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- 二阶Dini方向导数second-order Dini directional derivative
- 用方向导数分析JC法的误差ANALYZING THE ERROR OF JC METHOD BY MEANS OF DIRECTIONAL DERIVATIVE
- 一种基于方向导数的边缘直线检测算法A Novel Edge Line Detection Method Based on Directional Derivative
- 广义方向导数generalized directional derivative
- 二阶second order
- 摘要讨论了几种不同的方向导数和梯度的定义。We discuss several different definitions of directional derivative and gradient vector.
- 二阶导数second derivative
- 偏导数与方向导数的关系The relation between partial derivative and directional derivative
- 乘给定元素的二阶行列式是删去该元素出现的行和列而得到的。The second-order determinant that multiplies a given element is found by crossing out the row and column in which that element appears.
- 利用方向导数判别函数极值Discriminate the Extreme Value of Function By Directional Derivative
- 二阶谓词second-order predicate
- 按顺时针方向转动旋钮。Twist the knob clockwise.
- 二阶增量second-order increment
- 矢量场方向导数和时标正则曲线Directional Derivative of the Vector Field and Regular Curves on Time Scales
- 二阶偏导数second-order partial derivative
- 这一次它是从相反的方向来的。This time it came in the reverse direction.
- 测深面二阶导数;SDRS; Second derivatives of the bathymetric surface;
- 风改变方向转向西吹。The wind veered round to the west.
- 北和南是相反的方向。North and south are opposite directions.
- 广义二阶导数generalized second derivative
