Limit[ E^(a x), x->-Infinity]
- To: mathgroup at smc.vnet.net
- Subject: [mg8970] Limit[ E^(a x), x->-Infinity]
- From: phbrf at t-online.de (Peter Breitfeld)
- Date: Mon, 6 Oct 1997 01:59:39 -0400
- Organization: Telekom Online Internet Gateway
- Sender: owner-wri-mathgroup at wolfram.com
How can I teach MMa to calculate
Limit[ Exp[a x], x-> -Infinity]=0
I tried
a/: Positive[a]=True
but this didn't help. MMa still thinks a to be possibly a complex or a
negative number and returns E^(a -Infinity).
any ideas?
- Peter
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