本文考虑当系数矩阵为正定对称矩阵，H阵及L阵情况下TOR型方法的收敛性。
We consider the convergence of TOR-Type method under the conditions when the coefficient matrices are positive definite symmetric matrices, H-mat - rices, L-matrices.
假定约束是可行、规范的，对于目标函数为正定或半正定的情形，得到了全局最优解的充要条件。
Under the cases that the objective function is positive definite or positive semidefinite, the necessary and sufficient conditions to characterize global optimal solution are obtained.
本文以半正定矩阵为工具，统一了一类几何不等式，获得了一个相当一般的结果。
In this paper, we use semi-definite matrix to generalize geometric inequalities and obtain a general result.
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