Re: "Alternating" function
- To: mathgroup at smc.vnet.net
- Subject: [mg63280] Re: "Alternating" function
- From: David Bailey <dave at Remove_Thisdbailey.co.uk>
- Date: Thu, 22 Dec 2005 00:04:43 -0500 (EST)
- References: <doamp5$em8$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hello,
Try
Fold[x + (-1)^#2*f[#1] & , x, Range[{5}]]
David Bailey
http://www.dbaileyconsultancy.co.uk