Then A is positive semidefinite, negative definite and negative semidefinite.

则A是半正定, 负定,半负定的.

辞典例句

To strategically semidefinite. to pick from the tactical measures.

要从战略上定规划. 要从战术上拿措施.

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In this paper , some properties of weighted sub positive semidefinite matrices were discussed.

讨论了加权亚半正定矩阵的充要条件、分解、特征值、行列式等性质.

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Finally, optimality necessary and sufficient conditions for nonlinear convex semidefinite programming are proved.

并给出了非线性半定规划的最优性必要和充分条件.

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This paper is concerned with the problem of real symmetric semidefinite matrix pencil under spectral restriction.

本文讨论谱约束下实对称半正定矩阵束的最佳逼近问题,指出一般算法.

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