对角线元为数量幂等矩阵的上三角矩阵及其应用
On Upper Triangular Matrix with All Diagonal Elements as Scalar-Idempotent Matrix and Its Application
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摘要: 设 Hs (s ≥2)是对角线元为数量幂等矩阵的上三角矩阵,利用矩阵理论方法,研究并得到了上三角矩阵 Hs 的一些数量幂等性质。作为应用,利用 H 2的标准形,讨论了 H 2的{1,3}逆存在的条件,并确定了其表示式。Abstract: Let Hs is an upper triangular matrix with s ≥2,where all diagonal elements of the matrix H s are scalar-idempotent matrix.Some scalar-idempotent properties of the matrix H s are obtained by the methods of matrix and theory.Then the conditions of {1,3}-inverse of the matrix H 2 are discussed and its expres-sions are given by the standard form of the matrix H2 .
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