Re: what's wrong with this?!!
- To: mathgroup at smc.vnet.net
- Subject: [mg114933] Re: what's wrong with this?!!
- From: Roland Franzius <roland.franzius at uos.de>
- Date: Thu, 23 Dec 2010 03:54:00 -0500 (EST)
- References: <iesa09$abk$1@smc.vnet.net>
Am 22.12.2010 08:39, schrieb olfa:
> Hi mathematica community,
>
> this is the system to solve:
> Reduce[
> Element[{iP, N}, Integers]&&
> Not[(iP< N)]&&
> Exists[{iPP}, (iPP< N)&& iP == iPP + 1],
> {iP}, Backsubstitution -> True]
>
> the output is:
> (N | iP) =E2=88=88 Integers&& N =E2=89=A4 iP< 1 + N
>
> but it should be:
> iP==N
>
> so what's the problem what is missing to get the correct output?
>
> thank you very much.
>
0. commandment of Mathematica: You shall not make wrongful use of N
--
Roland Franzius