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1)  tridiagonal partial inverse M ma-trix
三对角线部分逆M矩阵
2)  tridiagonal inverse M matrices
三对角线逆M-矩阵
3)  tri-diagonal inverse M-matix
三对角逆M-矩阵
4)  tri-diagonal period inverse M-matrices
周期三对角逆M-矩阵
1.
Partitioning specially and using the properties of schur compelements matrices,it gets the necessary and sufficient conditions for inverse M-matrices;the properties of tri-diagonal period inverse M-matrices and the necessary and sufficient conditions for the tri-diagonal matrices are combined,and the necessary and sufficient conditions of the tri-diagonal period inverse M-matrices are obtained.
将矩阵进行特殊分块,结合schur-补矩阵的性质,得到了非负矩阵是逆M-矩阵的充要条件;进一步结合周期三对角矩阵的性质和三对角逆M-矩阵的充要条件,得到了周期三对角逆M-矩阵的充要条件。
5)  five-diagonal inverse M-matrices
五对角逆M-矩阵
1.
By the partitioning of block matrices,the structure of Five-diagonal inverse M-Matrices is discussed and a sufficient condition of five-diagonal inverse M-matrices is also put forward.
通过矩阵分块的方法,探讨了五对角逆M-矩阵的结构,给出了五对角逆M-矩阵的充分条件,进一步证明了这类五对角矩阵在Hadamard积下的封闭性。
6)  partial inverse M-matrix
部分逆M矩阵
1.
By using the graph-theoretic method, the completion problems for a partial inverse Mmatrix with any order are discussed when its corresponding graph of the partial inverse M-matrix is a 2-chordal graph.
本文采用图论的方法对任意阶部分逆M矩阵,当其对应的图为2-弦图时,研究了其逆M矩阵的完备问题。
补充资料:块三对角矩阵
分子式:
CAS号:

性质:一种特定形式的分块矩阵(分块矩阵的元素均为子矩阵),矩阵的主对角线及其相邻对角线上的子矩阵为方阵,其余子矩阵为零矩阵。块三对角矩阵的运算与三对角矩阵类似。 

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