Re: 'strange' simplification problems - why?

*To*: mathgroup at smc.vnet.net*Subject*: [mg22993] Re: 'strange' simplification problems - why?*From*: John Doty <jpd at w-d.org>*Date*: Sun, 9 Apr 2000 01:45:55 -0400 (EDT)*Organization*: Wampler-Doty Family*References*: <8cnv5c$5bp@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

lobozc at my-deja.com wrote: > a) lmb^k*(mu^(-1))^k is just a longwinded way of saying (lmb/mu)^k - > and I get the long form also after FullSimplify. What am I doing wrong > here? how could I get that to the simpler form? [short of replacing it > by hand] > FullSimplify[] can't do this: it isn't always valid (see what happens when {lmb->-1,mu->-1,k->1/2}). With integral k it's valid, so: Simplify[lmb^k*(mu^(-1))^k ,Element[k,Integers]] does what you want. -- John Doty "You can't confuse me, that's my job." Home: jpd at w-d.org Work: jpd at space.mit.edu