[Date Index] [Thread Index] [Author Index]

simple vactor magitude question

• To: mathgroup at smc.vnet.net
• Subject: [mg43754] simple vactor magitude question
• From: Nathan Moore <nmoore at physics.umn.edu>
• Date: Fri, 3 Oct 2003 02:28:42 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Suppose I generate a 1-d vecctor of "N" numbers, p[i], and now I want to
find the sum of (the vector element * index).  I think the syntax should look
something like,

Sum[p[i]*i,{i,0,N}]

but this doesn't seem to be the correct syntax - any help would be
appreciated.

Nathan Moore,
University of Minnesota Physics