Re: simplifying inequalities
- To: mathgroup at smc.vnet.net
- Subject: [mg72326] Re: simplifying inequalities
- From: "dimitris" <dimmechan at yahoo.com>
- Date: Tue, 26 Dec 2006 06:02:39 -0500 (EST)
- References: <33432688.1166365192302.JavaMail.root@eastrmwml08.mgt.cox.net>
In[61]:= Simplify[Reduce[beamLength > 5*x && 2*beamLength > 5*x && 3*beamLength > 5*x && 4*beamLength > 5*x && beamLength > x > 0, beamLength], x > 0] Out[61]= beamLength > 5*x Dimitris Chris Chiasson wrote: > Thanks > > On 12/17/06, Bob Hanlon <hanlonr at cox.net> wrote: > > 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 > > > > > > > > > -- > http://chris.chiasson.name/