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Re: integer solution

  • To: mathgroup at smc.vnet.net
  • Subject: [mg62021] Re: [mg61988] integer solution
  • From: <bsyehuda at gmail.com>
  • Date: Wed, 9 Nov 2005 03:45:42 -0500 (EST)
  • References: <200511080841.DAA27884@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,
You may try FindInstance[]
FindInstance[{s + d + t + q == 10, 6s + 3d + 2t + q == 30, s > 0, d > 0,
t > 0, q > 0}, {s, d, t, q}, Integers]
and get (the rather trivial) solution

{{s -> 2, d -> 4, t -> 2, q -> 2}}


yehuda
On 11/8/05, bd satish <bdsatish at gmail.com> wrote:
>
>
> I want to find the integral solutions of the following two equations:
> s + d + t+q =10 ; # two equations
> 6s + 3d + 2t + q = 30 ; # 4 unknowns
> I want only those solutions for which
> s>0 d>0 t>0 q>0
>
>


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