On 2009-09-28 15:39 , Chris wrote: > I am trying to "collapse" two dimensions of a 3-D array, using reshape: > > (Pdb) dims = np.shape(trace) > (Pdb) dims > Out[2]: (1000, 4, 3) > (Pdb) newdims = (dims[0], sum(dims[1:])) > (Pdb) newdims > Out[2]: (1000, 7) > > However, reshape seems to think I am missing something: > > (Pdb) np.reshape(trace, newdims) > *** ValueError: total size of new array must be unchanged > > Clearly the total size of the new array *is* unchanged.
I think you meant prod(dims[1:]). A 4 x 3 sub-array has 12 elements, not 7. (Whence the curse of dimensionality...) -Neil _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
