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Now I got one just simple thing, and I simply have isolated that module inside of that function.What about abstraction?
而现在我只要做一件简单的事，那就是我只需把这个模块,加到函数中去？
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You can say "this is where I am right now and this is what I'm going to do very, very soon."
你可以说，“这是我现在的情况，而那就是我很快就要做的事情。”
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I'm now exploring the question of whether or not stock prices are indeed memoryless, or the stock changes.
我现在要探索一个问题那就是股价,是否真的是无记忆的，或者说股票的变化是否是无记忆性的。
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One might win it in chemistry because the disciplines weren't as diverse as they are today. So, that's why I hesitate.
他之所以得到化学奖,是因为当时学科不像现在多样化,这就是我为什么会犹豫。
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Now one of the main questions going to face your advisory council is the question of discrimination on hiring.
现在，一个主要问题将会,摆在你们顾问委员会面前，那就是,雇佣歧视的问题。
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So now thankfully I found the lightest one which happens to be this guy here and so what's just happened?
现在我找出了最轻的，它就是,这个杯子，那么刚刚发生了什么呢？
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These are not the only problems posed by the Western tradition in its modern form, which is what we live in.
这些问题不仅仅存在于,西方现代社会,也就是,我们现在生活的社会
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What I'm considering right now is the question whether sameness of soul is the key to being the same person.
我现在考虑的问题是,同样的灵魂,是否就是成为同一个人的关键。
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So now we can just take the negative of that binding energy here, and I've just rounded up here or 1 . 4 times 10 to the negative 19 joules.
等于4是第三激发态,现在我们可以取它结合能的负值,也就是1。4乘以10的负19次方。
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So, this is what we're going to measure, and this is what we're going to determine.
这就是我们要测量的，这就是我们要确定的，现在。
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And they wove them together into the form that we have now, and that is a process that is referred to as redaction or editing.
他们将它们编篡成我们现在看到的形式，这就是我们所说的编辑过程。
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He founded Whitebox Advisors in 2000 -so that's eight years ago -and it is now up to $1.8 billion assets under management.
他于2000年创立了白盒顾问,也就是8年前,现在这家公司成长为,资产管理规模高达18亿的公司
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The beauty of that is now we have discovered a notion of what it means to multiply a vector by a number.
现在最美妙的就是我们就已经知道,数字乘以矢量的意义
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And if I'm walking down the list, this is probably order of the length of the list s because I'm looking at each element once.
这可能大概就是数组的长度，因为我会遍历数组中的每个元素一次,现在你可能会想，等等，数组已经排好序了。
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And, in fact there's a technique of analysis used today that's called Rutherford back scattering where people actually saw that this is a means of identifying the substance, the sample.
事实上这是现在用的一种分析技术,称作卢瑟福背散射,就是人们实际上看到的那样,这是鉴别物质样品的一种方法。
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So, again, this is why I'm disclaiming that this isn't all that interesting yet, but what am I doing.
此外，这就是为什么我放弃那个，这个不是那么,有趣，不过我现在在做什么呢？
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All right, so that notion of abstraction and we're going to come back to multiple times -- during the term-- and it's not just abstraction, -- it's the idea of a specification.
现在就试试,这就是抽象的概念,我回过来说，我们将要多次提到这个术语。
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And what we want to do then, is we want to basically come up with, how do we characterize the growth-- God bless you-- of this problem in terms of this Quadra-- sorry, terms of this exponential growth.
现在我们想要做的就是,我们怎么来量化增长率呢？,在这个问题中也,就是框架-对不起是，输入指数的增长。
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I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.
我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。
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And I want to stress this, we're going to come back to it later on in the term, so the way I'd like you to think about it for now, is that somewhere in the machine, there's a big space that contains all possible values.
我想要强调一点，我们在晚些时候,还会回头来讲这一点，因此现在,我需要你们形成这么一个观点，就是在计算机的某处，有一个包含了所有可能值的,很大的空间，好。
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So, what we want to do now is see if we can understand how this backscattering experiment worked. So we will do our own backscattering experiment.
希望现在能更简洁一点,好，我们现在,要做的就是看看,我们是否理解了。
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So, what we have left in our equation is only one part that n we haven't explained yet, and that is that n value.
现在方程里只剩下一个常数,我们还没有解释，这就是。
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OK, now one last thing that he did is that he said, OK, what's going on here?
现在他做的最后一件事就是他说，这儿怎么了？
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So now we're done, actually there is one more step, which is to determine the formal charge.
那么我们现在做完了，实际上应该还有一步，那就是确定形式电荷。
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One of the things you should begin to do, is to recognize what identifies those classes of algorithms, so you can map your problems into those ranges.
你们现在开始要做的事情之一，就是要学会辨别这些算法,这样你就能为你的问题，选择对应种类的算法了。
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So in your mind, if you are now the computer program and you are executing this thing from top to bottom, what just has happened verbally is we are stepping into the line of code that says sort left half of elements.
在你们看来，如果你现在是计算机程序,正在从上到下执行一系列指令，刚才所发生的就是我们现在已执行到了这行代码,它告诉你要对左半部分的元素排序。
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And those are two things that you'd like to do with every looping construct you write: you'd like to be able to assure yourself that they will always terminate, and then the second thing you'd like to do, is to assure yourself that it does give you back a reasonable answer.
就是现在我有了能去检查程序,是不是做了正确的操作的能力：,这就是你们在写每个循环程序的时候,都要注意的两个事情：,第一件事情是要确保程序可以终结，第二件你要做的事情,就是要确保程序返回了正确的答案。
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And so a group if these sea peoples comes in and occupies this area They will be the Philistines, the area that is now the Gaza Strip And they found the five Philistine cities that you will hear about increasingly in the book of Judges: Gaza, Ashkelon, Gath, Ashdod and Ekron.
这样一个部族，如果海上来的民族到达并占领此地,他们就是腓利士人，而这地区就是现在的加沙地带,他们发现了五座腓利士城市,你们在《士师记》中会经常听到这些名字：,加沙，阿什克伦，迦特，阿什杜德，以革伦。
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But it's often seemed to people that if we really believe that death is the end-- and that's the assumption that I'm making here on out-- if we really believe death is the end, how can death be bad for me?
但是通常我们都会认为死亡就是终结-,我现在所设定的条件就是-,如果我们真的相信死亡就是终点，死亡对我来说有什么不好呢？
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That gets us to the smart thief. Why is this thief smart? Because she took 600. And she learned 600 that in fact there is a good way to solve this problem. And that's what we're going to talk about next. And that's something called dynamic programming.
现在我们要当聪明的贼,这个贼为什么聪明呢？,因为它选择了,它知道这事实上是解决这个问题的好方法,这就是我们接下来要讲的,也就是动态编程。
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