On Fri, May 30, 2008 at 12:57 AM, Robin <robince@gmail.com> wrote: > You are indexing here with a 1d list [0,1]. Since you don't provide a > column index you get rows 0 and 1. > If you do a[ [0,1] , [0,1] ] then you get element [0,0] and element [0,1]. Whoops - you get [0,0] and [1,1]. Robin