Prof.: Oops sorry I was asking that lady there.
教授:不是,我问那位女士。
That's not a bad example is it? But you see what I mean Student: Inaudible Prof: because there is, oops I'm sorry I'm going the wrong way.
这不是个坏例子,对吧,但是你明白我的意思,学生:,教授:因为这里,对不起我看错了。
V3 Here's the V4 over V3, V1 oops, sorry. V2 over V1, this is equal to the inverse of this.
所以就是这里的V4除以,哦,对不起,V2除以,它是它的倒数。
V3 Here's the V4 over V3, V1 oops, sorry. V2 over V1, this is equal to the inverse of this.
所以就是这里的V4除以,哦,对不起,V2除以,它是它的倒数。
And in fact, if we just go ahead and run this now, hopefully we get out-- oops, sorry, I'm going to have to change this quickly, I still have some things uncommented at the bottom, yeah, there they are, I don't think we need that yet, all right, we will comment those out.
如果我们现在去运行程序的话,希望我们会得到-噢,抱歉,我得去马上,改下代码,还有一些在底部的东西没被注释掉,对,就在这儿了,我不认为我们需要,这些东西了,好,我们把它们注释掉,好,那么我为什么要讲这些呢?
On the next step though, this, we get substituted by that. Right, on the next step, I'm back in the even case, it's going to take six more steps, plus t of b minus 1. Oops, sorry about that, over 2.
这一步就是偶数了,这一步会让我们得到,6+t这样的结果,因为b-1现在是偶数了,别忽略这里的细节。
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