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If its in Cartesian form I'll pass in an x and y and compute what a radius and angle is.
来得到的这个点,我都可以得到这个点的,全部的这种信息。
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If it's in polar form I passed in a radius and angle and I'll compute what the x- and y- value is.
以及半径和角度,但是现在是这样的,不管我是以哪种形式。
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3 >> Okay. I'll just go over here to y and get the number 13 set up and then take the wand of dereferencing and just, whoa.
>，好的，我将到y这里，然后存储数字,然后使用魔杖，哇哦。
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So we're going to call this the sigma 2 p x star, or if we're talking about the 2 p y orbitals we'll call this the pi 2 p x star, and the pi 2 p y star.
我们叫这个sigma2px星，或者如果我们说的是π2py轨道的话,我们叫这个2px星，这个π2py星。
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If I draw this down this this point is this year's income down here and this point here is next year's income; I'll use Y for income.
过这点画一条x轴的垂线,表示今年的收入,再画一条y轴的垂线,表示下一年的收入,我用y表示收入
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First thing you can tell is that if you find the length of this vector, you'll find the square of the x and the square of the y.
首先你可以知道的是,如果你已有了这个矢量的模长,你就可以得到 x 和 y 分量的平方
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How would we go about, I mean I don't want to do it because I'll probably get it wrong, but if I wanted to solve out for this X and the Y, since this is a QR class, let's just talk about it a second.
我们怎么解呢,我的意思是我现在不会去计算,因为我可能会算错,但是如果你真的很想解出X和Y的值,介于这是一节需要快速反应的课,那我们花些时间来探讨一下吧
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Let's create a graph here that on the x axis it's going to be time, so time zero will be when you first take in a food and then one hour later, two hours later will be shown as you go from left to right, and then we'll have blood glucose level up on the y axis.
我们在这建立一个曲线图,X轴代表的是时间,所以零时间点是你第一次进食的时间,然后一小时以后,两小时以后,是从左到右呈现在图表上的,在Y轴上是你的血糖值
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Now get int *y so now I'll use the board for things I can't really draw very well with the keyboard so what does the memory of my program look like at the moment?
现在，=，int，*y，现在我使用黑板,我用键盘画的不是很好,那么此刻，我程序中的内存看起来像什么？
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And I'll give it an x value of 3 3 and a y value of 4.
一个笛卡尔坐标3,然后给p2的x坐标赋值为。
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