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MathGroup Archive 2005

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Re: piecewise vs which

  • To: mathgroup at
  • Subject: [mg60248] Re: piecewise vs which
  • From: Helen Read <hpr at>
  • Date: Thu, 8 Sep 2005 04:53:43 -0400 (EDT)
  • References: <df9437$620$> <dfbfl4$isf$> <dfiutv$p7f$> <> <dfm7jr$h8q$>
  • Reply-to: read at
  • Sender: owner-wri-mathgroup at

Chris Chiasson wrote:
> If you control the computers the students will use, write a package
> for that function, and then have it autoload. Disclose to the students
> that for reasons out of the scope of their present work, that they
> will have to use your limit function - which tests from both
> directions.

The students use Mathematica everywhere -- all over campus, on their own 
computers at home, etc. Even if it were possible to implement such a 
thing, it just wouldn't be worth it. It's not like the behavior of Limit 
is the end of the world or anything. It doesn't give the result we want 
in some circumstances, so we just use it carefully and pay attention to 
what we are doing.

Helen Read
University of Vermont

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