Den 04.03.2011 15:19, skrev Neal Becker: > This will subtract col 0 from all cols of a 2-d array: > > # subtract col 0 from all cols > def ll2llr (m): > return m - m[:,0][:,np.newaxis] > > > In general, how to subtract the (n-1)d slice at index 0 from all elements of > an > n-d array? > > (I think a 3d version is: > m - m[:,:,0][:,:,np.newaxis] > )
m - m[...,0][...,np.newaxis] Sturla _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
