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MathGroup Archive 2005

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Re: Re: piecewise vs which

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60200] Re: [mg60181] Re: piecewise vs which
  • From: Chris Chiasson <chris.chiasson at gmail.com>
  • Date: Wed, 7 Sep 2005 04:03:58 -0400 (EDT)
  • References: <df9437$620$1@smc.vnet.net> <dfbfl4$isf$1@smc.vnet.net> <dfiutv$p7f$1@smc.vnet.net> <200509060526.BAA28125@smc.vnet.net>
  • Reply-to: chris.chiasson at gmail.com
  • Sender: owner-wri-mathgroup at wolfram.com

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.

On 9/6/05, Helen Read <hpr at together.net> wrote:
> Peter Breitfeld wrote:
> > Helen Read schrieb:
> >
> >>For purposes of teaching calculus students,
> >>where we are only concerned with real numbers and are not taking limits
> >>in the complex plane, I would like Limit to check from both directions.
> >
> > Why don't you write a little function to test the equality of both
> > limits, like this:
> 
> [snip]
> 
> My point was that I would like a *built-in* function for finding
> two-sided limits (along the real line) that would be easy for beginning
> calculus students to use.
> 
> --
> Helen Read
> University of Vermont
> 
> 


-- 
Chris Chiasson
http://chrischiasson.com/
1 (810) 265-3161


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