AW: Sum of list elements

*To*: mathgroup at smc.vnet.net*Subject*: [mg49317] AW: [mg49313] Sum of list elements*From*: Matthias.Bode at oppenheim.de*Date*: Tue, 13 Jul 2004 05:54:07 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Hello Erik, please try: In[22]:= lst01 = {2, 2, 1} Out[22]= {2, 2, 1} In[23]:= sum01 = Plus @@ lst01 Out[23]= 5 In[24]:= lst01/sum01 Out[24]= {2/5, 2/5, 1/5} Best regards, Matthias Bode Sal. Oppenheim jr. & Cie. KGaA Untermainanlage 1 D-60329 Frankfurt am Main GERMANY Tel.: +49(0)69 71 34 53 80 Mobile: +49(0)172 6 74 95 77 Fax: +49(0)69 71 34 95 380 E-mail: matthias.bode at oppenheim.de Internet: http://www.oppenheim.de -----Ursprüngliche Nachricht----- Von: spam at husumtoften.invalid [mailto:spam at husumtoften.invalid] Gesendet: Dienstag, 13. Juli 2004 10:33 An: mathgroup at smc.vnet.net Betreff: [mg49313] Sum of list elements I'm trying to find a function [possibly a way to make a function] which calculate the sum of the elements of a list. Right now, the purpose is to find the relative distribution of the elements of a list. That is, I need a way to get out that the distribution of: {2, 2, 1} is {2/5, 2/5, 1/5}. Had I been able to get the sum of the list elements in this way: Sum[{2, 2, 1}] it could had been done with: l = {2, 2, 1} l / Sum[l] -- Per Erik Rnne