Re: Help on Function
- To: mathgroup at smc.vnet.net
- Subject: [mg3831] Re: Help on Function
- From: roth at sunny.mpimf-heidelberg.mpg.de (Arnd Roth)
- Date: Mon, 29 Apr 1996 00:30:22 -0400
- Organization: Max-Planck-Institut fuer Medizinische Forschung
- Sender: owner-wri-mathgroup at wolfram.com
In article <4lesps$e4m at dragonfly.wolfram.com> Roberto Diego <roberto at medusa.es> writes: > Could you please help me? I4m trying to write a function (not procedure > if possible) that works on a list such as {a1, a2, a3, a4, ...} and > returns a list {a2/a1, a3/a2, a4/a3, ...}. I know it should be an easy > task but I4m a newbe... Try: In[1]:= diego[list_List] := Drop[list, 1] / Drop[list, -1] In[2]:= diego[{a1, a2, a3, a4}] Out[2]= a2 a3 a4 {--, --, --} a1 a2 a3 Sincerely, Arnd Roth Abteilung Zellphysiologie Max-Planck-Insitut fuer Medizinische Forschung Postfach 10 38 20, D-69028 Heidelberg, Germany http://sunny.mpimf-heidelberg.mpg.de/people/roth/ArndRoth.html ==== [MESSAGE SEPARATOR] ====