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-   -   Why is N so large? (question 1,2) (http://book.caltech.edu/bookforum/showthread.php?t=956)

 Dan Elbert 08-06-2012 02:12 PM

Why is N so large? (question 1,2)

Hi
In the lecture, the professor gave a rule of thumb that N>~10*Dv.c. in order to get a reasonable error.
But in these calculations, we see that N has to be much larger than that.
Why is so? Can anybody explain?

Thanks
Dan

 yaser 08-06-2012 02:53 PM

Re: Why is N so large? (question 1,2)

Quote:
 Originally Posted by Dan Elbert (Post 3841) Hi In the lecture, the professor gave a rule of thumb that N>~10*Dv.c. in order to get a reasonable error. But in these calculations, we see that N has to be much larger than that. Why is so? Can anybody explain?
These calculations use a bound that is admittedly very loose. The rule of thumb gives the practical version of it.

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