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Re: sparse

From: David Bateman
Subject: Re: sparse
Date: Mon, 06 Nov 2006 20:57:03 +0100
User-agent: Thunderbird (X11/20060921)

Zeynep wrote:
> Hi all,
> I am brand new to Octave. The code below works in
> Matlab. However, I couldn't get it to work in Octave.
> I get the error message "sparse row index out of
> range".
> (I don't see right now why it would be out of range.)
> y = sparse(y);
> ycase = (sum(y,2)==1);
> y1= y((ycase==1),:);
> I have been trying to figure out if there is a 
> difference between sparse/octave and sparse/matlab but
> I haven't come up with anything so far.
> I'd appreciate if you shared your experiences or
> suggestions on this with me.
> Thanks.
> Zeynep Kalaylioglu, Ph.D.

Just trying a naive case where y = randn(3), I couldn't generate an
error with octave 2.9.x? What version of octave are you using? What is a
value of "y" that gives you problems?


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