Re: solve and Abs

*To*: mathgroup at smc.vnet.net*Subject*: [mg69380] Re: [mg69379] solve and Abs*From*: "Chris Chiasson" <chris at chiasson.name>*Date*: Sun, 10 Sep 2006 07:19:45 -0400 (EDT)*References*: <200609090727.DAA21772@smc.vnet.net>

AFAIK, it just means solve couldn't find a solution. On 9/9/06, Richard J. Fateman <fateman at eecs.berkeley.edu> wrote: > Is there a reason (in 5.1) for Solve[x-Abs[x]==0,x] to return {{}}? > This supposedly means all variables can have all possible values. > > Reduce does better. > > -- http://chris.chiasson.name/

**References**:**solve and Abs***From:*"Richard J. Fateman" <fateman@eecs.berkeley.edu>