Re: Approximation

*To*: mathgroup at smc.vnet.net*Subject*: [mg116475] Re: Approximation*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Wed, 16 Feb 2011 04:37:39 -0500 (EST)

Perhaps something like Normal[Series[expr /. R -> k*G, {k, 0, 1}]] /. k -> R/G Bob Hanlon ---- Rui <rui.rojo at gmail.com> wrote: ============= Is there a way to tell Mathematica to simplify and approximate an expression assuming things such as "R is a lot smaller than G"/ R<<G ? If not so, how would you approach the problem? Thanks