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MathGroup Archive 2005

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Re: ContourPlot3D and mapping

  • To: mathgroup at
  • Subject: [mg55228] Re: ContourPlot3D and mapping
  • From: <homh at>
  • Date: Thu, 17 Mar 2005 03:28:57 -0500 (EST)
  • Organization: Queen's University, Kingston
  • References: <d0p8ch$j8c$> <d0rp54$2hh$> <d0u75t$koe$> <d19455$npm$>
  • Sender: owner-wri-mathgroup at

Peltio <peltio at> wrote:
> u wrote

>>>     Polygon[p_] :> Block[{r = Mean[p]}, {f[r], Polygon[p]}]

>>and got the error message:

> You don't have Mean defined in your system. Either define it yourself
>     Mean[x_List] := (Plus @@ x)/Length[x]
> or load one of the statistics packages that define it.

> cheers,
> Peltio
> Mean was added to the kernel starting from version 5 I think.

Thanks, that does it!


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