[ale] Using giant matrix in Matlab

[Charles Shapiro]

Maybe it's a sparse matrix?

-- CHS

On Mon, Nov 23, 2009 at 4:48 PM, Rev. Johnny Healey <rev.null at gmail.com> wrote:
> Well, if each element is a boolean value, then we'll only need 1/8th of the
> storage.
>
> sent from my shoe phone
>
> On Nov 23, 2009 3:27 PM, "Ed Cashin" <ecashin at noserose.net> wrote:
>
> On Mon, Nov 23, 2009 at 10:56 AM, Rev. Johnny Healey <rev.null at gmail.com>
> wrote: > Is this a sparse ...
>
> For 22,267^8 elements, that's a great question.
>
> 60435716178376869169877709157801441 elements, even if each is
> represented by a single byte, requires 53677698888756059476 PiB
> (pebibytes, old-school petabytes) of storage.
>
> Google says the world population is 6692030277 now.  If everybody on
> Earth had 8021138080 PiB of data storage, together we could store
> that matrix.  ;)
>
> Seriously, though.  I doubt my own math.  This takes hugeness to
> another level.  Twenty two thousand plus raised to the eighth power
> seems intractably large.
>
> --
>  Ed Cashin <ecashin at noserose.net>
>  http://noserose.net/e/
>  http://www.coraid.com/
>
> _______________________________________________ Ale mailing list Ale at ale.org
> http://mail.ale.org/mai...
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
>