Just curious: what choice does magma (or maple or Mathematica etc) make regarding this?
On Thursday, October 27, 2016, Dima Pasechnik <dimp...@gmail.com> wrote: > AA > (but make sure docs make sense after the change) > > On Thursday, October 27, 2016 at 4:21:02 PM UTC, Travis Scrimshaw wrote: >> >> I am for BB because: >> >> 1 - the definition (as even given in the docstring) still makes full >> sense if the matrices are not the same size or if they are not square. >> There does not exist such a matrix P. >> > > this is an argument for changing the docs, yes. > > >> 2 - It puts an unnecessary burden on the average user. They have to deal >> with errors on a true/false question. You then also have to explain why >> there is the error message to your linear algebra students, provided you >> were very careful with your definition of similar matrices. >> > > Just as they have to deal with errors from multiplying matrices of > different sizes. > > >> 3 - It is a backwards incompatible change that (IMO) is not a bug and we >> cannot deprecate. >> >> > well, a wrong decision was made at some point. Do you mean to say one has > to keep suffering from it forever? :-) > > Cheers, > Dima > > Best, >> Travis >> >> -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','sage-devel%2bunsubscr...@googlegroups.com');> > . > To post to this group, send email to sage-devel@googlegroups.com > <javascript:_e(%7B%7D,'cvml','sage-devel@googlegroups.com');>. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- Sent from my massive iPhone 6 plus. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
