He adds "While I feel like I'm starting over again as a novice, it's a welcome sacrifice in regaining some of the excitement I felt years ago."
VOA: standard.2010.04.12
And, in fact, since we're going to reuse this again and again during today's lecture, I'm going to put it over here and leave it sacrosanct for our further use.
实际上,因为我要,一遍又一遍的用到这个公式,我会把它放在这里,以强调其会被不断使用的神圣地位。
If I know I'm going to need something over and over again, I squirrel it away somewhere and then get it back when I need it.
如果我知道我将要反复,使用一个东西时,我会把它贮藏起来以后用。
I'm averaging it over the entire set of valence electrons which gives me 1.91 MJ per mole.
我是在整个价电子的集合上作平均,最后得到1。91兆焦每摩尔。
So the fact that I'm erasing it does not mean that the computer erased that memory or over wrote those values with all zeros.
事实上,我清除它的意思,不是说计算机把内存清除,或者用0覆盖这些值。
At my maximum, I'll put a hat over it to indicate this is the argmax; at my maximum I'm going to set this thing equal to 0.
给每个最大值都标注上一个帽来,在最大值处导数方程等于0
You guys have also seen vectors, I'm pretty sure, but it is worth going over some properties and some may be new and some may be old.
我很肯定你们曾接触过矢量,但复习一下相关的性质是很有必要的,有些可能是新知识,有些是已经学过的
For example, in the late 1990s, if you were to ask a question--I'm hypothesizing -how likely is it that the Dow will be over 10,000 by the year 2008?
例如,在90年代末,假如有人问你这样一个问题,道指在2008年底前,突破万点大关的可能性有多大
I want-- I know I'm running you slightly over, I want to do one last example, it's, I also want to be able to do, have variables to store things.
我想-我知道讲的有点多了,我想给大家看最后一个例子,这里我想做的是,通过变量来存储东西。
It's okay. So this first line of code, I will get it started but then I'm gonna have you take over and actually instruct Philip what to do here.
第一行代码就从这里开始,接下来我会让你,接管并指导飞利浦。
And that's what we're going to spend today on, is talking about that topic. I'm going to use it to build over the next couple of lectures.
我们今天也是讲这些内容,而且这些内容,将贯穿我们下面几节课。
That's true, but especially because of my parenthesization 32 over here, because I'm saying, "Do f minus 32, but then multiply it by the division on the left."
是那样的,但是特别地,因为我这里加上了括号,因为我指明,“f减去,然后它乘以左边的那个除法的结果“
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