Just FYI, If you interested in the matrix, you can also take a look at http://wiki.apache.org/incubator/HamaProposal (Hams has accepted by IPMC)
Edward On Thu, May 22, 2008 at 4:02 PM, <[EMAIL PROTECTED]> wrote: > Improving the linear algebra package is a clear need and one of the > objectives for version 2.0. > > The link to the (short) thread may be this one: > http://markmail.org/message/esfeuzzazz6yeqyk > > I have also have another discussion ongoing outside from potential users of > [math] who would like to have fast linear algebra with support for vectors. > > I tried to get involved with Mahout developers who where seeking for some > math skills at some point, but the thread ended after my last message without > answers (http://markmail.org/message/a743yyz5ycqr2kdv). The team seems to > want to develop its own implementation and not being really interested in our > work. I gave up, but I really think this is a pity, we should be able to work > together. > > Perhaps is it time to put some ideas on what we need in our linear algebra > package to meet most users needs (SVD, sparse matrices, vectors, efficiency, > perhaps complex numbers ...) > > Luc > > ----- Mail Original ----- > De: "John Iacona" <[EMAIL PROTECTED]> > À: "Commons Developers List" <dev@commons.apache.org> > Envoyé: Jeudi 22 Mai 2008 03:56:39 GMT +01:00 Amsterdam / Berlin / Berne / > Rome / Stockholm / Vienne > Objet: Re: [math] Sparse Matrix Support > > This is the book I was referring to > http://www.ec-securehost.com/SIAM/FA02.html > > Regards, > John > > On Wed, May 21, 2008 at 5:26 PM, Rory Winston <[EMAIL PROTECTED]> > wrote: > >> Hey John >> >> Which book are you referring to? >> >> Also, take a look at the matrix classes in the Apache Mahout project - I >> believe (though dont quote me on it) that they may have some support for >> sparse matrices. >> >> Cheers >> Rory >> >> >> John Iacona wrote: >> >>> I noticed that support for sparse matrix computation was on the commons >>> math >>> wishlist. This is a project I would be interested in taking on. >>> >>> I would like to add a SparseMatrix interface which would support >>> functionality analogous to the RealMatrix interface. >>> I have worked with Tim Davis the author of the CSparse suite and would be >>> using algorithms outlined in his book to base my code on. >>> >>> On the wishlist page there was a reference to a thread using the old >>> archive >>> url format. Does anyone know how to find that thread with the new format? >>> Searches come up empty. >>> >>> Regards, >>> >>> John Iacona >>> >>> >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Best regards, Edward J. Yoon, http://blog.udanax.org
