On Thu, Mar 5, 2009 at 10:40 AM, Robin <robi...@gmail.com> wrote: > Hi, > > I have an indexing problem, and I know it's a bit lazy to ask the > list, sometime when people do interesting tricks come up so I hope no > one minds! > > I have a 2D array X.shape = (a,b) > > and I want to change it into new array which is shape (2,(a*b)) which > has the following form: > [ X[0,0], X[0,1] > X[1,0], X[1,1] > X[2,0], X[2,1] > .... > X[a,0], X[a,1] > X[0,1], X[0,2] > X[1,1], X[1,2] > ... > ] >
Ah, so it's a bit easier than I thought at first glance: X[ ix_( (b-1)*range(a), [0,1]) ] does the trick I think Sorry for the noise. Robin _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion