1) non-negative restriction
非负约束
1.
In this paper, by setting up a critical line equation of portfolio investment without or within non-negative restriction, we advance a method to find out the optimal weight of portfolio investment, whether yield or risk is given.
本文通过建立无非负约束和有非负约束条件下证券组合的临界线方程 ,分别给出了求解允许卖空与限制卖空时证券组合投资最优权重的一种方法。
2) non-negativity constraint
非负性约束
3) Linear nonnegative constraints
线性非负约束
5) nonnegative constrained least-squares algorithm
非负约束最小二乘算法
6) nonnegative constrained minimization
非负约束极小化问题
1.
A variational inequality problem is formated as one of nonnegative constrained minimization.
通过研究多面凸集上一般变分不等式问题与约束方程组的关系,将其转化为等价非负约束极小化问题,给出一个具体求解单调变分不等式问题的内点型迭代方法,数值试验结果表明所给方法是稳定和有效的。
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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