So, if you want to go at 1:00, you're welcome to do so, but please arrange it with my assistants.
如果你想去上1点的课,也可以,但是一定要和我的助教安排一下。
but you're pretty much saying that if you do get in, this, you're going to go.
但是你要坚定不移地说,如果你被录取,就一定会去。
Partly to show you that it's kind of weird, but also to tell you that one of the things you want to do is exercise what I'm going to call some type discipline.
一定程度上来说这有点儿怪,但是还是想要告诉你们的是,你们需要做一些,我称之为类型规范的练习。
We assume that unless we're dealing with Scheherazade, it has to have an end, but at the same time we might well ask ourselves, why does it have a middle? What is the function of the middle with respect to a beginning and an end?
而且我们认定一定会有结尾,除非讲故事的是那个,《天方夜谭》中的苏丹新娘,但是我们要问自己了,为什么故事一定要有经过呢?,故事的经过对于开头结尾来说起到什么作用呢?
But because we're now programming a computer at a lower level and because as we said last week, you really have to be precise and then careful to instruct this machine, this fairly dumb machine that will only do what you tell it to do very specific instructions, do we have to use a more precise syntax than just a puzzle piece might have previously allowed.
但是我们是要在电脑的低平台上编程不是吗?,那我们就要像我上周提到过的那样,一定要小心,小心,再小心地,操纵这台又聋又哑的机器,它只会根据你敲进去的,特定指令来做事,所以我们必须使用非常精细的语法,而不是模模糊糊,让人费解的概念。
But for the spaces that everyone shares, it's important to keep those clean
但是对于大家分享的区域,一定要保持干净,
So, that is a tricky problem to begin with because if you take this formula here, it tells you y if you know t, but no, we're not saying that.
以这个问题刚开始的时候有点难度,因为如果你要用这个公式,求y的时候就一定要知道t,但是,我们不知道
But in fact, it is not. And so, something I find myself repeating over and over again to myself, to my graduate students, is when you get an answer from the computer, always ask yourself, why do I believe it?
但是实际上,它并不是,因此,我一直一遍又一遍的重复的,给我自己和你们这些学生的就是,当计算机给出一个答案后,一定要问问自己为什么要相信这个答案?
Remember, you've got to keep track of the sign of acceleration, so if you're picking up speed towards the ground, a is negative, so it will be g plus a, but a is a negative number.
记住,一定要注意加速度的符号,所以当你加速下降的时候,a 是负的,还是 g 加上 a,但是 a 是负数
I've got and init that says, when you create an instance, here's what you do.
我并不需要一定要有init声明,但是这是,再说一次,通常来说把init声明一开始。
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