Re: How come doesn't this work?
- To: mathgroup at smc.vnet.net
- Subject: [mg75714] Re: How come doesn't this work?
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Wed, 9 May 2007 04:27:37 -0400 (EDT)
- Organization: The Open University, Milton Keynes, UK
- 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]
Define Graphico with SetDelayed (as you have done for Taylor) rather
than Set.
Taylor[n_] := Normal[Series[ArcTan[x], {x, 0, n}]]
F = ArcTan[x];
Clear[Grafico]
Grafico[n_] := Plot[Evaluate[{F, Taylor[n]}],
{x, -Pi, Pi}, DisplayFunction -> $DisplayFunction]
Grafico[4];
Regards,
Jean-Marc