Re: Different cases in Solve

*To*: mathgroup at smc.vnet.net*Subject*: [mg89600] Re: [mg89575] Different cases in Solve*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sat, 14 Jun 2008 05:30:20 -0400 (EDT)*Reply-to*: hanlonr at cox.net

Use Reduce Reduce[a * x == b, x] (b == 0 && a == 0) || (a != 0 && x == b/a) Bob Hanlon ---- Aaron Fude <aaronfude at gmail.com> wrote: > Hi, > > When one does Solve[a x == b, x], one gets {{x -> b/a}}. How does one > get Mathematica to give you different solutions depending on cases: b/ > a if a nonzero, any number if a==b==0, and no solutions if a=0 and b > is nonzero? > > Many thanks in advance! > > Aaron >