Re: Different cases in Solve

*To*: mathgroup at smc.vnet.net*Subject*: [mg89595] Re: [mg89575] Different cases in Solve*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Sat, 14 Jun 2008 05:29:24 -0400 (EDT)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <200806131011.GAA07773@smc.vnet.net>*Reply-to*: murray at math.umass.edu

Reduce[a x == b, x] (b==0&&a==0)||(a!=0&&x==b/a) Aaron Fude 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 > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305

**References**:**Different cases in Solve***From:*Aaron Fude <aaronfude@gmail.com>