directional derivative
方向导数：在多元函数中
常用释义
英式发音
美式发音
基本释义
- 方向导数：在多元函数中，沿着某个给定方向的导数。
例句
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1·And that's basically, yes, that's the directional derivative.基本上是的，那就是方向导数。
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2·Well, it's actually the directional derivative in that direction.它其实是那个方向的方向导数。
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3·The directional derivative according to the vector fields was introduced.引入了相应于矢量场的方向导数。
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4·We discuss several different definitions of directional derivative and gradient vector.讨论了几种不同的方向导数和梯度的定义。
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5·The directional derivative in a direction that's perpendicular to the gradient is basically zero.垂直于梯度的方向上,方向导数为零。
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6·Secondly, the new generalized gradient is introduced to take advantage of the given directional derivative.其次讨论了一类新的广义梯度，这样的广义梯度能够充分利用已经有的方向导数的信息。
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7·And,the slope is going to be the directional derivative in that direction OK, I think that's as graphicas I can get.这个斜率就是此方向的方向导数,好了，我想我说的已经尽量图形化了。
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8·The paper offers a dual problem for the semi-infinite convex programming by using the directional derivative with zero dual gap.本文对半无限凸规划提出一个用方向导数表述的对偶问题，其对偶间隙为零。
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9·Then, we define a class of tangent cone F convexity in terms of the tangent cone directional derivative, and prove the sufficient optimality conditions for (VP).然后利用正切锥方向导数定义一类正切锥F 凸函数类，并给出了（VP）正切锥真有效解的充分性条件；
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10·A discussion of the relations between continuity, partial derivative, directional derivative and differentiability of binary function is helpful for us to study binary function.探讨二元函数的连续性、偏导数、方向导数以及可微性之间的关系，有助于我们对二元函数的学习。