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Re: 5 variables Guass isnt working, matrix solution


This does what you want:

eqns = {5*a - c - d - e == 1/2, 4*b - c - e == 1,
6*c - a - b - d - e == 1, 4*d - a - c == 1,
5*e - a - b - c == 3/2}

Solve[eqns, {a, b, c, d, e}]

{{a -> 19/46, b -> 12/23, c -> 1/2, d -> 11/23, e -> 27/46}}

Steve Luttrell

"roger" <roger at banditorange.com> wrote in message 
news:chbm20$rnt$1 at smc.vnet.net...
> 5a-c-d-e  =0.5
> 4b-c-e    =1
> 6c-a-b-d-e=1
> 4d-a-c    =1
> 5e-a-b-c  =1.5
>
> Solve for a,b,c,d, and e.   Guass inversion isnt working.
>
> Maybe a matrix solution.
> 



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