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Limit glitch

  • To: mathgroup at
  • Subject: [mg14073] Limit glitch
  • From: Selwyn Hollis <shollis at>
  • Date: Tue, 22 Sep 1998 03:25:05 -0400
  • Organization: fair
  • Sender: owner-wri-mathgroup at

I'm wondering whether this has been covered here before. I just noticed
that Limit often gives wrong results at jump discontinuities. For
example,  Limit[x/Abs[x], x->0]  returns 1. The pattern seems to be
that the right-sided limit is always given.

Does anyone know anything about this?

Dr. Selwyn Hollis
Associate Professor of Mathematics
Armstrong Atlantic State University
Savannah, GA 31419 USA

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