2) nonnegative definiteness
非负定性
1.
This paper gives two definitions of nonnegative definiteness of two variables function and proves their equivalence.
非负定性是数学中一个重要概念,本文提出了二元函数非负定性的两个定义,并且证明了它们的等价性。
5) nonnegative definite
非负定(的)
6) nonnegative definite matrix
非负定矩阵
1.
When A is a nonnegative definite matrix with finite maximum eigenvalue, the strong convergence of random quadratic forms is established under finite fourth moment.
当A为非负定矩阵且其最大特征根有限,随机变量存在有限的四阶矩情形下,获得了二次型的强收敛。
补充资料:非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
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