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And we want to divide all of that by our wavelength, and to keep our units the same we'll do meters.
我们想用波长除以所有这些，而且保持单位统一我们采用米。
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You divide and you find it's 9 and you say, "Okay, I know what to do with Newton's laws."
除一下,会得到 9,然后你说,"好了,我会用牛顿定律了"
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In fact, my program crashes because I end up trying to divide by zero, a really bad thing. Hint: if you implement Newton's method, do not make your first guess zero.
我下一步都没法开始,实际上，我的程序会崩溃，因为我试着去除0了，真糟糕,提示你：如果你想用牛顿的方法，第一个猜想数别设为0。
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If you tried to do one alone it would not work, so we decided to divide it up imperfectly and there may be some repetition between our two courses.
非要分开单独来学的话是不可行的,所以我们只能退而求其次,分割后的两门课可能会有重复的部分
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And then in the even case I've got to do a square and the divide.
如果是偶数情况的话,我还要再做一次除法和求平方。
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Right, that divide is, if x is an integer and two is an integer, what's it going to do?
好，这个除法意思是，如果x是个整数而2也是个整数，那么会怎么操作呢？
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first So what do I do? I find the midpoint by taking last minus first, divide by 2, and add to start.
要怎么做？我把last减去,除以二，加到起点上去。
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