本文研究具有某些固定元素的矩阵在线性约束下的最佳逼近，其结果可以用于解一类矩阵反特征值问题。
In this paper, we consider the best approximation of a matrix under a given linear restriction with some fixed elements. This result can be apply to solving a class matrix inverse eigenvalue problem.
分析了在适当的边界条件和约束下三次多结点样条插值的逼近阶；
The approximation order of the interpolation with the appropriate boundary conditions and constraints is analyzed.
本文对不等式约束非线性规划提出一种光滑逼近- BFGS法。
In this paper, a smooth approximation-BFGS method for solving inequality constrained nonlinear programming is presented.
在一定的条件下，得到了概率约束规划逼近最优解集的稳定性和最优值的连续性，从而对近似求解这类问题提供了某种理论依据。
The stability of approximate optimal solutions sets and the continuity of optimal values of probabilistic constrained programs are obtained under some conditions.
在一定的条件下，得到了概率约束规划逼近最优解集的稳定性和最优值的连续性，从而对近似求解这类问题提供了某种理论依据。
The stability of approximate optimal solutions sets and the continuity of optimal values of probabilistic constrained programs are obtained under some conditions.
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