On Fri, Mar 9, 2012 at 4:52 PM, Juan Pablo Carbajal <carba...@ifi.uzh.ch> wrote: > On Fri, Mar 9, 2012 at 1:13 PM, Juan Pablo Carbajal <carba...@ifi.uzh.ch> > wrote: >> Hi, >> Is there routines in Octave to do this? >> http://en.wikipedia.org/wiki/Non-negative_matrix_factorization >> >> I got the hand on several packages that are distributed under >> "personal" licenses or no license at all. I have contacted the authors >> and waiting for answers. In case no answer comes, does anybody has an >> idea how to proceed? >> 1. http://www.cc.gatech.edu/~hpark/nmfsoftware.php >> 2. http://cogsys.imm.dtu.dk/toolbox/nmf/index.html >> (this last one includes the routine form this guy) >> 3. http://www.csie.ntu.edu.tw/~cjlin/nmf/ >> >> - The first one present this as license >> " >> The NMF:DTU Toolbox holds a collection of Non-negative Matrix >> Factorization (NMF) algorithms implemented for Matlab™. All code can >> be used freely in research and other non-profit applications. If you >> publish results obtained with the NMF:DTU Toolbox we kindly ask that >> our and other relevant sources are properly cited. >> " >> the zip file has no COPYING at all >> >> - The second one doesn't say anythign and the zip file has no COPYING file. >> - The third one has the following license >> http://www.csie.ntu.edu.tw/~cjlin/nmf/COPYRIGHT >> >> >> Thanks >> >> -- >> M. Sc. Juan Pablo Carbajal >> ----- >> PhD Student >> University of Zürich >> http://ailab.ifi.uzh.ch/carbajal/ > > Ok, one of the authors answred. Mail copied below > " > Dear Juan, > > Many thanks. Indeed my nmf code was released under free > bsd licence, which is compatable to GPL: > > http://www.csie.ntu.edu.tw/~cjlin/nmf/COPYRIGHT > > So you are welcome to have it in octave-forge > > Best, > Chih-Jen > " > > I was thinking to add mnf.m to linear-algebra. Is that OK? > > -- > M. Sc. Juan Pablo Carbajal > ----- > PhD Student > University of Zürich > http://ailab.ifi.uzh.ch/carbajal/
The other authors have answered! We got nmf_baps [1] and MTU:NMF[2] under GPLv3 :D I am still wondering if we should put it under linear-algebra or as an independent toolbox. suggestions? [1] " Date: Thu, 15 Mar 2012 09:36:27 -0400 From: Jingu Kim <jingu....@gmail.com> To: Juan Pablo Carbajal <carba...@ifi.uzh.ch> CC: Haesun Park <hp...@cc.gatech.edu> Subject: Re: Octave-Forge: Nonnegative Matrix Factorization Dear Juan Pablo Carbajal, I talked with my collaborator, and we sincerely appreciate your interests in our NMF package. We agree that, with the following conditions, you adapt our nmf_bpas package to Octave-Forge and upload under GPLv3. [...] Best regards, Jingu Kim " [2] " From: =?iso-8859-1?Q?Kasper_Winther_J=F8rgensen?= <k...@imm.dtu.dk> To: Juan Pablo Carbajal <carba...@ifi.uzh.ch> Date: Tue, 27 Mar 2012 12:59:49 +0200 Subject: RE: NMF toolbox Hi Juan Pablo, I hereby grant you permission to use the NMF:DTU Toolbox under GPLv3 license. Good luck in porting the functions to Octave :) Best, Kasper " -- M. Sc. Juan Pablo Carbajal ----- PhD Student University of Zürich http://ailab.ifi.uzh.ch/carbajal/ ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Octave-dev mailing list Octave-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/octave-dev
