Can I ask what applications this "Hadamard product" has? Bill.
On 15 June, 17:32, William Stein <wst...@gmail.com> wrote: > On Mon, Jun 15, 2009 at 6:17 PM, John Cremona<john.crem...@gmail.com> wrote: > > > 2009/6/15 Jason Grout <jason-s...@creativetrax.com>: > > >> William Stein wrote: > >>> On Mon, Jun 15, 2009 at 5:26 PM, paramaniac<luka...@student.ethz.ch> > >>> wrote: > >>>>> Sorry, I don't understand your example. > >>>>> If > >>>>> A1 = matrix([[a1,b1],[c1,d1]]) > >>>>> A2 = matrix([[a2,b2],[c2,d2]]) > >>>>> then > >>>> A1.*A2 = matrix([[a1*a2, b1*b2],[c1*c2, d1*d2]]) > > >>> (1) we aren't going to add the .* notation A1 .* A2 to sage, since > >>> there has to be a *very* very strong > >>> demand to ever add anything new the preparser. We haven't added > > >> I think William meant "never add"... > > > No, he meant what he said! > > > John > > "When I use a word," Humpty Dumpty said, in a rather scornful tone, > "it means just what I choose it to mean—neither more nor less." --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---