This is giving us one more try on the vsper geometries, because it didn't go so well on Wednesday.
这里再给你们一次机会,我们周三课堂练习做的不是很好。
Would you do it again?
你可以再做一次吗?
Now let me do it a second time to show you that -- I'm saying this poorly.
还不至于如此呢,现在让我再做一次给你们看。
I want to make one more remark about what I'll be doing in terms of this class.
我想再多弄一次关于,在这个课题上我会明确地做什么的讨论。
We have to do it again because the mortgage institutions have deteriorated somewhat.
我们必须再做一次改革,因为抵押贷款机构已经有所恶化
Let's do this again. We'll sing it again.
来再做一次,我们再唱一遍
X So now if we actually introduce the variable X, welcome X. Let's do this again.
现在如果我们引进一个变量,欢迎你,X,让我们再做一次。
So let me expand on that very slightly, and again we did this last time but I want to do one more time. I have to be careful about how I'm actually implementing a list.
我们之前做过了一次,但还是再做一次吧,我得小心的在列表中执行,例如在这个例子中。
And then I go back and I start again, and I do the same thing.
跑完了一遍,它总是在最下面,然后我回来再做一次。
I divide them in half one more time.
我要做什么?,再一次的将这些列表进行分半。
And then in the even case I've got to do a square and the divide.
如果是偶数情况的话,我还要再做一次除法和求平方。
Having reached the end of the block, go back up and check the test.
执行到了这块代码的最后,程序会回去再做一次测试。
And again, notice what I've done.
再一次看看我们做了什么。
Ah ha, it goes into that accept portion, prints out a message, and goes back around the while loop to say try again. And it's going to keep doing this until I give it something that does serve as a float.
他会说输入一个浮点数,啊哈,它就到了那段处理代码,打印出消息,然后回到while循环让我们再输一次,它会持续这么做直到它接受到一个浮点数。
I've got to test to see if I'm in the base case, and if I'm not, then I need to move a tower of size n minus 1, I need to move a tower of size 1, and I need to move a second-sorry about that a second tower of size n minus 1.
首先我看看我是不是在最基本的情况,如果不是的话,我得先做一个N-1个,圆盘的移动,移动一个圆盘,然后再做一次N-1个圆盘的移动。
Another way of saying it is, I've actually said, what did I use there, and , It's basically saying there is the first point, there's the second point, add them together and I get that point.
我要去做的是-对不起,再运行一次-好,你可以看到我已经把,这两个点的坐标值加到一块儿了,然后返回了r的值,我会让大家看到我们,实际上得到的是什么,这看起来不错,好,我做了正确的操作。
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