下界

This paper discusses minimal surface in arbitrary boundary and describes a new method for approximating to minimal surface with B- spline surface in arbitrary bounded domain.

讨论了任意边界下的极小曲面造型问题，提出了一个用B-样条函数做任意有界区域上极小曲面造型的新方法。

On the condition that nonlinear function are bounded. By using the linear matrix inequality, a sufficient condition of the output feedback stability about the nonlinear uncertain systems with time-delay is obtained and then the design method of its robust stability is also given in it.

在非线性不确定性满足增益有界条件下，利用线性矩阵不等式方法给出了鲁棒镇定律的存在条件及镇定律存在时相对应的控制器设计方法。

On condition that the nonlinear uncertain function is bounded, based on state observer and controller, we derive a sufficient condition for robust stability independent of delay by the Lyapunov functional theory.

在非线性不确定性满足有界条件下，通过构造增广系统，利用Lyapunov稳定性理论，给出了该不确定性系统基于观测器的鲁棒镇定的充分条件，并给出了相应的状态观测器和鲁棒控制器。

Let 〓 be two Hilbert spaces over the same field,and let T:〓a bounded linear operator with closed range.

在1.4中，我们在最一般条件假设下，给出了Hilbert空间上线性有界算子及其最小二乘解的误差分析，从而完整地解决了Hilbert空间算子的扰动理论。

The discussion produces some useful result:theconvergence of bounded subfeasible solution sequence and the convergence to zero of thesubfeasible dual gap.

在引入摄动的思想下，针对受摄动KKT系统，首先证明了以上四个规划问题中线性规划及其Wolfe对偶问题解的存在性，在此基础上得到一个关于其有界次可行序列收敛和次可行对偶间隙收敛到0的重要结论。

Under the assumption that the constrained set is bounded and nonempty , we discussed the geometric properties of the feasible set for MFBLP model and Optimality conditions of MFBLP .

在约束集为非空有界的前提下讨论了可行集的几何性质，得到了可行集为约束集的若干个面的并，可行集为弱拟凸集等一些较好的几何性质。

Under some reasonable assumptions of the'Distribution Matrix', the Riemann Problem with piecewise constant initial data is proved to have a unique Riemann Solver; furthermore, using'Wave Front Tracking Method'and properties of the'Generalized Characteristics', we prove the existence of weak entropy solution to the Riemann Problem with arbitrary initial data of bounded Total Variation.

在"分布矩阵"满足合理的假设前提下，证明了具有分片常值初始条件的黎曼问题的黎曼解算子的存在唯一性；并进一步运用"波前追踪法"和"广义特征"等得到了具有任意有界全变差初值条件的广义黎曼问题的弱熵解的存在性。

Using qualitative analysis methods, the paper studies the boundedness of solutions and the existence of limit cycles.

利用定性分析的方法，讨论了模型在收获率条件下平衡点的稳定性，解的有界性，极限环的存在性问题。

Using general qualitative analysis methods, we study the boundedness of solutions, the properties of equilibrium and the existence of limit cycles.

利用常用的定性分析方法，讨论了模型在收获率条件下的解的有界性、平衡点的性态及极限环的存在性问题。

Regarding a sequence closely related linear_programming problems to be sloved, an algorithm based on a branch and bound method is given.

针对这个特点，提出了应急限制期下的应急选址模型，并提出了基于分支定界方法的应急选址模型的最优解。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。