"Do you remember how Germont laughed when I said the mystery was difficult for him to solve because it was so simple?"
VOA: special.2009.12.26
Normally, if I tell you 3x + 4y = 6, and 9x + 6y = 14, you know how to solve it.
一般来说,如果我给你两个方程 3x + 4y = 6,和 9x + 6y = 14,你们肯定会解
Well, I solve 2 or 3 exponential problems before breakfast every day. You know things like, how to find my way to the bathroom is inherently exponential, but I manage to solve it anyway.
你要知道如何找到,我的浴室就是一个,固有的指数型问题,但是我还是能解决它。
We don't have to worry about how you solve it, but it's problem in mathematics and the answer will be--surprise, it's going to be oscillating back and forth and that'll come out of the wash.
我们没必要去担心这个方程该怎么解,但这个数学问题的答案将会是令人惊讶的,弹簧会来回振荡,问题就迎刃而解了
What I want this class to be is a class where at least sometimes, like on this homework assignment, I set up a model for you, set up the story for you, and then you have to actually figure out how do I set this up properly and how do I solve it out?
我希望这个课程是至少在某些时候,就像这次家庭作业,我为你们设定一个模型,设定故事情节,然后由你们自己实际操作,如何恰当地设计并解决它
You'd pull out your pencil and paper, you can do it as a matrix inversion if you know how to do that, or you can just simply do substitution of one equation into another to solve it.
你知道你在小学的时候是怎么做的对吧?,你拿出你的笔和纸,如果你会的话,你可以解一个方程组,或者你可以单纯地。
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