不等式

Secondly, the sufficient condition for the existence of memoryless state feedback controller with definite attenuation and the method of designing controller are derived. The condition is also further equivalent to the solvability of certain linear matrix inequality.

其次得到了具有指定衰减度的无记忆状态反馈控制律存在的充分条件及相应的控制器设计方法，该条件被进一步等价地转化为一个线性矩阵不等式的可解性问题。

Thus we fist study the relation between the 〓 transformations of〓 and its fixed points carefully.Then we give several important properties ofthis special nonelementary subgroup of 〓.

其次，我们对这种非初等群的不动点、极限集及其元素进行详细研究，得到了非初等群判别准则和〓型不等式。

Althoughthere are many types of nonelementary subgroups,these types of nonelementarysubgroups are all equivalent under the discrete condition.However this specialnonelementary subgroup of 〓 is a only exception.In our study,we note thatthe fixed points of 〓 transformations of 〓 are more complex than theplaner case.

首先，我们举例说明这种非初等群与Beardon、Martin以及Bowditch非初等群都不等价，而且，对这种非初等群，经典的〓不等式和离散准则也都是不成立的。

Let{T_1,T_2,...T_N} be a sequence of nonexpansive mappings that satisfy condition,and let r be a mapping from the set of natural numbers N onto {1,2,..N},which assumes each value infinitely often.

我们主要研究当≠φ随机乘积{S_n}的收敛性。因为这种随机乘积有广泛应用(如在偏微分方程，规划数学，不等式及线性等式)。

In the other hand, the process of metal forming is one of large plastically deformation, but the results of small deformation are continued to use in practical applications.

而实际上摩擦接触约束将导致变分不等式形式的能量泛函；另一方面，金属成形过程是一个大塑性变形过程，目前的分析研究仍沿用小变形的结果。

In recent years,the use of LMI to check stability for polytope matrices has become a useful tool.

近几年来，用线性矩阵不等式检验矩阵多胞形稳定性已成为一个十分有用的工具。

The polytope whose new ellipsoid is a ball was first characterized. Furthermore, some properties for operator Gamma (-2) were proved and some inequalities were obtained.

首先讨论了当多胞形的新椭球是球的充要条件，然后对Gamma(-2)的性质进行了探讨，得出了一些相关的不等式。

Secondly, according to the system which is matrix polytope structured uncertainty, we give a plan to design the state feedback controller of time-delay.

关于带有非线性不确定参数的时滞系统的鲁棒控制器设计，主要做了以下三方面的工作：第一，针对强结构不确定性和矩阵多胞形结构不确定性，基于Lyapunov理论，采用线性矩阵不等式方法，给出系统的状态反馈控制器设计方案。

The synthesis method of robust model predictive control is presented for continuous-time systems with polytopic uncertainties.

运用线性矩阵不等式方法，研究连续时间多面体不确定系统的鲁棒预测控制问题。

For the uncertain part, a robust fusion algorithm is also developed in terms of the linear matrix inequality, based on the polytopic models.

针对不确定扰动部分，基于多胞型描述模型给出了线性矩阵不等式形式的鲁棒融合估计算法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。