non negative solution existence 非负解存在性
non-negative strong solution 非负强解
non-negative integer solution 非负整数解
non-negative periodic solution 非负周期解
In this paper, the authors establish a new method of finding the base feasible solution for linear program subject to non-negative variables and equality constraints.
针对这一问题，文章提出了求非负变量等式约束基本可行解的一种方法。
The problem about how to determine the weak efficient solution of convex multiobjective programming is turned into a problem judge whether an equation has non-negative non-zero solution.
将弱有效解的判断问题转化为判断一线性方程组是否存在非负、非零解的问题。
On the premise that the system there exists non-negative weak solution, the paper further discusses the semi-stability of the system solution using the theory of ordinary differential equations.
在该系统非负弱解存在的基础上，利用常微分方程理论，进一步讨论该系统解的半稳定性。
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