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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Indexing into large sparse matrix
Date: Tue, 24 Mar 2009 22:55:18 +0000 (UTC)
Organization: FOGALE nanotech
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"Matt " <xys@whatever.com> wrote in message <gqbnv1$b9q$1@fred.mathworks.com>...

> 
> Just as a side note, the above approach works only provided that you are trying to index exclusively into nonzero elements of S. 

No, it works for all cases, including indexing to zero.

Bruno