.
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