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MathGroup Archive 2002

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Re: problems with the definition of a function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg36674] Re: problems with the definition of a function
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 18 Sep 2002 02:10:13 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <am3n85$6tk$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

Clear[f]
f[0, _] := q
f[Pi, _] := p
f[2Pi, _] := r
f[x_, y_] := x^2*y^2

???

Regards
  Jens

fabio bagarello wrote:
> 
> Hi there!!
> I have quite an easy and annoying problem with mathematica:
> I need to define a function f(x,y) which takes some values for
> x=0,2pi,4pi (indepently of y) and has a different expression for all
> the other values of y. This is easily done for one-dimensional
> functions but I am in serious troubles for my two-dimensional problem:
> any suggestion?
> Thanks a lot,
> Fabio


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