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Re: Defining function


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>


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