That's a small step there.
这是一个小音级
All right. If the derivative is small, it's not changing, maybe want to take a larger step, but let's not worry about that all right?
好,如果导数很小的话,函数就基本没什么变化,可能我们就想把步子迈大一点儿了,但是别为这个担心?
They had these little leftovers in there and that's why we end up with these small distances between B and C That's a big step.
他们还有一些剩余,这就是为什么,B和C之间有一小段距离,这是一个大音级
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