[BangPypers] Multiplying very large matrices
kunal.t2 at gmail.com
Sat Jan 15 19:04:41 CET 2011
Thanks Santosh ,
This stack overflow thread indeed discusses the exact same problem i have.
Wonder how i missed it :) in my preliminary searches.
thanks again !
On Sat, Jan 15, 2011 at 11:12 PM, Santosh Rajan <santrajan at gmail.com> wrote:
> Hope this helps
> On Sat, Jan 15, 2011 at 10:11 PM, kunal ghosh <kunal.t2 at gmail.com> wrote:
> > Hi all,
> > while implementing Locality Preserving Projections ,
> > at one point i have to perform X L X.transpose()
> > these matrices are large (32256 x 32256) so i get "out of memory" error.
> > I assume, as the dataset gets larger one would come across this problem ,
> > how would
> > one go about solving this ? Is there a common trick that is used to deal
> > with such problems ?
> > Or the workstation calculating these problems needs to have HUGE amounts
> > physical memory ?
> > I am using python and numpy / scipy
> > --
> > regards
> > -------
> > Kunal Ghosh
> > Dept of Computer Sc. & Engineering.
> > Sir MVIT
> > Bangalore,India
> > permalink: member.acm.org/~kunal.t2
> > Blog:kunalghosh.wordpress.com
> > Website:www.kunalghosh.net46.net
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