凸的

The problem of robust stability analysis for convex polytopic uncertain discrete-time systems with multiple-state delays is investigated.

研究了具有多重状态时滞的凸多面体不确定离散系统的鲁棒稳定性分析问题。

Methods The theories of topology, convex analysis and functional analysis are used to study and analyze some properties of the set-valued function in the problem.

依据拓扑，凸分析和泛函分析的理论，对于锥扰动向量优化问题中特定的集值映射进行分析和研究。

Based on LMI method and convex combination technique, the problem of robust stabilization for a class of uncertain switched systems with nonlinear disturbance is studied.

基于线性矩阵不等式方法和凸组合技术，研究一类带有非线性扰动的不确定切换系统的鲁棒镇定问题。

Under the control valves and flanges of different, have different matching flanges, for example, have flat flange, convex flange ring flange combination of such surfaces.

根据控制阀连接法兰的不同，有不同的配套法兰，例如，有平法兰、凸面法兰、环形结合面法兰等。

Aimed at the problem that the performance of convex combination track-to-track fusion algorithm degrades in the case that the process noise of dynamic system does not equal zero, RhS smoother was introduced to improve the performance.

针对凸组合航迹融合算法在过程噪声不为零的情况下性能下降的问题，引入了RTS平滑算法来提高融合性能。

In this paper we discuss the optimal approximation of matrices and its numerical algorithm on some closed convex cone .

讨论矩阵在闭凸锥上的最佳逼近及其数值算法，在对称半正定矩阵集上，给出了最佳逼近数值算法的MATLAB程序和数值例子。

This paper introduces the definition of common quadratic Lyapunov functions and proves that the set which consists of all the common quadratic Lyapunov functions is a convex cone .

给出了共同二次Lyapunov函数的定义，并证明了全体共同二次Lyapunov函数所组成的集合是凸锥

This article incorporates robustness into a general convex conic optimization problem and shows its deterministic equivalence under the D-duality framework, in which one needs only to compute a D-induced convex cone, which is generally difficult.

本文把不确定性考虑进凸锥最优化问题，在D-对偶理论的框架内把原问题的确定性等价问题表示出来了。对于这样的问题，我们只要计算一个D-对偶锥就可以了。

The internal force yield condition is a close and convex curve and can correspond to the symmetry of internal force.

该内力屈服条件是一条闭合的外凸曲线，符合内力分量的对称性，在材料拉压强度相同时蜕化为屈雷斯卡内力屈服条件。

The data of Monte Carlo simulated grains and pure iron show that the grain size is related to the face number by a curve convex upward.

仿真数据和纯铁实验数据均表明，晶粒尺寸与晶粒面数之间的统计关系表现为一条单调递增的凸曲线。

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％。