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Re: Defining function

• To: mathgroup at smc.vnet.net
• Subject: [mg44549] Re: Defining function
• From: "Robert Pitscheneder" <MrPitschREMOVE at comcast.net>
• Date: Fri, 14 Nov 2003 01:58:40 -0500 (EST)
• References: <bovtvd$nbc$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Ravi,

that should do it, if I am no mistaken..

f[t_] := If[t >= 0, Exp[- i * t], 0];

Robert


"Ravinder Kumar B." <ravi at crest.ernet.in> wrote in message
news:bovtvd$nbc$1 at smc.vnet.net...
> 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
>