convex

英 [ˈkɒnveks] 美 [ˈkɑːnveks]

adj.  凸出的; 凸面的

TOEFLGRETEM4TEM8

BNC.16763 / COCA.23277



牛津词典

adj.

  1. 凸出的;凸面的
    curving out
    1. a convex lens/mirror
      凸透镜;凸镜

柯林斯词典

  1. ADJ-GRADED 凸起的;凸面的
    Convex is used to describe something that curves outwards in the middle.
    1. ...the large convex mirror above the fireplace.
      壁炉上方的大凸面镜

双语例句

  1. The convex surfaces face toward the left.
    凸面朝左方。
  2. Because there is no abrasion between the concave and convex, the nut is reusable.
    因为凹面与凸面没有磨损,螺母可以重复使用。
  3. The inferior and lateral convex border of the stomach is the greater curvature.
    胃的下方及侧面凸缘是胃大弯。
  4. 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。
  5. Alternative characterization of concave and convex functions which is sometimes useful.
    对于凹函数和凸函数还有一个替补的表征,有时它是有用的。
  6. The Optimal Approximation of Matrices on Some Closed Convex Cone; relating to or resembling a cone.
    矩阵在闭凸锥上的最佳逼近(英文)与锥体有关或类似于锥形。
  7. Have analyzed and calculated the diffractive efficiency of the convex grating used in the hyper spectral imager.
    对超光谱成像仪使用的凸面光栅衍射效率进行了分析计算。
  8. Convex sets and functions have many interesting and useful properties which are not explored in detail here.
    凸集和凸函数具有很多重要的和有用的性质,在此不作详细讨论。
  9. Concave on one side and convex on the other with the concavity being greater than the convexity.
    一边凹一边凸,而且凹度比凸度大。
  10. Using geometric method, a rational interpolation within convex polygons is constructed and extended to include side nodes.
    构造出凸多边形上的一个新型有理插值,并将其推广到含有边节点的情况。
  11. The formula is given for? calculating? generalized directional derivative by using the directional derivative of convex functions.
    给出了用凸函数方向导数计算广义方向导数的公式。
  12. For convenience of the reader, pertinent results from linear algebra and convex analysis are summarized in Chapter two.
    为方便读者,在第二章中总结了相关的线性代数和凸分析知识。
  13. The relationship between the epi-sum regularity condition and the strong CHIP in locally convex spaces is discussed.
    在局部凸拓扑向量空间上讨论凸集的上图和正则条件与强锥包相交性之间的关系。
  14. Some known results on monotonicity of the arithmetic means of convex and concave functions are improved.
    改进了有关凹函数和凸函数的算术平均值单调性的某些已知结论。
  15. In this paper, a new methodology was proposed based on the connected convex curve searching and ellipse fitting.
    本文提出一种基于凸性连通分支搜索结合曲线拟合的多椭圆检测算法。
  16. Lastly, it presents a necessary condition for local uniform convex point.
    最后给出了局部一致凸点的一个必要条件。
  17. Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.
    提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。
  18. In this paper the definition of semi-linear topological space and locally convex semi-linear topological space is given.
    本文定义了半线性拓扑空间及局部凸半线性拓扑空间,研究了这些空间的性质。
  19. This paper uses the method of establishing the convex envelope, giving a proof in Partial Differential Equation.
    本文利用构造凸包络的方法,给出了该定理偏微分上的证明。
  20. A plane with a flexible face that can plane concave or convex surfaces.
    有可以刨凹面或凸面的曲面的刨子。
  21. It was proved that, when the objective function was uniformly convex, this algorithm possessed superlinear convergence.
    证明该算法在目标函数为一致凸时具有局部超线性收敛性。
  22. That is multi-direction extreme value approximate convex hull algorithm, and is called MDEV for short.
    提出并实现了平面点集凸壳的一种新的近似算法&多方向极值法。
  23. It is useful in many branches of mathematics analysis through the research of concave and convex functions.
    对函数凹凸性的研究,在数学分析的多个分支都有用处。
  24. The model solved a convex quadratic programming similar to standard support vector machine algorithm.
    更新模型是求解一个与标准支持向量机具有类似的数学形式的凸二次规划问题。
  25. An integral property of the convex function is generalized, and the some integral inequalities of the convex function are given.
    给出了凸函数的一个积分性质的推广,并由此得到了凸函数的几个积分不等式。
  26. A new large-update interior-point algorithm for convex quadratic optimization based on the class of finite kernel functions is presented.
    本文给出了凸二次优化问题基于一类有限核函数的新的大步校正内点算法。
  27. Finally, optimality necessary and sufficient conditions for nonlinear convex semidefinite programming are proved.
    并给出了非线性半定规划的最优性必要和充分条件。
  28. For some special cases, the deterministic convex optimization problems are derived.
    对某些特殊的情形,我们导出了鲁棒线性最优化的确定性等价问题。
  29. MOSEK provides specialized solvers for linear programming, mixed integer programming and many types of nonlinear convex optimization problems.
    MOSEK提供了特定解决线性编程、混合整数编程以及其他非线性转换优化问题。
  30. The convex plate consists of a cylinder and a cone.
    所述的凸台由圆柱体和圆锥体两部分组成。

英英释义

adj

  1. curving or bulging outward

      Synonym:    bulging