Sam frizou wrote: >from scipy import * > > >N=zeros((20,25)) >print N[19:,19:].shape ># >>> (1,6) > > >M=matrix(N) >print M[19:,19:].shape ># >>> (6,1) > > Please run the following from scipy import * print repr(matrix) import scipy print scipy.__version__ import numpy print numpy.__version__ Thanks, -Travis