Re: Summary: Which[] as Textbook Input, Plot[] Questions

*To*: mathgroup at smc.vnet.net*Subject*: [mg54053] Re: Summary: Which[] as Textbook Input, Plot[] Questions*From*: Joel Storch <jstorch at earthlink.net>*Date*: Wed, 9 Feb 2005 09:27:25 -0500 (EST)*References*: <cua5gn$hhl$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

you can use the conditional operator "/;" f[x_]:=Sin[x]/x/;x>0 f[x_]:=Sin[x]/x/;x<0 f[x_]:=1/;x==0 Alternatively, the following will also work Clear[f] f[0]:=1 f[x_]:=Sin[x]/x