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MathGroup Archive 2007

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Re: How come doesn't this work?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg75752] Re: How come doesn't this work?
  • From: Szabolcs <szhorvat at gmail.com>
  • Date: Wed, 9 May 2007 04:48:27 -0400 (EDT)
  • Organization: University of Bergen
  • References: <f1phau$i6i$1@smc.vnet.net>

Anolethron wrote:
> I know I have to put Evaluate In but it doesn't work still.
> Taylor[n_] := Normal[Series[ArcTan[x], {x, 0, n}]]
> 
> F = ArcTan[x]
> Grafico[n_] =
> Plot[{F, Taylor[n]} // Evaluate, {x, -Pi, Pi},
> DisplayFunction -> $DisplayFunction]

Try using := instead of =
grafico[n_] := Plot[{F, Taylor[n]} // Evaluate, {x, -Pi, Pi}]

Read about Set and SetDelayed in the Help Browser.

http://reference.wolfram.com/mathematica/tutorial/ImmediateAndDelayedDefinitions.html


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