25 Dec
2003
25 Dec
'03
6:01 a.m.
The conversion for a list of large arrays into a matrix is very slow in numarray while reasonably fast:
from numarray import * a = [arange(200000), arange(200000), arange(200000), arange(200000)] aa = array(a) # Very slow
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from Numeric import * a = [arange(200000), arange(200000), arange(200000), arange(200000)] aa = array(a) # Fast
Python version: 2.3.3 numarray version: Official 0.8 Tested under WinXP and RH9 linux. Any workaround? Nadav