MY字典>英语词典>convex翻译和用法

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 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。
      • 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。
      • The convex surfaces face toward the left.
        凸面朝左方。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。