On 24/10/2012 19:59, josef.p...@gmail.com wrote: > On Wed, Oct 24, 2012 at 1:33 PM, denis<denis-bz...@t-online.de> wrote: >> Folks, >> np.linalg.lstsq of a random-uniform A 50 x 32 with 3 columns all 0 >> returns x[:3] 0 as expected, >> but 4 columns all 0 => huge x:
> lstsq has rcond argument to do (I think) essentially the same. > might need to be increased in your example. > > Josef rcond 1e-3 works, 1e-6 does not, for these sizes; the returned singular values don't change much from 3 to 4 columns of 0s, so why the big jump ? cheers -- denis _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
