凸的

We discuss some foundational properties of the convex function.

随后介绍凸函数的几何直观描述、解析定义和凸函数的重要性质。

The differences of optical properties between the convex refractive microlens arrays and the conventional convex thin lens are derived.

给出了凸型折射微透镜与传统的凸形薄透镜在常规光学特性方面的差异。

Sort-and-Incremental Algorithm Step 4: Intersections of adjacent h-plane pairs in stack form half a convex polygon.

相邻半平面的交点组成相邻半平面的交点组成半个凸多边形。半个凸多边形。

Let X be a Banach space, be a locally convex linear topological space, C is a τ-sequence compact convex subset of X, and S an asymptotically nonexpansive type semigroups from C onto itself.

X是一Banach空间，是局部凸线性拓扑空间，C是X上的τ-序列紧凸集，S是C上的Γ类渐近非扩张型半群。

Therefore, the research on convexity and generalized convexity is one of the most important aspects in mathematical programming.

因此，对凸函数和广义凸函数的研究是数学规划中最重要的内容之一。

The convexity monotonicity and correlation theory of functions are studied.

用集合的近似凸性研究函数的拟凸性。

A deterministic global optimization algorithm based on Lagrangian dual is proposed for solving the nonconvex quadratic programming with nonconvex quadratic constraints, which is often encountered in technical design and operational research.

针对带有非凸二次函数约束的非凸二次规划问题，提出了一个基于拉格朗日对偶的确定型全局优化算法，这类优化算法可广泛应用于工程设计和非线性系统的鲁棒稳定性分析等实际问题中。

And this paper built a simulation model of distribution system with discrete requirement through computer simulation software.

通过计算机仿真，文章对离散需求的分销系统进行了模拟，并将结果与凸规划模型进行了比较，结果证明，凸规划模型在离散需求情况下也是基本适用的。

The trajectory of horizontal well was a wave line in vertical plane,therefore some sections are upward as well as corresponding drill stem restrained by the wellbore.

在铅垂平面内水平井眼轨迹为一条上下起伏的波浪线，因此在某一段井眼轨迹会呈现上凸弯曲，受其约束位于其中的钻柱也会存在上凸初弯曲。

By level function,ε-subdifferential, normal cone and dual function, global optimal solutions for a convex function in locally convex topological vector space and a few of equivalent forms on it are obtained. Maximum points are characterized.

讨论局部凸拓扑向量空间中凸函数的全局最优解，用水平函数、ε-次微分及法向锥和共轭函数等工具刻画其最大值点，得到最优解的几个等价形式。

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％。