Re: rules->function

*To*: mathgroup at smc.vnet.net*Subject*: [mg7383] Re: rules->function*From*: pecora at zoltar.nrl.navy.mil (Louis M. Pecora)*Date*: Fri, 30 May 1997 01:19:27 -0400 (EDT)*Organization*: Naval Research Laboratory*Sender*: owner-wri-mathgroup at wolfram.com

In article <5mepea$aom at smc.vnet.net>, Lord of Darkness <j.biddiscombe at rl.ac.uk> wrote: > If I solve a set of simultaneous equations and get a simple answer like > zrule = z-> x^2 + y^2 > > but I then want to evaluate > fn[x_,y_] := z + some more stuff..... Try fn[x_,y_] := z + some more stuff..... /.zrule There may be a more efficient way of doing this. > I tried saying > > fn[x_,y_] := Replace[z,zrule] + .... Just a guess, but I bet Replace means "->", so zrule in the Replace[] should just be x^2 + y^2. -- Louis M. Pecora pecora at zoltar.nrl.navy.mil == My views and opinions are not those of the U.S. Navy. == == No Spamming or Soliciting -- both are illegal at this site == -------------------------------------------------------------------- * The home page for the 4th Experimental Chaos Conference! * *** List of -- Invited Speakers and Sessions -- *** + Other links: http://natasha.umsl.edu/Exp_Chaos4 --------------------------------------------------------------------- "God does not play dice with the universe, but he occasionally racks up the planets for a game of billiards."