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difference quotient

  • 差商：数学分析中，割线的斜率，通过将割线与曲线的两个交点之间的垂直差异除以它们的水平距离获得。当水平距离趋近于零时，割线的斜率趋近于曲线的导数。

双语例句

  1. A difference quotient-numerical integration method is adopted to solve radiative transfer problems in an anisotropic scattering slab medium.
    采用差商-数值积分法求解辐射迁移问题。
  2. Through the suitable selection of difference quotient and correction of the one-dimension inaccuracy linear searching, scope of the improved method is extended.
    从应用角度出发，首先，将约束变尺度法改进为一般约束条件，通过适当选择差商形式和对一维不精确线性搜索方法的修正，扩大了该方法的适用范围。
  3. A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization.
    将相对差商法和混沌优化结合起来，形成求解离散变量桁架结构拓扑优化设计的混合算法。

网络短语

  • partial difference quotient
    偏差商
  • backward difference quotient
    后向差商
  • forward difference quotient
    前向差商
  • temperature-difference quotient
    温差商数
  • finite-difference quotient
    有限差分商

同义词

divided difference
[数]差商，均差；差分商

英英释义

  • The primary vehicle of calculus and other higher mathematics is the function. Its "input value" is its argument, usually a point ("P") expressible on a graph.