Well let me put up some real numbers and we'll see about how much the correspondence to what we've got here.
现在我们用真实的数据,来和我们的结论比对一下
So, he was going after himself, finding out all the companies that were backdating options, trying to beat the SEC and the regulatory authorities to the conclusion.
所以他自己一路研究下去,找出了所有用倒签期权欺诈的公司,然后试图用这个结论,与证券交易委员会和监管机构抗衡
That's the result you use all the time in mechanics.
这是力学上你们经常要用的结论
The argument that eliminates strategies 67 and above, or 68 upwards, that strategy just involves the first lesson of last time: do not choose a dominated strategy, admittedly weak here, but still.
剔除67以上或者68以上的过程,仅仅用到了上堂课所提到的第一个结论,即不要采用劣势策略,虽然这里是弱劣势,但同理
Now, does this jive with our little asymptotic claim here, our little analysis with N notation?
那么这与用N表示法所,得出的结论是否一致呢?
I'm using the fact that when you take a cosine and change the angle inside the cosine, it doesn't care. whereas, if you go to the sine and change the angle inside the sine, it becomes minus sine.
我用了一个结论,当你使用余弦函数时,改变角度的正负,函数值不变,而对于正弦函数,改变角度的符号,则函数值也会变号
Once you do that, I think it's fairly clear that it has got a y component that's given by cosine the x component is negative.
用了这个结论,我想很明显,y 分量由 cos φ 给出,它的 x 分量是负的
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