Re: When is a List not a List?
- To: mathgroup at smc.vnet.net
- Subject: [mg90981] Re: When is a List not a List?
- From: roby.nowak at gmail.com
- Date: Fri, 1 Aug 2008 03:02:05 -0400 (EDT)
- References: <g6rntk$7kj$1@smc.vnet.net>
On 31 Jul., 09:00, AES <sieg... at stanford.edu> wrote:
> g[x_, n_] := x^n
> FullForm[Table[g[x, n], {n, 1, 2}]]
> FullForm[{g[x, 1], g[x, 2]}]
> Plot[{g[x, 1], g[x, 2]}, {x, 0, 1}, PlotStyle -> {Red, Blue}]
> Plot[Table[g[x, n], {n, 1, 2}], {x, 0, 1}, PlotStyle -> {Red, Blue}]
>
> The FullForm[]s are identical. One Plot[] has red and blue curves; the
> other has two blue curves.
>
> Quirky!
Plot[Evaluate[Table[g[x, n], {n, 1, 2}]], {x, 0, 1},
PlotStyle -> {Red, Blue}]
Don't ask why ....
Has something to do with:
Attributes[Plot]
Attributes[Table]
Out[28]= {HoldAll, Protected}
Out[29]= {HoldAll, Protected}