[BangPypers] Multiplying very large matrices

[kunal ghosh]

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
> http://stackoverflow.com/questions/1053928/python-numpy-very-large-matrices
>
> 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
> of
> > 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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> >
>
>
>
> --
> http://about.me/santosh.rajan
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-- 
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