1 Oct
2011
1 Oct
'11
4:21 p.m.
Thanks everybody for the different solutions proposed, I really appreciate. What about this solution? So simple that I didn't think to it... import numpy as np from numpy import * def f(arr): return arr*2 a = array( [1,1,1] ) b = array( [2,2,2] ) c = array( [3,3,3] ) d = array( [4,4,4] ) for x in (a,b,c,d): x[:] = x[:]*2 #instead of: x = x*2 print a print b print c print d --