- To: mathgroup at smc.vnet.net
- Subject: [mg51032] wierd differential
- From: "YOUNGWHAN" <ywsong at buffalo.edu>
- Date: Sat, 2 Oct 2004 03:18:04 -0400 (EDT)
- Organization: The University at Buffalo
- Sender: owner-wri-mathgroup at wolfram.com
When I put \!\(D[1 - e\^\(\(-2\) \((y + 1)\)\), y]\) and, the result \!\(2\ e\^\(\(-2\)\ \((1 + y)\)\)\ Log[e]\) why Log[e] is added?