[SI-LIST] Re: Fibre channel interconnect margins
- From: Paul Levin <levinpa@xxxxxxxxxxxxx>
- To: a.ingraham@xxxxxxxx
- Date: Mon, 17 Jul 2006 11:00:59 -0700
Andrew,
If you invoke L'Hopitals' rule, the derivative of both numerator and
denominator is 1 as x approaches zero. Thus, the limit of sin(x)/x as x
approaches 0 is truly 1, despite the fact that at 0, you have a div0
"problem." Mathematics will truly hurt your head.
Regards,
Paul Levin
Xyratex
_____________
Andrew Ingraham wrote:
>> Maybe the safest approach to return to the mathematics. An interesting
>> perspective is the limit of sinx/x when x-->0? It is 1, but does not
>> equal 1. sin(0)/0=0/0=0 doesn't it?
>
> No it doesn't. 0/0 is undefined, it has no value.
>
> 0/n = 0, EXCEPT when n is 0. m/0 is undefined for any m.
>
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