What is the gradient of this function?
这个函数的梯度是什么？
Well, you take the gradient of a function.
作出一个函数的梯度。
Well, so, what's the gradient of this function?
那么，这一函数的梯度是什么？
The normal vector will just be the gradient.
法向量就是梯度向量。
Find the gradient. Find an approximation formula.
求梯度和近似公式。
So, the way to do it is that we compute the gradient.
方法应该是去计算出梯度。
But, so here's the first cool property of the gradient.
现在我们来看看梯度的第一个好性质。
Well, the gradient is also a way to package partials together.
同样地，梯度也是把偏导数糅合到一起。
Click on the gradient to open up the gradient Editor dialog box.
点击渐变条打开渐变面板。
So, if actually show you the gradient, you can't really see it here.
如果展示梯度的话，在这儿是看不到的。
We have seen that the gradient is perpendicular to the level surface.
我们已经知道，梯度是垂直于等值面的。
The edge preservation is to preserve the gradient of edge areas.
边缘保持是保持边缘区域的梯度；
Say that f, our vector field is actually the gradient of some function.
也就是向量场f实际上是一个函数的梯度。
To alter the gradient of land surface for decreasing the energy of flow.
二是改变地表的坡度，减小水流的能量。
The conservative force and the gradient of the potential energy are dual vectors.
保守力与势能梯度互为对偶矢量。
Under this background, the gradient process and industry transfer theory is praised widely and highly.
在此背景下，梯度推移和产业转移理论在国内广受推崇。
Switch to the Gradient Tool (G).
切换到渐变工具(G)。
Create a new layer and get the Gradient Tool.
新建层，选择渐变工具。
Click OK to close the Gradient Editor dialog box.
单击确定以关闭渐变编辑器对话框。
Click on it, now the Gradient Editor should pop up.
点击它，现在的渐变编辑器应该弹出。
Access the Tool Panel again and select the Gradient Tool this time.
再次使用工具箱，这次我们使用渐变工具。
Access the Tool Panel again and select the Gradient Tool this time.
再次使用工具箱，这次我们使用渐变工具。
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