Re:Help please: Summing a list

*To*: mathgroup at smc.vnet.net*Subject*: [mg13515] Re:[mg13480] Help please: Summing a list*From*: Tomas Gargz <tgarza at mail.internet.com.mx>*Date*: Fri, 31 Jul 1998 04:33:29 -0400*Sender*: owner-wri-mathgroup at wolfram.com

robpeterson at iname.com wrote: >I make a list of numbers, eg: >P=Table[6,{x,0,110}]; (I have a more interesting list to use later if I >get this working) >Now I want to make another list PP in which each entry PP[[i]] is the >sum of P's first i entries. I try >PP[[i]]:=Sum[P[[n]],{n,0,i}]; Rob: Try FoldList[Plus, 0, P] Alternatively, the Standard AddOn Statistics DataManipulation has a function CumulativeSums. Good luck Tomas Garza Mexico City