[EMAIL PROTECTED] wrote: > i used C too much and haven't used Python for a while... > > like in C, if we want an array of array of float, we use > > float a[200][500]; > > now in Python, seems like we have to do something like > > a = [ [ ] ] * 200 > > and then just use > > a[1].append(12.34) etc > > but it turns out that all 200 elements points to the same list... > and i have to use > > a = [ ] > for i in range (0, 200): > a.append([ ]) > > is there a simpler way... i wonder... >
Right, try the numpy module, and you can do: from numpy import * a = zeros((200,500), Float) documentation: http://numeric.scipy.org/numpydoc/numpy-6.html#pgfId-60291 download: http://sourceforge.net/project/showfiles.php?group_id=1369&package_id=175103 main page: http://numeric.scipy.org/ -- http://mail.python.org/mailman/listinfo/python-list
