Re: [Help-gsl] Maximum size of matrices

[Analabha Roy]

On 1/30/06, Brian Gough <address@hidden> wrote:
>
> Analabha Roy writes:
> >  Well. Assuming ur datatypes are "floats" then 128 bits per float
> (right?),
> > with 16000*3000 floats means abt 1 GIG of RAM
> > ....
> >   If ur using "doubles" then out of the question in standard boxen.
>
> 16000 * 3000 * sizeof(double) (i.e. 8) = 366 MB



 Whoops. Sorry heh. So 64 bits per double.
Still, nearly 1/2 gig. Hell need a work area that goes as a cube of that if
he wants to diagonalize such a matrix.


--
> Brian Gough
>
> Network Theory Ltd,
> Publishing the GSL Manual --- http://www.network-theory.co.uk/gsl/manual/
>