Well, we can use the chain rule.
可以使用链式法则。
What does the chain rule tell us?
链式法则告诉了我们什么？
So, we have to use the chain rule.
这里我们利用链式法则。
And now I'm going to use the chain rule.
要用链式法则。
The other method is using the chain rule.
另外一种方法就是用链式法则。
I've seen this one before in the chain rule.
这在链式法则里面看到过。
See, it is nothing but the good-old chain rule.
这就是所谓的“链式法则”
Our derivation of the chain rule contains one flaw.
我们推导链式法则的过程中有一个漏洞。
Well, we can answer that. The chain rule is something like this.
可以用链式法则来回答这个问题。
Well, of course we know the answer because that's a special case of the chain rule.
我们当然知道答案了,因为这是链式法则的一个特例。
Well, of course we know the answer because that's a special case of the chain rule.
我们当然知道答案了,因为这是链式法则的一个特例。
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