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Blank plot returned from simple expression

• To: mathgroup at smc.vnet.net
• Subject: [mg125196] Blank plot returned from simple expression
• From: Vincent <sheeplane at gmail.com>
• Date: Tue, 28 Feb 2012 00:45:11 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

I'm using Mathematica 8.0.0, and I'm having trouble understanding why
Plot[Im[(-1)^x], {x, 0, 2}]
returns a blank plot while
ListPlot[Table[Im[(-1)^x], {x, 0, 2, 0.1}]]
returns the expected plot.

Anyone who can enlighten me about what's going on?

• Follow-Ups:
  • Re: Blank plot returned from simple expression
    • From: Tomas Garza <tgarza10@msn.com>
  • Re: Blank plot returned from simple expression
    • From: Bob Hanlon <hanlonr357@gmail.com>