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MathGroup Archive 2005

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Re: limit problem

  • To: mathgroup at
  • Subject: [mg58942] Re: [mg58910] limit problem
  • From: stephen layland <layland at>
  • Date: Sun, 24 Jul 2005 01:22:01 -0400 (EDT)
  • References: <>
  • Sender: owner-wri-mathgroup at

and thus spake Chris Chiasson [2005.07.23 @ 05:08]:
> Dear MathGroup,
> Honestly, I see no reason why this should return "unevaluated" instead of zero.
> FullSimplify[Limit[E^(-R t),t\[Rule]Infinity],Infinity>R>0&&Element[R,Reals]]

I do.  Limit doesn't know anything about R and FullSimplify only applies
known transformation rules (which, to my knowledge, don't mess with
expressions of head Limit[]) to the expression passed in.  

Pass Assumptions to Limit instead.

|        stephen layland         |
|    Documentation Programmer    |
| |

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