
From:  Julius Smith 
Subject:  Re: no way for simple matrix lookup ? 
Date:  Fri, 18 Jun 2004 13:46:51 0700 
Right  what price simplicity?Of course, the parser could also evaluate arguments of diag() with some optimization.
 jos At 11:42 AM 6/18/2004, Mike Miller wrote:
On Fri, 18 Jun 2004, Julius Smith wrote:Oops  I meant diag(A(b',c)) of course  josI think the problem with that solution is that if b and c have length, say, 10,000, you have to produce a matrix A with 100,000,000 elements, then use diag() to discard 99,990,000 of them because they were not needed.Mike  Michael B. Miller, Ph.D. Assistant Professor Division of Epidemiology and Institute of Human Genetics University of Minnesota http://taxa.epi.umn.edu/~mbmiller/
_____________________________ Julius O. Smith III <address@hidden> Assoc. Prof. of Music and (by courtesy) Electrical Engineering CCRMA, Stanford University http://wwwccrma.stanford.edu/~jos/  Octave is freely available under the terms of the GNU GPL. Octave's home on the web: http://www.octave.org How to fund new projects: http://www.octave.org/funding.html Subscription information: http://www.octave.org/archive.html 
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