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MathGroup Archive 2006

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Re: simplifying inequalities

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72289] Re: [mg72272] simplifying inequalities
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Mon, 18 Dec 2006 06:56:13 -0500 (EST)
  • Reply-to: hanlonr at cox.net

ineq=beamLength>5 x&&2 beamLength>5 x&&3 beamLength>5 x&& 
    4 beamLength>5 x;

assum=beamLength>x>0;

Simplify[Reduce[ineq&&assum, x], assum]

beamLength>5 x


Bob Hanlon

---- Chris Chiasson <chris at chiasson.name> wrote: 
> Why isn't the result of this command,
> 
> FullSimplify[
>   beamLength>5 x&&2 beamLength>5 x&&3 beamLength>5 x&&
>     4 beamLength>5 x,{beamLength>x>0}]
> 
> , equal to beamLength>5x?
> 
> Mathematica just returns all the inequalities as input. Can something
> be done about this?
> 
> -- 
> http://chris.chiasson.name/
> 

--

Bob Hanlon
hanlonr at cox.net



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