Hi No, the core example is inside a matrix
A==B False A.simplify_rational()==B True That is not good. Worth a ticket? Regards, Jan On 12 March 2013 18:17, Simon King <simon.k...@uni-jena.de> wrote: > Hi Jan, > > On 2013-03-12, Jan Groenewald <j...@aims.ac.za> wrote: > > sage: A=matrix([(x+1)*(x-1)]); B=matrix([x^2-1]); > > sage: A==B > > *False* > > sage: A.simplify_rational()==B > > *True* > > > > This is not popular with our students. Some other examples... > > > > sage: (x+1)*(x-1) == x^2-1 > > (x - 1)*(x + 1) == x^2 - 1 > > sage: ((x+1)*(x-1)).simplify_rational() == x^2-1 > > x^2 - 1 == x^2 - 1 > > sage: x == x > > x == x > > sage: x == 3 > > x == 3 > > sage: x=3 > > sage: x == 3 > > True > > sage: x == x > > True > > Are all your examples of this kind? Then why are you using symbolic > expressions at all? If your students would use proper polynomials > instead (P.<x> = QQ[], for example), they would get what they expect in > the examples above. > > Cheers, > Simon > > -- > 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 http://groups.google.com/group/sage-devel?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- .~. /V\ Jan Groenewald /( )\ www.aims.ac.za ^^-^^ -- 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 http://groups.google.com/group/sage-devel?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
