Re: Simlifying Sqrt[x^2] type args.

*To*: mathgroup at smc.vnet.net*Subject*: [mg24581] Re: Simlifying Sqrt[x^2] type args.*From*: Harald Giese <giese at ifm.uni-hamburg.de>*Date*: Tue, 25 Jul 2000 00:56:13 -0400 (EDT)*Organization*: Institut fuer Meereskunde, Universitaet Hamburg*References*: <8lgsmk$2d0@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Jaime Morales wrote: > > I am curious if there is a way to do symbolics in mathematica > where objects like > > Sqrt[k^2 r^2 Sin[theta]^2] > > are set to > > k r Sin[theta] > Hi Jaime, If k and r are real values >= 0, then you can try to specify this in advance as for Simplify: Simplify[Sqrt[k^2 r^2 Sin[theta]^2], {k >= 0, r >= 0}] Hope that helps, Harald -- Harald Giese Email: giese at ifm.uni-hamburg.de Phone: +49 (0)40 42838 5796; Fax: +49 (0)40 5605724 Institut fuer Meereskunde der Universitaet Hamburg (Institute of Oceanography of the University of Hamburg) Troplowitzstrasse 7, D-22529 Hamburg