Switch to the Gradient Tool (G).
切换到渐变工具(G)。
What is the gradient of this function?
这个函数的梯度是什么？
请讲？，哦，不是梯度。
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。
Create a new layer and get the Gradient Tool.
新建层，选择渐变工具。
The resulting solution is known as the gradient .
合成解就是通常的梯度风。
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。
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。
So, if you prefer, that's where the gradient vector is zero.
认为梯度向量为零也是可以的。
Use electrical control to correct the gradient of weft.
采电动控制，来校正纬纱之斜度。
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。
Adjust the gradient so the white is at the top of the shape.
调整梯度，使白皮书是在顶部的形状。
I had to dump the gradient and replace it with something new.
我不得不抛售梯度和一些新的东西取代它。
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。
Click on the gradient to open up the gradient Editor dialog box.
点击渐变条打开渐变面板。
If you are a physicist, that the force will be negative the gradient.
如果你是物理学家，力其实是负的梯度。
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。
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。
Click and hold on the Gradient Tool to bring up the Contextual Menu.
点击并保持渐变工具以调出上下文选项单。
Adjust the gradient so the lighter black is at the top of the shape.
调整梯度，使较轻的黑色是首要的形状。
Adjust the gradient so the red color is at the bottom of the ellipse.
调整梯度因此，红颜色是在底部的椭圆。
This is where you can also change the gradient to be radial or linear.
这是您还可以更改梯度是径向或直线。
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。
Then you know that the gradient of g is perpendicular to the level surface.
那么就知道了g的梯度,是垂直等值面的。
应用推荐