List of lists of lists of lists...
jstroud at ucla.edu
Wed May 10 03:10:44 CEST 2006
Ángel Gutiérrez Rodríguez wrote:
> I would like to have a list of lists N times deep, and my solution is (in
> def deep(x):
> return a
> for N: mylist=deep(mylist)
> Is there a more elegant way to do it?
> The maine idea is: from a list having the numbre of steps along N
> dimensions, generate a list with an item at each possible point.
> Example 1: N=2 list=[2,3] result=[[1,2],[1,2],[1,2]]
> Example 2: N=3 list=[3,1,2] result=[[[1,2,3]],[[1,2,3]]]
Numarray does this sort of thing, but you have to familiarize yourself
with its indexing conventions:
py> import numarray
array([[[1, 1, 1],
[1, 1, 1]]])
UCLA-DOE Institute for Genomics and Proteomics
Los Angeles, CA 90095
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