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When is a List not a List?

• To: mathgroup at smc.vnet.net
• Subject: [mg90947] When is a List not a List?
• From: AES <siegman at stanford.edu>
• Date: Thu, 31 Jul 2008 02:56:41 -0400 (EDT)
• Organization: Stanford University

   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!

• Follow-Ups:
  • Re: When is a List not a List?
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>