Re: sparse

[David Bateman]

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?

D.