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

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revision 530, Mon Feb 7 10:58:27 2005 UTC revision 540, Thu Feb 10 14:32:59 2005 UTC
# Line 7  Line 7 
7    ?Math.data.frame  and the examples in    ?Math.data.frame  and the examples in
8    ?SetGeneric    ?SetGeneric
9    
10    - methods for rbind and cbind where they make sense
11    
12  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?
13                 (if so or in any case: add to  man/bCrosstab.Rd )                 (if so or in any case: add to  man/bCrosstab.Rd )
14    
15  - src/Metis/ : one of the two Makefiles needs fixing, as changing  - consider moving alloc3Darray from ./src/Mutils.c to
16               src/Metis/*.c  does not lead to recompilation.    $(RSRC)/src/base/array.c
   --DB - it seems both Makefiles need fixing.  I think I have the  
              src/Metis/Makefile fixed but not src/Makefile  
   
 - man/Matrix.Rd :  has example with dimnames, but we just drop them!  
                 MM thinks dimnames should be supported (but then ...)  
17    
18  - data/ : names 'mm' and even more 'y' are  ``too short''.  - data/ : names 'mm' and even more 'y' are  ``too short''.
19          If we really want to keep them, don't use "LazyData"          If we really want to keep them, don't use "LazyData"
# Line 42  Line 39 
39    
40    {Of course, we don't need a workaround but must understand    {Of course, we don't need a workaround but must understand
41     and solve the problem}     and solve the problem}
42    
43    ---
44    
45    - implement (more) methods for supporting "packed" (symmetric / triangular)
46      matrices; particularly something like pack() and unpack().
47    
48    - implement diagonal Matrix class  "ddiMatrix" etc
49      using constructor function Diagonal() or Diag().

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