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[matrix] Diff of /pkg/Matrix/TODO
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Diff of /pkg/Matrix/TODO

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revision 2268, Mon Sep 22 15:17:12 2008 UTC revision 2269, Mon Sep 22 15:57:00 2008 UTC
# Line 169  Line 169 
169    connections automatically ["lsparse" become either "real" or    connections automatically ["lsparse" become either "real" or
170    "pattern", "depending if they have NAs or not].    "pattern", "depending if they have NAs or not].
171    
172  - <diagMatrix> o <ddenseMatrix> currently works via sparse, but  - <diagMatrix> o <ddenseMatrix> still works via sparse in some cases, but
173    should return <diagMatrix> in the same cases where    could return <diagMatrix> in the same cases where <diagMatrix> o <numeric> does.
   <diagMatrix> o <numeric> does.  
174    
175  - look at solve.QP.compact() in \pkg{quadprog} and how to do that using  - look at solve.QP.compact() in \pkg{quadprog} and how to do that using
176    our sparse matrices.  Maybe this needs to be re-implemented using CHOLMOD    our sparse matrices.  Maybe this needs to be re-implemented using CHOLMOD

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