... symmetric idempotent matrix 对称幂等矩阵 symmetric tridiagonal matrix 对称三对角线矩阵 symmetric coefficient matrix 对称系数矩阵 ...
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real symmetric idempotent matrix 实对称幂等矩阵
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Nine equivalent conditions of real idempotent matrix are given and proved, and one equivalent condition of real symmetric idempotent matrix is also given in this paper.
给出并证明了实幂等矩阵的九个等价条件,以及实对称幂等矩阵的一个等价条件。
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