convex

英 [ˈkɒnveks]

美 [ˈkɑːnveks]

adj.  凸出的; 凸面的

TOEFLGRETEM4TEM8

BNC.16763 / COCA.23277

牛津词典

adj.

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

柯林斯词典

• ADJ-GRADED 凸起的;凸面的
  Convexis 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

英英释义

adj

• curving or bulging outward
  Synonym:bulging

双语例句

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。