On Tue, Mar 27, 2018 at 8:40 AM Michael Orlitzky <mich...@orlitzky.com> wrote:
> On 03/27/2018 03:07 AM, Ralf Stephan wrote: > > Hello, > > I thought I'd try Sage for a casual computation. > > My favorite bug from when I was an undergrad... > > sage: B = matrix([[ -3, 2, 1 ], > ....: [ 2,-4, 4 ], > ....: [ 1, 2,-5 ]]) > sage: B.rank() > 2 > sage: (0.5*B).rank() > 3 > sage: (2 * 0.5*B).rank() > 3 > sage: (2 * 0.5*B) == B > True I don’t consider that a bug. > > -- > 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. > -- -- William Stein -- 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.
