Sorry for coming very late to the thread, but you mean something like: for i in range(len(cols):
On Oct 9, 2007 4:36 AM, Sven Schreiber <[EMAIL PROTECTED]> wrote: > Alan G Isaac schrieb: > > On Mon, 8 Oct 2007, Robin apparently wrote: > >> However in my code (I am converting from MATLAB) it is > >> important to maintain 2d arrays, and keep the difference > >> between row and column vectors. > > > > How about using matrices? > > help(numpy.mat) > > > > hth, > > Alan Isaac > > > > Robin, Alan is right, you want numpy matrices which are always 2d. Check > out numpy.matlib; if you replace > from numpy import [whatever] > by > from numpy.matlib import [whatever] > you get everything there is in numpy, and things like ones() zeros() > empty() etc. will always be 2d matrices. > > -sven > > _______________________________________________ > Numpy-discussion mailing list > [email protected] > http://projects.scipy.org/mailman/listinfo/numpy-discussion >
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