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MathGroup Archive 2003

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Re: Part 2 of a recent post on Plot and v 5

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44392] Re: Part 2 of a recent post on Plot and v 5
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Sat, 8 Nov 2003 04:50:38 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <bofrqa$5ge$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Mariusz,

this "feature" *is* a bug -- basta !
You are complete right.

Regards
  Jens

Mariusz Jankowski wrote:
> 
> Dear colleagues, I recently posted a question about the apparent change to Plot in version 5. I gather from the responses (thank you) that this new feature seemed natural or even desirable. That surprised me, so let me explain.
> 
> I used
> 
> Plot[UnitStep[x], {x, -1, 5}];
> 
> and found that Mathematica chose to display the function in the "more interesting" range of -1<=x<=1.
> 
> My opinion is that an EXPLICITLY given range in any of the graphics commands should not be overridden, under any circumstances. Is there anyone who agrees with me? I would love to hear some of the opinions for and against, especially the former, because I can't think of any.
> 
> Finally, if this indeed is a new feature, can anyone explain the algorithm that is used to choose the "interesting" interval and is it used in any other 2D graphic functions, and density or contour plots?
> 
> Thanks, Mariusz


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