Path: news.mathworks.com!not-for-mail
From: "Steven_Lord" <slord@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Sparse matrix indexing speed -- shape sensitivity
Date: Mon, 29 Aug 2011 11:24:53 -0400
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"Matt J " <mattjacREMOVE@THISieee.spam> wrote in message 
news:j3bumn$9ts$1@newscl01ah.mathworks.com...
> I know you're not supposed to build sparse matrices using assignment 
> operations, but I don't think it explains the drastic  shape sensitivity 
> that I'm seeing below. Does anyone understand what's happening?

I've informed the developers responsible for sparse matrix assignment about 
this case so that they can investigate the cause for the difference in 
performance.

-- 
Steve Lord
slord@mathworks.com
To contact Technical Support use the Contact Us link on 
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