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Re: Limit Question

• To: mathgroup at smc.vnet.net
• Subject: [mg66467] Re: [mg66452] Limit Question
• From: "M. Park" <mpark4bb at yahoo.co.jp>
• Date: Sun, 14 May 2006 02:58:09 -0400 (EDT)
• References: <200605130642.CAA08939@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

You should use "Assumptions" as follows,
Limit[Exp[-a t],t->Infinity,Assumptions->a>0].
This gives 0.

----- Original Message ----- 
From: "Blimbaum, Jerry CIV NSWC PC" <jerry.blimbaum at navy.mil>
To: mathgroup at smc.vnet.net
Subject: [mg66467] [mg66452] Limit Question


> 
> Why do these give no output?
> 
> Simplify[Limit[Exp[-a t],t->Infinity],a>0]
> 
> and  same for
> 
> Simplify[Limit[Exp[a t],t->Infinity],a<0]
> 
> thanks...
> 
> Jerry Blimbaum 
> 
> 
> 
>
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• References:
  • Limit Question
    • From: "Blimbaum, Jerry CIV NSWC PC" <jerry.blimbaum@navy.mil>