help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: elements of a sparse matrix


From: Jaana Tommiska
Subject: Re: elements of a sparse matrix
Date: Mon, 27 Dec 2010 18:32:48 +0200 (EET)

Jordi Gutiérrez Hermoso kirjoitti 27.12.2010 kello 18:10:
>
> What's the density of your matrix? What was the exact call to sprand?
> I'm noticing that the density matters a lot.


> 
> Yes, but I'm curious why wouldn't it work otherwise. Can you provide a
> reproducible test case?
> 
I wrote these lines
B=sprand(20000,10000,0.01);
A=B'*B;
A(10000,10000) 
or
A(10000*10000)

I am interested if the matrix A is too big to fit in the memory?
thanks 
Jaana


....................................................................
Luukku Plus -paketilla pääset eroon tila- ja turvallisuusongelmista.
Hanki Luukku Plus ja helpotat elämääsi. http://www.mtv3.fi/luukku


reply via email to

[Prev in Thread] Current Thread [Next in Thread]