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Let me write a function, in fact the literal thing I would do is to say, identify the things that change, give each of them a variable name because I want to refer to them, and then write a function that captures the rest of that computation just with those variable names inside.
让我来写个方法,实际上我的意思是，辨别出变化的东西,然后给它们逐个命名以区分,然后写一个用来计算,这些变量的,包括计算过程的方法。
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And then I'll create this function, d1 this distribution d 1, which will, whenever I call it, give me a random, a uniformly selected value between minus and plus volatility.
然后我会创建这个函数，这个概率分布，每次我调用这个函数的时候，他会给我返回一个随机的，按照均匀分布,从正负浮动值之间选择的值。
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Content is a function -or let me say practical language, the purpose, in other words, of communicating facts or of communicating at all, which we associate with practical language -is a function of poetic language.
他们认为，内容即是功能,实用语言的目的，就是交流，我们总是把交流和实用语言联系,但其实它也是诗歌语言的功能。
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I have yet to show you the solution to a wave function for the hydrogen atom, so let me do that here, and then we'll build back up to probability densities, and it turns out that if we're talking about any wave function, we can actually break it up into two components, which are called the radial wave function and angular wave function.
我还没有给你们看过,氢原子波函数的解，让我现在给你们看一下，然后再来说,概率密度，实际上,对于任何一个波函数来说，我们可以把它,分解为两部分，分别叫做径向波函数,和角向波函数。
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So even though increment is obviously increment declared and defined in this function, it's later; so it's too late for me to use it in main.
很明显，即使在这个函数中,已经声明和定义;,也太迟了，以至于，我在main函数中不能使用它。
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I would say, okay, this guy wants me to find a function which reduces to the number a when I take two derivatives, and I know somewhere here, this result, which says that when I take a derivative, I lose a power of t.
出题者想要我找出一个函数,它在经过两次求导后得到数字a,我知道这里的某个地方,这个结论告诉我,我每求一次导,t就降一次幂
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Actually for that, I can just use, if I'm lucky, function F5, which didn't work, so let me try it again,here we go.
实际上这一次，我是想用用，如果我够幸运的话，用下F5，噢，怎么不灵，让我再试试，好了。
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