Re: Preventing Times[x,x] from becoming Power[x,2]

*To*: mathgroup at smc.vnet.net*Subject*: [mg53686] Re: Preventing Times[x,x] from becoming Power[x,2]*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Sun, 23 Jan 2005 02:02:16 -0500 (EST)*References*: <csqs3u$1te$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Josef Karthauser wrote: > I was wondering whether anyone knows the answer to this one. > > I've got a function, let's call it F[...]. If I enter F[s] F[s] > into mathematica it "simplifies" the resulting expression, making it > become Power[F[s],2]. Is there any way to prevent this automatic > simplification on F[] objects? > > Joe Hi, The fact that you don't want that simplification to take place suggests to me that you do not intend F[s]F[s] to mean ordinary multiplication. In that case, it would be better to use one of the unassigned operators (such as \[CircleTimes]) to represent 'not multiplication'. You obviously will not get spurious simplifications, and you can define the tru behaviour as you want. David Bailey dbaileyconsultancy.co.uk