Re: Cross results?

*To*: mathgroup at smc.vnet.net*Subject*: [mg63223] Re: Cross results?*From*: Paul Abbott <paul at physics.uwa.edu.au>*Date*: Mon, 19 Dec 2005 07:01:37 -0500 (EST)*Organization*: The University of Western Australia*References*: <do3l7r$o0b$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

In article <do3l7r$o0b$1 at smc.vnet.net>, Virgil Stokes <virgil.stokes at it.uu.se> wrote: > I have the following > > x=. > Cross[{10 Sin[x],-10 Cos[x],2.5},{0.12 Sin[x],-0.12 Cos[x], 0.0}] > > which gives, > > {0.3 Cos[x], 0.3 Sin[x], 0.Cos[x]Sin[x]} > > why does it not set the last term to 0.0? Mathematica does not automatically simplify expressions such as 0. x Use Chop to force the desired simplification. Cheers, Paul _______________________________________________________________________ Paul Abbott Phone: 61 8 6488 2734 School of Physics, M013 Fax: +61 8 6488 1014 The University of Western Australia (CRICOS Provider No 00126G) AUSTRALIA http://physics.uwa.edu.au/~paul