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

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revision 2042, Tue Aug 7 15:24:00 2007 UTC revision 2043, Sat Aug 11 03:18:26 2007 UTC
# Line 162  Line 162 
162    triangularMatrix, and probably also "dense*general*Matrix" since the    triangularMatrix, and probably also "dense*general*Matrix" since the
163    above currently goes via "matrix" and back instead of using the 'x' slot    above currently goes via "matrix" and back instead of using the 'x' slot
164    directly.    directly.
165    
166    - image(M, aspect= "iso", colorkey = FALSE)
167      really should be default; {aspect: non-back comptible for users !!}
168      current default colorkey=TRUE is on abs(M[M > 0]).
169      Note: Think about an optional smart option which keeps "0 |-> transparent"
170      but allows colors to differentiate negative and positive entries.
171      --- and be documented! Maybe move from man/dgTMatrix-class.Rd to image.Rd ?
172    
173    - examples for solve( Cholesky(.), b, system = c("A", "LDLt"....))
174      probably rather in man/CHMfactor-class.Rd than man/Cholesky.Rd

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