The red and black ordering method about the coefficient matrix of a class of linear equations and the condition number of schur complement matrix deduced from red and black matrix are studied.
研究了一类线性方程组系数矩阵的红黑排序方法，以及由红黑排序矩阵导出的舒尔补矩阵的条件数。
In this paper, some important inequalities on norm of determinent of complex positive definite matrix and its Schur complement are obtained.
正定复矩阵是矩阵论中的一个重要概念，人们已经掌握了它的若干性质与结构。
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