Re: 5 variables Guass isnt working, matrix solution
- To: mathgroup at smc.vnet.net
- Subject: [mg50464] Re: 5 variables Guass isnt working, matrix solution
- From: "Steve Luttrell" <steve_usenet at _removemefirst_luttrell.org.uk>
- Date: Sun, 5 Sep 2004 03:53:40 -0400 (EDT)
- References: <chbm20$rnt$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
This does what you want:
eqns = {5*a - c - d - e == 1/2, 4*b - c - e == 1,
6*c - a - b - d - e == 1, 4*d - a - c == 1,
5*e - a - b - c == 3/2}
Solve[eqns, {a, b, c, d, e}]
{{a -> 19/46, b -> 12/23, c -> 1/2, d -> 11/23, e -> 27/46}}
Steve Luttrell
"roger" <roger at banditorange.com> wrote in message
news:chbm20$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.
>