Re: Defining function
- To: mathgroup at smc.vnet.net
- Subject: [mg44546] Re: Defining function
- From: "Chia-Ming" <yucalf at mail.educities.edu.tw>
- Date: Fri, 14 Nov 2003 01:58:38 -0500 (EST)
- Organization: DCI HiNet
- References: <bovtvd$nbc$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Dear Ravi, I guess what the following shows is what you want: f[t_] := Which[t > 0, E^(-i*t ), t < 0, 0] You can check that f[1] yields the output E^(-1), and f[-1] yields output 0. Good luck! Chia-Ming Yu "Ravinder Kumar B." <ravi at crest.ernet.in> ¦b¶l¥ó news:bovtvd$nbc$1 at smc.vnet.net ¤¤¼¶¼g... > Dear All, > 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 > > Your response/clarification will be deeply appreciated. > Regards, > Ravi >