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

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revision 2153, Sat Mar 22 21:22:41 2008 UTC revision 2154, Sat Mar 22 21:23:12 2008 UTC
# Line 149  Line 149 
149    
150    This is not really acceptable and currently influences  rcond() as well.    This is not really acceptable and currently influences  rcond() as well.
151    
 - chol() and qr() generic:  currently have *two* arguments, and give the msg  
   
   >  New generic for "chol" does not agree with implicit generic from package  
   >  "base"; a new generic will be assigned with package "Matrix"  
   
   (and ditto for "qr")  
   
   It was mentioned by an R-core member that he thought it did not make  
   sense to also dispatch on 'tol' or 'pivot' ...  --> maybe change that..  
   
152  - eigen() should become generic, and get a method at least for diagonal,  - eigen() should become generic, and get a method at least for diagonal,
153    but also for symmetric -> dsyMatrix  [LAPACK dsyev() uses UPLO !],    but also for symmetric -> dsyMatrix  [LAPACK dsyev() uses UPLO !],
154    but also simply for dgeMatrix (without going via tradition matrices).    but also simply for dgeMatrix (without going via tradition matrices).
# Line 180  Line 170 
170    as_CspClass() quite a bit.  --> try to replace these by    as_CspClass() quite a bit.  --> try to replace these by
171    as(*, "CsparseMatrix"); forceSymmetric, etc.    as(*, "CsparseMatrix"); forceSymmetric, etc.
172    
173    - implement fast diag(<triangularCsparse>) via calling new
174      src/Csparse.c's diag_tC_ptr()
175    
176  - add examples (and tests!) for update(<CHMfactor>, ..) and  - add examples (and tests!) for update(<CHMfactor>, ..) and
177    Cholesky(......, Imult), also tests for hidden {hence no examples}    Cholesky(......, Imult), also tests for hidden {hence no examples}
178    ldetL2up() { R/CHMfactor.R }    ldetL2up() { R/CHMfactor.R }
179    
180    - data(CAex); determinant(CAex) -- says
181      "Ask the package authors to implement the missing feature."
182    
183    - chol(<nsCMatrix>)  gives "temporarily disabled"
184      but should give the *symbolic* factorization;
185      similarly Cholesky(.) is not enabled

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