Re: Q??: Solve::"eqf": "False is not a well-formed equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg8547] Re: [mg8516] Q??: Solve::"eqf": "False is not a well-formed equation*From*: "w.meeussen" <meeussen.vdmcc at vandemoortele.be>*Date*: Sat, 6 Sep 1997 23:16:14 -0400*Sender*: owner-wri-mathgroup at wolfram.com

the well formed eqn should contain the variable to solve for: Solve[{0,0}==x {0.,1.}+{1.,1.} , x] with {0,0}==x {0.,1.}+{1.,1.} expanded to: {0, 0} == {1. + 0. x, 1. + 1. x} or {0 == 1. + 0. x, 0== 1. x + 1.} representing a set of two equations. wouter. At 02:20 4-09-97 -0400, Gadi Oron wrote: >Hello all. > >I have this strange behaviour of MMA that bugs me: > >Solve[{0,0}==x {0.,1.}+{1.,1.}] > >gives > >Solve::eqf : False is not a well-formed equation. > >But... > >Solve[False] > >gives (normal) > >{} > >and > >Solve[{0,0}==x{0,1}+{1,1}] > >gives (!!!) > >{} > >Can someone clear this point for me? Is there any way to get a {} in the >first case? > >See ya. > > >/\/\/\/\/\/\/\/\/\/\/\/>> Gadi ORON <<\/\/\/\/\/\/\/\/\/\/\/\/\ >| EMAIL : oron at pmmh.espci.fr :::: oron at clipper.ens.fr | >| Homepage : http://pmmh.espci.fr/~oron/personal.html | >| fido : 2:325/302.8 | >| Soyez braves - be brave. | >/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ > > > > > > Dr. Wouter L. J. MEEUSSEN eu000949 at pophost.eunet.be w.meeussen.vdmcc at vandemoortele.be