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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

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