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    Re: Location Center of Responses thus Far
    From: John Germain
    Date: 2001 Jul 23, 9:15 PM

    Standing off beyond the expected launch paths might be advantageous!
    John Germain
    > ** Original Subject: Re: Location Center of Responses thus Far
    > ** Original Sender: WSMurdoch{at}AOL.COM
    > ** Original Date: Tue, 24 Jul 2001 02:43:06 +0100
    > ** Original Message follows...
    > In a message dated 7/23/01 9:05:58 PM Eastern Daylight Time,
    > glendonJLM{at}BIGPOND.COM writes:
    > > Its an optimisation problem isn't it?
    > >
    > > Let x be the unknown location centre
    > > Let D(i) be the great circle distance between the i th member and x
    > > Then we want to choose x such as to:
    > > minimise{sum of [ D(i); i=1-n]}
    > >
    > > or, minimise{sumof[ square of D(i): i=1-n]}
    > > subject to x lying between lat and lon of 0-360
    > >
    > > hmmm, shipping or airline companies must have tackled this one??
    > >
    > Sounds military to me.  Where should I park my guided missile submarine so
    > that the average time of flight to my targets is a minimum ?
    > Bill Murdoch
    >** --------- End Original Message ----------- **
    British Channel Islands

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