Re: How come doesn't this work?

*To*: mathgroup at smc.vnet.net*Subject*: [mg75731] Re: How come doesn't this work?*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Wed, 9 May 2007 04:36:56 -0400 (EDT)*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] > > > If you write Grafico[n_]:= (rather than =) you will define your function Grafico, and you can use it: Grafico[5] Remember that if you use = the right hand side gets evaluated at once - even though n does not have an integer value. David Bailey http://www.dbaileyconsultancy.co.uk