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January 4th, 2014, 12:33 AM   #1
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find solution

find solution :



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January 4th, 2014, 01:13 AM   #2
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Re: find solution

I only find (3, 2, 2, 2) after invoking a numerical search. Perhaps this can be approached by noting that x, y, z < w and / or analysing errors of x, y, z with 1/3 * w / etc...?
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January 7th, 2014, 03:17 AM   #3
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Re: find solution

let :

we have :


we get :
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