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Re: Defining function


Ravi:

Try using If[p,q,r]

myFunc[t_] := If[t>0, Exp[-I*t], 0]

But there are many other ways to do this also.

Hans
"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
>


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