matrices and arrays loose dimension after multiplying with scalar (PR#1979)
maechler@stat.math.ethz.ch
maechler@stat.math.ethz.ch
Tue, 3 Sep 2002 18:01:25 +0200 (MET DST)
>>>>> "JensOe" == oehl list <oehl_list@gmx.de>
>>>>> on Tue, 3 Sep 2002 17:45:33 +0200 (MET DST) writes:
JensOe> A matrix or array with one of its dimensions having
JensOe> zero elements looses its dimension after multiplying
JensOe> with scalar. Admittedly this is an extreme case,
JensOe> however it DOES make sense to retain an objects
JensOe> formal structure after multiplying with a scalar, as
JensOe> e.g. a matrix with zero rows IS a legal object in
JensOe> S. BTW, the prototype does retain the dimension.
JensOe> Best
Danke, Jens!
o still happens in R-devel (aka 1.6.0 "unstable") of today.
o yes, it's a bug though not a high-priority one {and we are
approaching deep feature freeze real soon now...}
Martin
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