If you're smart, when your computer crashes, you shouldn't have any problem getting your files back.
如果你很聪明的话,当你电脑死机时,你应该可以很轻松地找回文件。
That means if you were able to solve and eliminate the variable that would be a critical point. When you have the same problem, as we have critical points, are they maxima or minima?
也就是说,如果你可以解出来或者去除掉这些变量的点,就是临界点,当你有这样的问题要解决的时候,我们找到临界点了,它们一定是最大值点或者最小值点吗?
When you have the occasional problem, you have to adjust your approach.
当偶尔遇到问题时,您必须调整自己的方式和策略。
There was nothing I could do. When you have this kind of a problem, you can only take care of your body.
VOA: special.2010.08.09
I'm going to give the last class a problem which is pretty interesting, which is what happens to you when you have an elevator.
我将讲解最后一个例题,非常有趣,也就是当你在电梯里的情形
And part of it is we want you to learn how to have a catalog, if you like, of different classes of algorithms, so that when you get a problem, you try and map it into an appropriate class, and use the leverage, if you like, of that class of algorithms.
另外我希望你们能学会,如何制作一个关于,算法不同课程的目录,这样当你碰到问题的时候,你可以去找到合适的课程,然后在那门课程中,寻找解决方法。
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