链式法则告诉了我们什么？

What does the chain rule tell us?

根据链式法则，我得到θ点。

With the chain rule, gives me a theta dot.

另外一种方法就是用链式法则。

The other method is using the chain rule.

这就是所谓的“链式法则”

See, it is nothing but the good-old chain rule.

为了把这里的p变成,我们需要利用链式法则,好，让我们使用链式法则。

So let's use the chain rule.

可以使用链式法则。

Well, we can use the chain rule.

要用链式法则。

And now I'm going to use the chain rule.

解析函数链式法则的两种证明方法.

Two proving method for Chain rule of analytic function.

可能你们知道,怎样用链式法则求出∂x/∂

Maybe you would know to express u partial x over partial u in terms using that chain rule.

链式法则告诉我们——保持a不变,对这个公式关于θ做微分

The chain rule tells us, so we will want to differentiate - -- the formula for a with respect to theta holding a constant.