[数] 正定性

[数]正定性

positive definite───[数]正定的

indefiniteness───n.不确定；无定性

positive emotions───积极情绪（positiveemotion的复数）

positive polarities───n.正极，[电]正极性

positive sentiment───积极情绪

positive reinforcement───[心理]正强化；阳性强化

positive bending moments───正弯矩

definiteness───n.确定性，定指；明确；清晰度；梅性

past definite───过去确定的

theorem to determine the generalized positive definiteness of high-order matrices by low-order matrices is given.───给出了用低阶矩阵来判定高阶矩阵的广义对称正定的判定定理。

a criterion for the positive definiteness of a block - matrix and its application───分块矩阵的正定性准则及其应用

Criteria for Positive Definiteness of Product of Two Positive Definite Matrices───两个正定矩阵乘积正定性的判别

Criterion of the positive definiteness matrix and M-matrix───正定矩阵与M矩阵的判定

On the positive definiteness of the product of matrices───矩阵乘积的正定性