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Hi - this is very data (and lambda and data size) dependent - so doesn't surprise me too much.... Cheers On 2 Jun 2014, at 16:57, Paul Beach <[log in to unmask]> wrote: > Hi FSLers, > > I'm utilizing FSLnets and for some reason the nets_netmats command, in which I'm using L1-Norm regularization, is going REALLY slow (>5 min to finish) in matlab. It's been a few weeks since I last ran the scripts, but it used finish within a matter of seconds. I haven't really changed much wrt matlab or my directories of use. > > Specific command is: > netmats2=nets_netmats(ts,1,'icov',10); > > 'ts' is a directory or two back. The L1-precision file is within the same directory as the nets_netmats file. > netmats1, which just does a regular correlation matrix, is computed immediately. > > Any thoughts on how to figure out what's slowing it down? > > > Cheers > -- > Paul Beach > DO/PhD candidate - Year VI > Michigan State University > - College of Osteopathic Medicine > - Neuroscience Program > - MSU Cognitive and Geriatric Neurology Team (CoGeNT) --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve --------------------------------------------------------------------------- Stop the cultural destruction of Tibet