Re: Defining function

*To*: mathgroup at smc.vnet.net*Subject*: [mg44573] Re: Defining function*From*: bobhanlon at aol.com (Bob Hanlon)*Date*: Sat, 15 Nov 2003 02:05:04 -0500 (EST)*References*: <bovtvd$nbc$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

f[t_] := UnitStep[t]*Exp[-I*t]; Table[f[n], {n,-2,2}] {0, 0, 1, E^(-I), E^(-2*I)} Bob Hanlon In article <bovtvd$nbc$1 at smc.vnet.net>, "Ravinder Kumar B." <ravi at crest.ernet.in> wrote: << How to define a function over two different ranges in mathematica. For example f(t):= Exp[-i*t] for t > 0 and = 0 for t < 0 >><BR><BR>