Dealing with sums
- To: mathgroup at smc.vnet.net
- Subject: [mg40995] Dealing with sums
- From: Stepan Yakovenko <yakovenko at ngs.ru>
- Date: Sun, 27 Apr 2003 03:21:08 -0400 (EDT)
- Reply-to: Stepan Yakovenko <yakovenko at ngs.ru>
- Sender: owner-wri-mathgroup at wolfram.com
HI! I want to get a derivative in terms of KroneckerDelta function: \!\(\[PartialD]\_\(a\_3\)\(\[Sum]\+\(i = 0\)\%N a\_i\)\) But I get 0. Is there a way to do it in Mathematica ? -- Best regards, Stepan mailto:yakovenko at ngs.ru