专业字典>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

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