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MathGroup Archive 2003

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Re: Defining function

  • To: mathgroup at
  • Subject: [mg44573] Re: Defining function
  • From: bobhanlon at (Bob Hanlon)
  • Date: Sat, 15 Nov 2003 02:05:04 -0500 (EST)
  • References: <bovtvd$nbc$>
  • Sender: owner-wri-mathgroup at

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>, "Ravinder Kumar B."
<ravi at> 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

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