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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
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